Search:

Type: Posts; User: Bill Roberts; Keyword(s):

Page 1 of 5 1 2 3 4
Switch to Threadloom Search Results

Search: Search took 0.06 seconds.

  1. Replies
    2
    Views
    315

    Re: Stabilised hydroxycitronellal

    I have observed zero issues with my Laurinal, which is hydroxycitronellal (a single isomer of it or mostly so.) That is both with storage in sealed bottles in the dark at room temperature for at...
  2. Re: A message from Arcadi Boix Camps and new book

    Wow! You got a great buy!!!

    :thumbsup:

    I wlll indeed check Amazon. Thank you, Najengi!

    EDIT: Right now the best price is $98.92.
  3. Re: How good is the Iso E Super® (IFF) from Perfumer's Apprentice ?

    Most commonly alcohol fragrances have only about 20% or less aromamaterials, of which IES and essential oils are examples, and the rest is alcohol. So far as the end product is concerned, it doesn't...
  4. Replies
    3
    Views
    333

    Re: Linalyl Butyrate in GCMS

    When there are that many suppliers, probably quite a fair bit of product is made and used even if we see few or no demo formulas using it.

    You are right that things can occur such as...
  5. Re: How good is the Iso E Super® (IFF) from Perfumer's Apprentice ?

    Generally there is no placebo effect from any particular ingredient in practical perfumery because people buying the fragrance or smelling it on another person does not know the ingredient is in...
  6. Replies
    28
    Views
    1,866

    Re: Cedrol vs. Cedryl vs. Cedramber

    Rather as with PA, it's a "long road" to consistently have your products accurately represented, or in this case, "we're still growing and have some obstacles to overcome."

    It's ultra simple. It...
  7. Replies
    28
    Views
    1,866

    Re: Cedrol vs. Cedryl vs. Cedramber

    Well I got a reply from Pell Wall. My take on it is, while I had previously imagined Pell Wall to be to a higher standard on transparency and accuracy of documentation and care to that matter than...
  8. Replies
    23
    Views
    888

    Re: Sandelwood species

    For hobbyist use it's not that big a deal for a first purchase of a given material being exceptionally fine and the second purchase instead being described as "just didn't meet that quality standard"...
  9. Replies
    23
    Views
    888

    Re: Sandelwood species

    That is disappointing that the PSH bottles vary like that. I will be sure to be much more qualified in any recommendation of it, if even recommending now.

    That is actually the second quality issue...
  10. Replies
    23
    Views
    888

    Re: Sandelwood species

    For enjoying on its own and if having the money one might very well really enjoy some (not necessarily all) of the really expensive sandalwoods.

    Going only by that John Steele and the Ensar, I'm...
  11. Replies
    23
    Views
    888

    Re: Sandelwood species

    I don't, but probably someone does.
  12. Replies
    6
    Views
    490

    Re: Vanilla/Vanillin Replacement

    I haven't tried any of the natural vanillins as I had thought experienced members had said for this material there is no noticeable difference between synthetic and natural. I can't remember...
  13. Replies
    23
    Views
    888

    Re: Sandelwood species

    It really isn't just a matter of the species.

    One given product sold as Santalum album may be worthless garbage (I paid about $40 or $45 for the smallest size of a purported Mysore Sandalwood from...
  14. Re: Standard ifra and percentage in concentrate

    Yes, that is right with regard to the meaning of the TGSC recommendation.

    To be certain of IFRA limits, it's always best to get them directly from IFRA. Sometimes TGSC "recommendations" are not...
  15. Re: Standard ifra and percentage in concentrate

    There are no IFRA values directly limiting what is in your concentrate. All percentage values refer to the finished product only.

    TGSC mistakenly uses the word "concentrate" instead of finished...
  16. Replies
    12
    Views
    556

    Re: Should I get some indole?

    "Mothball" is impurity in synthetic indole rather than a smell of indole itself.
  17. Replies
    11
    Views
    630

    Re: Tricky Oud

    That is the magic of holding at different distances! :)

    One can also a use a bottle of a dilution where appropriate, or crack open a cap rather than remove it entirely.

    Or in rare cases one...
  18. Replies
    12
    Views
    818

    Re: Different types of Cedar

    Those species names are apparently synonyms: https://www.conifers.org/cu/Juniperus_ashei.php
  19. Replies
    11
    Views
    630

    Re: Tricky Oud

    I'm not remotely expert on Oud, being pretty new to it, but personally I would not dare trying mixes with genuine Oud without first carefully evaluating with open bottles or vials at suitable...
  20. Replies
    27
    Views
    1,071

    Re: Sample perfume formula from my materials

    I must have been unclear, what I had meant was if wanting to post weights, if not adding to 100 or 1000 they are hard to read so percentages (or parts per thousand) should be included too; but if...
  21. Replies
    6
    Views
    689

    Re: Plumeria/fragipani - smells so rosy!

