(e)-3-Methyl-5-Phenylpent-2-Enenitrile
Aroma Chemical Base Note CAS 53243-60-0
A fresh citrus note with a bright lemon character in the citral family. Sharp and natural, it adds a zesty lift to citrus accords.
Odor profile
| Note | Base Note |
| Descriptor 1 | Citrus |
| Descriptor 2 | Lemon |
| Descriptor 3 | Fresh |
| Impact Level | Medium |
| Tenacity2 | 212 h |
2 Source: The Good Scents Company
Identification
| CAS Number | 53243-60-0 |
| INCI Name | Trans-3-methyl-5-phenyl-2-pentenenitrile |
| Category | Aroma Chemical |
| Formula | C12H13N |
| Mol. Weight | 171.24 |
| IUPAC Name | (E)-3-methyl-5-phenylpent-2-enenitrile |
| InChIKey | QELCXXZZKSRBET-PKNBQFBNSA-N |
Synonyms
(E)-citronitrile, (E)-citrus nitrile, (E)-3-methyl-5-phenyl pent-2-ene nitrile, (2E)-3-methyl-5-phenyl-2-pentene nitrile, (E)-3-methyl-5-phenyl-2-pentene nitrile
Physical and chemical data
| Boiling Point | 308.00 °C |
| Flash Point | 141.80 °C |
| Densitye | 0.96800 |
| Vapor Pressure | 0.001000 mmHg @ 25.00 C. (est) |
| LogP | 3.345 |
| Solubility | alcohol; water, 43.83 mg/L @ 25 C (est) |
| Appearance | pale yellow clear liquid |
e Estimated from a closely related isomer of the same molecule. Actual values vary by supplier, grade and quality.
Regulatory status
IFRA maximum concentrations
| Category | Use | Limit in the finished product |
|---|---|---|
| Category 1 | Lip products, toys | 0.021 % |
| Category 2 | Deodorants, antiperspirants | 0.0062 % |
| Category 3 | Eye products | 0.12 % |
| Category 4 | Fine fragrance | 0.12 % |
| Category 5A | Body lotion | 0.029 % |
| Category 5B | Face cream | 0.029 % |
| Category 5C | Hand cream | 0.029 % |
| Category 5D | Baby creams, oils | 0.0097 % |
| Category 6 | Oral care, mouthwash | 0.065 % |
| Category 7A | Rinse-off hair products | 0.24 % |
| Category 7B | Leave-on hair products | 0.24 % |
| Category 8 | Intimate and baby wipes | 0.0097 % |
| Category 9 | Soap, shampoo, rinse-off | 0.23 % |
| Category 10A | Household care, hand contact | 0.81 % |
| Category 10B | Aerosol air fresheners | 0.81 % |
| Category 11A | Intended skin contact | 0.0097 % |
| Category 11B | Minimal skin contact | 0.0097 % |
| Category 12 | No skin contact, candles | 65 % |
| IFRA Amendment | 51 |
| Restriction Type | Restriction |
| Critical Effect | Dermal Sensitization And Systemic Toxicity |
All figures on this page are guide values collected from public reference works and supplier declarations. They differ between batches, origins and qualities. The data sheet of your own supplier is always the authoritative document for the material you actually use.