You will need to warm the benzoin. Try doing this in a double boiler type of situation. Or you can take a coffee mug, fill it with water, nuke the mug of water so the water gets hot, and then place the jar holding the benzoin in the mug making sure that the water does not go over the edge of the benzoin jar. Do this gently because you don't want to cook the benzoin. But by all means, NEVER put your fragrance material in the microwave.
All that said, you will eventually need to dilute your fragrance materials whether you are using jojoba oil, ethanol, dipropylene glycol, etc. Pure fragrance materials are much too concentrated to use full strength. Consider that most Eaux de Toilette contain only between 5% to 10% of the fragrance material. There are other concentration guidelines that you can reference by searching on Perfume in Wikipedia although the guidelines shown are merely that - guidelines