    Xii, that's a very interesting idea -- maybe not a new one overall, but a new one to me -- that odor preferences of pollinating insects would powerfully drive changes over time in odors of flowers,...
  22. How to know if you're getting a genuine synthetic, as opposed to brand-"upgraded" generic

    For years and perhaps more, there's been an issue of generics which don't necessarily perform the same as name brand being sold under the premium name. How do you tell?

    Well the issue really comes...
  23. Replies
    27
    Views
    1,071

    Re: Sample perfume formula from my materials

    Presumably so, at Vanilla 85, that being the amount the total is short of the shown 1000.
  24. Replies
    27
    Views
    1,071

    Re: Sample perfume formula from my materials

    I did mean it the way I wrote it. I was not suggesting the OP make this exact mixture but illustrating a process. The mixture is also not intended to be a finished fragrance, but only part of a...
  25. Replies
    27
    Views
    1,071

    Re: Sample perfume formula from my materials

    Great question!

    Concentrate.
  26. Re: Schiff bases of cumin aldehyde such as Cumea

    I'm glad it's not severely vicious! :laugh:
  27. Replies
    27
    Views
    1,071

    Re: Sample perfume formula from my materials

    What I find (not that it matters so much except to the OP being able to understand) is where the rather peculiar weights come from.

    1 mg, for example, is an astonishingly small amount for most to...
  28. Replies
    27
    Views
    1,071

    Re: Sample perfume formula from my materials

    First to make things more manageable research your materials and preferably also test for yourself and see which are the long lasting ones (basenote materials.) It's arbitrary and different people...
  29. Replies
    45
    Views
    1,715

    Re: Best advice for beginner perfumer

    Always try to "visualize" (have internal feel of what perception is expected) before mixing, after mixing compare closely to your expectation, and think about what happened re any differences.
    ...
  30. Pell Wall site now back up, possible occasional temporary issues

    By pure luck (as it went to my Promotions folder but I happened to search for Pell Wall as I was wondering if I could have missed a reply on another matter) I saw an e-mail from Pell Wall saying the...
  31. Re: Schiff bases of cumin aldehyde such as Cumea

    Our resident Sciff base expert mentions:

    "The difference between Ethyl and Methyl anthranilate is very slight, and MA / Cuminaldehyde smells like a softened / weaker cuminaldehyde that lasts...
  32. Replies
    10
    Views
    832

    Re: Nicotine in tobacco absolute

    If it really is 0.5% and you use it at only low percentage of formula, let's see how that compares to amount absorbed from cigarettes, a different comparison than to patches.

    Apparently from a...
  33. Re: Blending techniques and alcohol evaporation

    Ehrlenmeyer flasks will provide much less evaporation of material.

    Not as a recommendation as the necessarily best deal, but for illustration:...
  34. Replies
    10
    Views
    832

    Re: Nicotine in tobacco absolute

    Do recall that Perfumer's Apprentice shows no signs of having a policy in place assuring that SDS's match up with products sold.

    In some recent cases by their own acknowledgment, a purported...
  35. Replies
    10
    Views
    832

    Re: Nicotine in tobacco absolute

    As as suggestion look at doses in nicotine patches. compare with amount supplied by a potential perfume formula, and for personal use stay well under that. Or for others to use, don't consider, would...
  36. Replies
    63
    Views
    12,457

    Re: Possible DeLaire Bases

    I believe the only ones presently carried are in the link. I obtained a sample of the Mayciane 54 Base but never ordered a larger amount (perhaps unfortunately), and it doesn't seem to be listed...
  37. Replies
    63
    Views
    12,457

    Re: Possible DeLaire Bases

    https://perfumersupplyhouse.com/?s=DeLaire
  38. Re: Why is Paradisone still not available? The patent expired 5 years ago.

    While a patent is supposed to include best mode, in other words the best embodiment of the invention, fully enabled, perhaps in some cases companies deliberately omit from their patent best mode and...
  39. Replies
    9
    Views
    533

    Re: Accords of Louis Appell

    I believe Agonhoun is seeking a retailer who offers the Appell accords pre-made.

    It would be nice if there were any doing so.

    But I believe no one sells them pre-made.
  40. Replies
    28
    Views
    1,866

    Re: Cedrol vs. Cedryl vs. Cedramber

    I have sent a question to ask, as I'd probably order it if genuine.

