Trans-Isoeugenol
Aroma Chemical CAS 5932-68-3
A sweet spicy note with a carnation character and a soft phenolic facet. Floral and natural, it adds a clove floral lift to compositions.
Odor profile
| Descriptor 1 | Spicy |
| Descriptor 2 | Clove |
| Descriptor 3 | Floral |
Identification
| CAS Number | 5932-68-3 |
| INCI Name | Isoeugenol |
| Category | Aroma Chemical |
| Formula | C10H12O2 |
| Mol. Weight | 164.20 |
| IUPAC Name | 2-methoxy-4-[(E)-prop-1-enyl]phenol |
| InChIKey | BJIOGJUNALELMI-ONEGZZNKSA-N |
Synonyms
(E)-iso eugenol, trans-iso eugenol, iso eugenol E, iso eugenol trans-form, iso eugenol, (E)-isomer, 2-methoxy-4-((E)-propenyl)-phenol, trans-2-methoxy-4-(1-propenyl)phenol, (E)-2-methoxy-4-(prop-1-en-1-yl)phenol, (E)-2-methoxy-4-(prop-1-enyl) phenol, trans-2-methoxy-4-(prop-1-enyl) phenol, (E)-2-methoxy-4-(prop-1-enyl)phenol, 2-methoxy-4-[(1E)-1-propen-1-yl]phenol, 2-methoxy-4-[(1E)-prop-1-en-1-yl]phenol, 2-methoxy-4-[(E)-prop-1-enyl]phenol, (E)-2-methoxy-4-propenyl phenol, trans-2-methoxy-4-propenyl phenol, trans-2-methoxy-4-propenylphenol, phenol, 2-methoxy-4-(1-propenyl)-, (E)-, (E)-p-propenyl guaiacol, (E)-para-propenyl guaiacol, trans-p-propenyl guaiacol, trans-para-propenyl guaiacol, (E)-para-propenylguaiacol, trans-p-propenylguaiacol, trans-para-propenylguaiacol, (E)-p-propenylquaiacol, trans-p-propenylquaiacol
Physical and chemical data
| Boiling Point | 266.00 °C |
| Melting Point | 32.00 °C |
| Flash Point | 122.78 °C |
| Densitye | 1.08 |
| Refractive Indexe | 1.5739 |
| Vapor Pressure | 0.005000 mmHg @ 25.00 C. (est) |
| LogP | 2.451 |
| Solubility | alcohol; water, 165.9 mg/L @ 25 C (est); For experimental / research use only. |
| Appearance | colorlss to pale yellow clear viscous liquid to solid |
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 | 0.019 % |
| Category 2 | Deodorants, antiperspirants | 0.0057 % |
| Category 3 | Eye products | 0.12 % |
| Category 4 | Fine fragrance | 0.11 % |
| Category 5A | Body lotion | 0.027 % |
| Category 5B | Face cream | 0.027 % |
| Category 5C | Hand cream | 0.027 % |
| Category 5D | Baby creams, oils | 0.0090 % |
| Category 6 | Oral care, mouthwash | 0.063 % |
| Category 7A | Rinse-off hair products | 0.22 % |
| Category 7B | Leave-on hair products | 0.22 % |
| Category 8 | Intimate and baby wipes | 0.0090 % |
| Category 9 | Soap, shampoo, rinse-off | 0.21 % |
| Category 10A | Household care, hand contact | 0.21 % |
| Category 10B | Aerosol air fresheners | 0.75 % |
| Category 11A | Intended skin contact | 0.0090 % |
| Category 11B | Minimal skin contact | 0.0090 % |
| Category 12 | No skin contact, candles | Not restricted |
| IFRA Amendment | 49 |
| Restriction Type | Restriction |
| Critical Effect | Dermal Sensitization And Systemic Toxicity |
EU allergen declaration
| Substance | Share |
|---|---|
| Isoeugenol | 100 % |
Substances that must be named in the ingredient list under Annex III of Regulation (EC) 1223/2009, as amended by Regulation (EU) 2023/1545. Where a range was given, the upper bound is shown.
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.