Ingredient

HEXAHYDRO-4,6,6,9,9-PENTAMETHYL-NAPHTHOPYRAN

✓ EU Allowed

Identification

CAS Number 1922-67-4
EINECS / EC 217-652-9
CosIng Ref 40164
Chemical Name 4,6,6,9,9-pentamethyl-3,4,7,8-tetrahydro-1H-benzo[g]isochromene
IUPAC Name
Formula C18H26O
Mol. Weight 258.4 g/mol
SMILES CC1COCC2=CC3=C(C=C12)C(CCC3(C)C)(C)C
InChIKey HIEQGQHLWHRFOV-UHFFFAOYSA-N

Function & Classification

Primary Function PERFUMING

EU Regulatory Status

🇪🇺
✓ Allowed — EU Reg. 1223/2009

Safety Profile

No toxicology data available yet for this ingredient.

Check SCCS opinions or CIR reports for published safety assessments.

NOAEL · Dermal Absorption % · Sensitization

Formulation Guidelines

Usage level, pH range, solubility and addition phase not yet available.

Usage Level % · Addition Phase · Solubility

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Documents

External Resources