    If not, then that would be rather depressing as it would mean that not only in the US but in the UK (or EU) as well there is a...
  41. Replies
    9
    Views
    745

    Re: Recognizable 3-Line Floral Accords

    Rhodinol is an interesting and non-obvious subject; you might, or might not, find a search on it valuable.
  42. Replies
    28
    Views
    1,866

    Re: Cedrol vs. Cedryl vs. Cedramber

    Thank you, Christine.

    For the rest of us: It turns out although the Perfumer Supply House SDS read John D Walsh and so I presumed was generic product not IFF, while the Perfumer's Apprentice...
  43. Re: Great correspondence with Perfumer's Apprentice re an identified probem and their correction of

    I replied in I thought a respectful way as to what QA procedures would bring these problems to an end or at least vastly reduce them, as opposed to fixing on a piecemeal basis after the fact again...
  44. Good correspondence with Perfumer's Apprentice re an identified probem and their correction of it

    An issue came up in that the John D Walsh company, which as I've mentioned before considers it fine by their standards to substitute generics for name brands and sell them under the name brand name,...
  45. Replies
    9
    Views
    745

    Re: Recognizable 3-Line Floral Accords

    I cannot go try today but for jasmine in three lines I suppose I would use Bedoukian Methyl Jasmonate (Firmenich does not substitute), Indole or an indole-like material, and Benzyl Acetate Natural.
  46. Replies
    48
    Views
    2,402

    Re: Black Agar & Mousse de Saxe

    I'll take a look as I don't recall with precision but bio-accumulative for sure if used on an ongoing basis and something nasty such as carcinogenicity. Not that it's likely there is evidence perfume...
  47. Replies
    48
    Views
    2,402

    Re: Black Agar & Mousse de Saxe

    It is a nice one. It is very interesting to me that it's in the PSH Mousse de Saxe (which I love), as my half-baked "thinking" had had it that since Musk Xylene just so absolutely and definitively...
  48. Replies
    48
    Views
    2,402

    Re: Black Agar & Mousse de Saxe

    You're very welcome Mike, and thank you as well!

    Yes, the names Musk Xylol and Musk Xylene are for the same thing. Embarrassingly, I never stopped to figure which was the more accurate name though...
  49. Re: A fragrance using these aroma chemicals.

    Well, I suppose on further thought one can call "musk" a note etc, but in the context of the thread I meant perceptions of things that are not abstract and themselves AC's, but created from...
  50. Re: A fragrance using these aroma chemicals.

    Exactly. The set is capable of yielding various generic perfume-y smells, but for distinctive notes (not ingredients, perceptions) in the fragrances, more will be needed.
  51. Re: A fragrance using these aroma chemicals.

    You could make a bit of a Rose Accord or Carnation with these but that it is about it that I spot. I suppose you could make somewhat of an Oriental "note" if one can say there is such a thing (not...
  52. Re: Help in making a fragrance with two ingredients/notes!

    I am not at all trying to be unkind, but rather trying to be clear by making an analogy:

    Your question is like asking, "I want to make a nice pastry to give to people. I want to use only two...
  53. Re: A fragrance using these aroma chemicals.

    If you want a good Bergamot note, you need to buy Bergamot essential oil, or do a lot more than this. Linalool plus linalyl acetate will not do it.
  54. Re: Manufacturer Quality Assurance - IFF - Tonquitone

    Great news!

    Thank you, Chris.

    And if I may ask, and it may be somewhat of a Labor of Hercules, if you can find true Vertofix Coeur (as opposed to Vertofix Coeur Sales, fundamentally different...
  55. Re: A message from Arcadi Boix Camps and new book

    He is clearly a very knowledgeable Perfumer who has had (and I suppose still does) access to quite a lot of materials and is an interesting writer and thinker, with some not liking either the writing...
  56. Replies
    79
    Views
    4,365

    Re: What Have I Created?

    Continued generation of water is clear proof of further reaction occurring.

    Prior to your further addition of indole, had water generation definitely stopped (some degree of continued exposure to...
  57. Replies
    24
    Views
    902

    Re: Material Recommendations/Feedback

    It does not.
  58. Replies
    24
    Views
    902

    Re: Material Recommendations/Feedback

    That must be the longest list of questions of all time. I will bite off one, simply out of finding it the most interesting, and one only.

    Juniper lactone (dihydroambrettolide, hexadecanolide) is a...
  59. Re: Help and suggestion in creating a fragrance with the following notes

    It looks like I could have mis-guessed on what your Pell Wall sandalwood-type product was, as you have two products.

    Their own base would perform better in this application than the Santaliff...
  60. Re: Help and suggestion in creating a fragrance with the following notes

    Thank you, Jamie!

