Galaxolide
Aroma Chemical Base Note CAS 1222-05-5
Clean, sweet floral musk with a soft, slightly powdery and woody character and a familiar fresh laundry feel. A powerful, diffusive fixative that adds volume and a lasting clean trail.
Odor profile
| Note | Base Note |
| Descriptor 1 | Musk-like |
| Descriptor 2 | Floral |
| Descriptor 3 | Woody |
| Odor Impact1 | 60 |
| Impact Level | Medium |
| Tenacity1 | 200 h |
| Tenacity2 | 400 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 | 1222-05-5 |
| INCI Name | 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylcyclopenta-γ-2-benzopyran |
| Category | Aroma Chemical |
| Formula | C18H26O |
| Mol. Weight | 258.4 |
| IUPAC Name | 4,6,6,7,8,8-hexamethyl-1,3,4,7-tetrahydrocyclopenta[g]isochromene |
| InChIKey | ONKNPOPIGWHAQC-UHFFFAOYSA-N |
Synonyms
8-Hexahydro-4, 8-hexamethylcyclopenta-gamma-2-benzopyran, Musk Concentrate, Pearlide, Abbalide, Hexahydro-4,6,6,7,8,8-hexamethyl cyclopenta- -2-benzopyran, Hexahydro-3,6,8,8-tetramethyl-1H-3a,7-methanoazulen-5(4H)-one, 9-Oxo-cedrane, Shangralide (base), 8-hexamethyl cyclopenta gamma-2-benzopyran, astrolide, cyclopenta[g]-2-benzopyran, 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethyl-, galaxolide 100% (IFF), hexahydro-4,6,6,7,8,8-hexamethyl cyclopenta-#-2-benzopyran, 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethyl cyclopenta-gamma-2-benzopryan, 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethyl cyclopenta(g)-2-benzopyran, 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethyl-cyclopenta-g-2-benzopyran, 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylcyclopenta(g)-2-benzopyran, 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylindeno(5,6-c)pyran, 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylindeno[5,6-c]pyran, hexahydrohexamethyl cyclopentabenzopyran, 4,6,6,7,8,8-hexamethyl-1,3,4,6,7,8-hexahydrocyclopenta[g]isochromene, indeno[5,6-c]pyran, 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethyl-, musk gx 100%
Physical and chemical data
| Boiling Point | 326.3 °C |
| Melting Point | 57.5 °C |
| Density | 1.017 |
| Refractive Index | 1.5342 |
| Vapor Pressure | 0.00054 [mmHg] |
| LogP | 4.8 |
| Solubility | In water, 1.75 mg/L at 25 °C |
| Appearance | Liquid; CBI; Other Solid |
Regulatory status
IFRA maximum concentrations
| Category | Use | Limit in the finished product |
|---|---|---|
| Category 1 | Lip products, toys | 0.23 % |
| Category 2 | Deodorants, antiperspirants | 0.87 % |
| Category 3 | Eye products | 1.6 % |
| Category 4 | Fine fragrance | 16 % |
| Category 5A | Body lotion | 4.1 % |
| Category 5B | Face cream | 1.6 % |
| Category 5C | Hand cream | 2.6 % |
| Category 5D | Baby creams, oils | 0.55 % |
| Category 6 | Oral care, mouthwash | 2.8 % |
| Category 7A | Rinse-off hair products | 1.9 % |
| Category 7B | Leave-on hair products | 1.9 % |
| Category 8 | Intimate and baby wipes | 0.55 % |
| Category 9 | Soap, shampoo, rinse-off | 11 % |
| Category 10A | Household care, hand contact | 1.9 % |
| Category 10B | Aerosol air fresheners | 13 % |
| Category 11A | Intended skin contact | 0.55 % |
| Category 11B | Minimal skin contact | 0.55 % |
| Category 12 | No skin contact, candles | Not restricted |
| IFRA Amendment | 52 |
| Restriction Type | Restriction |
| Critical Effect | Dermal Sensitization And Systemic Toxicity |
EU allergen declaration
| Substance | Share |
|---|---|
| 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylcyclopenta-γ-2-benzopyran | 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.