Silvial
Aroma Chemical Heart Note CAS 6658-48-6
A fresh floral note with a muguet lily character and a soft green aquatic facet. Powerful and natural, it replaces regulated aldehydes in lily of the valley accords.
Odor profile
| Note | Heart Note |
| Descriptor 1 | Floral |
| Descriptor 2 | Muguet |
| Descriptor 3 | Citrus |
| Impact Level | Medium |
| Tenacity2 | 336 h |
2 Source: The Good Scents Company
Identification
| CAS Number | 6658-48-6 |
| INCI Name | 3-(p-cumenyl)-2-methylpropionaldehyde |
| Category | Aroma Chemical |
| Formula | C14H20O |
| Mol. Weight | 204.31 |
| IUPAC Name | 2-methyl-3-[4-(2-methylpropyl)phenyl]propanal |
| InChIKey | YLIXVKUWWOQREC-UHFFFAOYSA-N |
Synonyms
P-isobutyl-alpha-methyl hydrocinnamaldehyde, 3-(p-Cumenyl)-2-methylpropionaldehyde, Benzenepropanal, alpha-methyl-4-(2-methylpropyl)-, 3-(4-isobutylphenyl)-2-methylpropanal, cyclamen homoaldehyde, Z3nxk8y7ex, alpha-methyl-4-(2-methylpropyl)benzenepropanal, 4-Isobutyl-alpha-methylhydrocinnamaldehyde, alpha-methyl-3-(4-isobutyl-phenyl)-propionaldehyde, benzenepropanal, a-methyl-4-(2-methylpropyl)-, para-iso butyl-alpha-methyl hydrocinnamaldehyde, 3-(4-iso butylphenyl)-2-methylpropanal, 3-(p-cumenyl)-2-methyl propionaldehyde, 3-(para-cumenyl)-2-methyl propionaldehyde, 2-methyl-3-(4-(2-methyl propyl)phenyl) propanal, 2-methyl-3-[4-(2-methylpropyl)phenyl]propanal, alpha-methyl-4-(2-methyl propyl) benzene propanal, a-methyl-4-(2-methylpropyl)benzenepropanal, a-methyl-4-(2-methylpropyl)benzenepropionaldehyde, rhodial, silvial (Givaudan), suzaral (Takasago)
Physical and chemical data
| Boiling Point | 285.00 °C |
| Flash Point | 133.89 °C |
| Vapor Pressure | 0.003000 mmHg @ 25.00 C. (est) |
| LogP | 3.8 |
| Solubility | alcohol; water, 7.299 mg/L @ 25 C (est); alcoholic fine fragrances - good |
| Appearance | Liquid |
Regulatory status
IFRA maximum concentrations
| Category | Use | Limit in the finished product |
|---|---|---|
| Category 1 | Lip products, toys | 0.080 % |
| Category 2 | Deodorants, antiperspirants | 0.053 % |
| Category 3 | Eye products | 0.80 % |
| Category 4 | Fine fragrance | 0.99 % |
| Category 5A | Body lotion | 0.25 % |
| Category 5B | Face cream | 0.25 % |
| Category 5C | Hand cream | 0.25 % |
| Category 5D | Baby creams, oils | 0.083 % |
| Category 6 | Oral care, mouthwash | 0.080 % |
| Category 7A | Rinse-off hair products | 0.72 % |
| Category 7B | Leave-on hair products | 0.72 % |
| Category 8 | Intimate and baby wipes | 0.083 % |
| Category 9 | Soap, shampoo, rinse-off | 1.9 % |
| Category 10A | Household care, hand contact | 1.9 % |
| Category 10B | Aerosol air fresheners | 5.4 % |
| Category 11A | Intended skin contact | 0.083 % |
| Category 11B | Minimal skin contact | 0.083 % |
| Category 12 | No skin contact, candles | Not restricted |
| IFRA Amendment | 49 |
| 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.