    The main thing that strikes about this formula is that other than the Pell Wall Sandalwood Base (which is what I guess the above is) nothing in here has a great deal of character...
  61. Replies
    23
    Views
    752

    Re: Sourcing a Sassy Satsuma

    Also, cosmetics labels from mid-sized to small companies are designed far more for consumer appeal than for technical accuracy and typically are minimally to sub-minimally compliant with regulations....
  62. Replies
    23
    Views
    752

    Re: Sourcing a Sassy Satsuma

    For any such inquiry, websearches such as the below usually work well:

    mandarin aldehyde cart
  63. Replies
    24
    Views
    1,142

    Re: Polymerised Galaxolide

    Also, generally, with respect to Galaxolide, that is an IFF product. There are various Musk G / musk gx generics as well, and at least a couple of other branded names for this AC.

    There seems a...
  64. Replies
    24
    Views
    1,142

    Re: Polymerised Galaxolide

    And one worth mentioning one's source when claiming it's well known.

    It's not really surprising that an isomer mixture is going to have a broad apparent melting point range rather than a sharp...
  65. Replies
    24
    Views
    1,142

    Re: Polymerised Galaxolide

    If asking other people to provide you information and help, it would be nice to share what further relevant research you find rather than keep to yourself. Would you be willing to share your finding...
  66. Replies
    46
    Views
    3,853

    Re: Hedione.... alternative?

    No, it's an actual question, not really answered.
  67. Replies
    46
    Views
    3,853

    Re: Hedione.... alternative?

    Why write an indignant necropost complaining about how others post as the main or even sole point? This thread must have been buried on something like page 50 or deeper.
  68. Replies
    11
    Views
    1,009

    Re: What is a Begur Base?

    As opinion, in general one should never read too much into Arcadi's spellings when they would be inexplicable as-is while a reasonable variant makes perfect sense.
  69. Re: Citrus type fragrance feedback needed on a formula

    Yes, I didn't verify each number. The ones I spot checked appeared consistent with expectation. I agree that the geraniol cell C14 does not look like it is the multiplier (B19, about 22.5) times the...
  70. Replies
    16
    Views
    1,349

    Re: Peach accord help

    You're very welcome!
  71. Re: Citrus type fragrance feedback needed on a formula

    Yes, exactly! :) :thumbsup:
  72. Re: Citrus type fragrance feedback needed on a formula

    Thank you.

    At 4.45 g total, then the Oak Moss 10% (for example) works to 2.3%, the actual Oakmoss comes to something like 0.23% (not literally that but as approximation), and the Eugenol comes to...
  73. Re: Citrus type fragrance feedback needed on a formula

    And for the OP:

    If you want to correct for dilution, then create a column which for each material calculates the amount of actual aromamaterial. E.g., if you had 0.5 g of 10% material, this column...
  74. Re: Citrus type fragrance feedback needed on a formula

    Again it's so hard to tell without percentages or parts per thousand, which out of principle as well as time I don't want to go solve as this should not be left to everyone reading, but as a guess...
  75. Re: Citrus type fragrance feedback needed on a formula

    Did you figure the percentage it is at now?

    I didn't but as an eyeball look the total might be about 4 grams, and if so 0.08 g Eugenol would work to very roughly 2 percent of concentrate which...
  76. Re: Citrus type fragrance feedback needed on a formula

    Most likely someone will provide something pre-made, but in the meantime:

    If not bothering to account for dilutions, and here you could skip that, sum up all the amounts. For example, say the...
  77. Replies
    28
    Views
    1,366

    Re: Orange Power Givco

    Well, let's hope this goes better than the Cedramber did. As a given distributor is not involved this time, indeed this one should be easy and clean enough to figure.

    CAS 37677-14-8 is...
  78. Re: Which aldehydes work best with creamy notes?

    While generally omitted, when speaking of aldehyde "character," ordinarily it is aliphatic aldehydes that make up the family having that category of character.

    We had some discussion here before...
  79. Re: A French Supplier Never Mentioned Here Before (I think)

    And thank you for letting us know your experience. I will likely place an order then in the near future!
  80. Re: A French Supplier Never Mentioned Here Before (I think)

    And thank you, you're very welcome, and I hope this proves of use!
  81. A French Supplier Never Mentioned Here Before (I think)

    I found this supplier via Scentree. No personal experience nor have I seen a mention, but seems worth checking out!

    Good suppliers are precious!
    ...
  82. Replies
    14
    Views
    956

    Re: Patchouli-Musk Performance

    Julian, you may be right, I interpreted "it" to be the fragrance but perhaps only patchouli note is being referred to here.

