FEMA 2778
- CAS NO.:3915-83-1
- Empirical Formula: C15H26O2
- Molecular Weight: 238.37
- MDL number: MFCD00085361
- EINECS: 223-478-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-08-15 16:24:08
What is FEMA 2778?
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.
The Uses of FEMA 2778
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
Properties of FEMA 2778
Boiling point: | 252 °C(lit.) |
Density | 0.89 g/mL at 25 °C(lit.) |
refractive index | n |
FEMA | 2778 | NERYL ISOVALERATE |
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 |
JECFA Number | 76 |
EPA Substance Registry System | Neryl isovalerate (3915-83-1) |
Safety information for FEMA 2778
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for FEMA 2778
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