FEMA 2778
FEMA 2778 Basic information
- Product Name:
- FEMA 2778
- Synonyms:
-
- NERYL ISOVALERATE
- FEMA 2778
- 3,7-dimethyl-,isovalerate,(z)-6-octadien-1-ol
- 3,7-dimethyl-2,6-octadienylester,(z)-isovalericaci
- 3,7-dimethyl-2-cis-6-octadien-1-ylisovalerate
- 3-methyl-,3,7-dimethyl-2,6-octadienylester,(z)-butanoicaci
- isovalericacidnerylester
- nerolisovalerate
- CAS:
- 3915-83-1
- MF:
- C15H26O2
- MW:
- 238.37
- EINECS:
- 223-478-4
- Product Categories:
-
- Alphabetical Listings
- Flavors and Fragrances
- M-N
- Mol File:
- 3915-83-1.mol
FEMA 2778 Chemical Properties
- Boiling point:
- 252 °C(lit.)
- Density
- 0.89 g/mL at 25 °C(lit.)
- FEMA
- 2778 | NERYL ISOVALERATE
- refractive index
- n20/D 1.458(lit.)
- Flash point:
- >230 °F
- solubility
- Insoluble in water, soluble in alcohol and oils.
- color
- Colourless or pale straw-coloured liquid.
- Odor
- at 100.00 %. sweaty floral rose bergamot citrus fruity
- Odor Type
- floral
- JECFA Number
- 76
- LogP
- 5.51
- EPA Substance Registry System
- Neryl isovalerate (3915-83-1)
MSDS
- Language:English Provider:SigmaAldrich
FEMA 2778 Usage And Synthesis
Description
Neryl isovalerate has a strong, rich, fruity odor reminiscent of bergamot, clary sage, and petitgrain. It has a bitter taste. Below 10 ppm, the flavor is berry-like, somewhat similar to black currant and apple. May be prepared by esterification of nerol with isovaleric acid.
Chemical Properties
Neryl isovalerate has a strong, rich, fruity odor reminiscent of bergamot, clary sage and petitgrain. It has a bitter flavor. At concentrations below 10 ppm, the flavor is berry-like, somewhat similar to black currant and apple
Occurrence
Has apparently not been reported to occur in nature.
Uses
FEMA 2778 finds a little use in Rose variations, in Oriental bases, and in Oakmoss blends, where it introduces very attractive sweetness and rich-herbaceous notes. As a modifier in heavy florals it may be used sparingly, but it is not often found in a perfume laboratory.
Preparation
By esterification of nerol with isovaleric acid
Aroma threshold values
At 1.0%: sour, sweaty with floral rosy undernotes, and a bergamot citrus nuance and fruity notes of blueberry, cranberry, apple and grape.
Taste threshold values
Taste characteristics at 5 to 20 ppm: fruity, rich floral and slightly citrus-like with berry, waxy nuances of blueberry, fruity notes of apple, grape, peach and apricot