    If the entire fragrance, almost for sure fatigue would be the answer,...
  83. Re: Citrus type fragrance feedback needed on a formula

    I thought I had a heavy hand with Violet Leaf Absolute! :laugh:

    That's a lot of Alpha Ionone, too.

    Could you do us a favor and add up the total weight, and if it's not something round like 1...
  84. Replies
    14
    Views
    956

    Re: Patchouli-Musk Performance

    Probably your nose gets fatigued of it, or your perception "decides" to tune it out as irrelevant information, rather as if there's a problem in your house (wet towel, garbage needs taking out, you...
  85. Replies
    24
    Views
    1,142

    Re: Polymerised Galaxolide

    Homogenous (all the same) material will with time at the same temperature, other than in the melting point range, either all be in a melted state or all in the solid state, rather than remain in two...
  86. Replies
    16
    Views
    1,349

    Re: Peach accord help

    As it's very hard to remember things which seem completely arbitrary and much easier to remember things which have meaning, and also some are interested in learning bits of chemistry which are useful...
  87. Replies
    28
    Views
    1,866

    Re: Cedrol vs. Cedryl vs. Cedramber

    I would think that cedrol produced by oxidation of cedrene would be a mixture of two isomers but will see if I can support that.

    EDIT: According to Scentree, which was the first thing turned up...
  88. Replies
    28
    Views
    1,866

    Re: Cedrol vs. Cedryl vs. Cedramber

    You're very welcome, Julian! And it turned out to be a quite informative subject once looked into.
  89. Replies
    28
    Views
    1,866

    Re: Cedrol vs. Cedryl vs. Cedramber

    That is why only the word "suggests" was used.

    As noted further down, in their Compendium IFF is quite specific. It's possible that generics exists which are merely the racemates, but that...
  90. Replies
    2
    Views
    433

    Re: Ambrette seeds Abs

    They are really different products, or at least my ambrette seed was. No matter which one I was using, I would go by personal observations when formulating rather than any equivalence figure anyone...
  91. Replies
    28
    Views
    1,866

    Re: Cedrol vs. Cedryl vs. Cedramber

    Thank you so much, Christine!!

    Outstanding as always!
  92. Replies
    28
    Views
    1,866

    Re: Cedrol vs. Cedryl vs. Cedramber

    Another question would be whether product sold as IFF Cedramber has been seen to vary from one purchase to another.

    As well as from Ventos, which is reliable, Walsh sells what they say is IFF...
  93. Replies
    24
    Views
    1,142

    Re: Polymerised Galaxolide

    Previous post is deleted since it was incorrect.

    The only source I have found for claiming Galaxolide will polymerize is Perfumer's World, which, coincidentally, may be who you purchased it from....
  94. Replies
    28
    Views
    1,866

    Re: Cedrol vs. Cedryl vs. Cedramber

    Here is the Ventos specification sheet:
    https://www.ventos.com/index.php/en/?option=com_evsa&task=documentacion.mostrar&codi=001_OHNF8VB7AI_3437

    They provide both numbers and present them as CAS...
  95. Replies
    28
    Views
    1,866

    Re: Cedrol vs. Cedryl vs. Cedramber

    Well, unlike the Tonquitone situation where there are three different IFF product codes (30741159, 30R32812, and 30R31934) for three different products all with similar but slightly different product...
  96. Replies
    28
    Views
    1,866

    Re: Cedrol vs. Cedryl vs. Cedramber

    Hmm. Thank you! I don't know why that would be.

    What I have from IFF is:

    159669

    Now that is down within the SDS, and technically might mean only that it includes this. Nowhere else in the...
  97. Re: Help With Knowing Percentage of Used Materials in a Composition

    I saw it as a factual statement and entirely relevant as to cause. When we must contort our perfumes some reason, in this case because politicians have mandated such for absolutely no sensible reason...
  98. Replies
    28
    Views
    1,866

    Re: Cedrol vs. Cedryl vs. Cedramber

    Those common chemical names would ordinarily mean the same, other than possible isomer difference.

    Websearching it as I didn't know if there might be a difference between the CAS numbers, the...
  99. Replies
    32
    Views
    1,584

    Re: PCW Now Has Lots Of New Perfume Bases

    Understood!

    Thank you for clarifying!

    I really didn't think you meant me since as mentioned there's never been anything like that but I just couldn't figure where it came from, and my post was...
  100. Replies
    32
    Views
    1,584

    Re: PCW Now Has Lots Of New Perfume Bases

    [double post]
Results 1 to 100 of 500
Page 1 of 5 1 2 3 4



Loving perfume on the Internet since 2000