Anisic Aldehyde
Aroma Chemical Base Note CAS 123-11-5
Sweet, powdery floral with an anisic, hawthorn character and a soft mimosa, almond facet. It builds lilac, mimosa and heliotrope accords with a gentle sweetness.
Odor profile
| Note | Base Note |
| Descriptor 1 | Powdery |
| Descriptor 2 | Almond |
| Descriptor 3 | Anisic |
| Odor Impact1 | 130 |
| Impact Level | Medium |
| Tenacity1 | 28 h |
| Tenacity2 | 44 h |
1 Source: PerfumersWorld
2 Source: The Good Scents Company
Both tenacity figures are blotter life. The two labs use different evaluation protocols, so the numbers are not directly comparable — read them as two independent readings, not as a contradiction.
Identification
| CAS Number | 123-11-5 |
| INCI Name | Anisaldehyde |
| Category | Aroma Chemical |
| Formula | C8H8O2 |
| Mol. Weight | 136.15 |
| IUPAC Name | 4-methoxybenzaldehyde |
| InChIKey | ZRSNZINYAWTAHE-UHFFFAOYSA-N |
Synonyms
P-methoxybenzaldehyde, Anisaldehyde, P, P-anisaldehyde, methoxybenzaldehyde, Para, Para-methoxybenzaldehyde, Aubepine, Anisic Aldehyde para Methoxy benzaldehyde, para Hydroxybenzaldehyde methyl ether, Aubepine liquid, para Anisaldehyde, Anisal, 4-anisaldehyde, anisaldehyde (4-methoxybenzaldehyde), anisaldehyde natural, p-anisaldehyde natural, anisaldehyde PQ, anisaldehyde, technical, anise aldehyde, p-anisic aldehyde, para-anisic aldehyde, anisic aldehyde (natural), p-anisic aldehyde cosemetic grade, anisic aldehyde FCC, p-anisic aldehyde fcc, p-anisic aldehyde fcc no additives or stabilizers, anisic aldehyde FCC with 0.04% BHT added, anisic aldehyde FCC without BHT, anisic aldehyde natural, anisic aldehyde pure, anisic aldehyde, natural, anisyl aldehyde, anisyl aldehyde natural, benzaldehyde, 4-methoxy-, crategine, p-formyl anisole, para-formyl anisole, p-formylanisole, formylanisole, p-
Physical and chemical data
| Boiling Point | 255.0 °C |
| Melting Point | 0.0 °C |
| Flash Point | 116.0 °C |
| Density | 1.1191 |
| Refractive Index | 1.573 |
| Vapor Pressure | 0.03 [mmHg] |
| LogP | 1.8 |
| Solubility | In water, 4.29X10+3 mg/L at 25 °C |
| Appearance | Liquid; Dry Powder; Liquid; CBI |
Regulatory status
IFRA maximum concentrations
| Category | Use | Limit in the finished product |
|---|---|---|
| Category 1 | Lip products, toys | 0.23 % |
| Category 2 | Deodorants, antiperspirants | 0.080 % |
| Category 3 | Eye products | 0.14 % |
| Category 4 | Fine fragrance | 1.4 % |
| Category 5A | Body lotion | 0.38 % |
| Category 5B | Face cream | 0.093 % |
| Category 5C | Hand cream | 0.14 % |
| Category 5D | Baby creams, oils | 0.031 % |
| Category 6 | Oral care, mouthwash | 0.047 % |
| Category 7A | Rinse-off hair products | 0.14 % |
| Category 7B | Leave-on hair products | 0.14 % |
| Category 8 | Intimate and baby wipes | 0.031 % |
| Category 9 | Soap, shampoo, rinse-off | 0.42 % |
| Category 10A | Household care, hand contact | 0.19 % |
| Category 10B | Aerosol air fresheners | 1.1 % |
| Category 11A | Intended skin contact | 0.031 % |
| Category 11B | Minimal skin contact | 0.031 % |
| Category 12 | No skin contact, candles | 31 % |
| IFRA Amendment | 51 |
| Restriction Type | Restriction |
| Critical Effect | Dermal Sensitization And Systemic Toxicity |
Restricted components
| Component | Share |
|---|---|
| P-Anisyl alcohol | 0.1 % |
IFRA regulated substances contained in this material. The interactive index derives the effective maximum concentration per category from them.
EU allergen declaration
| Substance | Share |
|---|---|
| Anise alcohol | 0.1 % |
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.