Is Trimethyl-3-phenylindan safe in cosmetics?
Trimethyl-3-phenylindan has a safety rating of "MODERATE" in our database. EU status: restricted. US status: restricted.
Moderate
Cosmetic Ingredient
Trimethyl-3-phenylindan
Also known as: 1H-Indene, 2,3-dihydro-1,1,3-trimethyl-3-phenyl-, Indan, 1,1,3-trimethyl-3-phenyl-, 2,3-Dihydro-1,1,3-trimethyl-3-phenyl-1H-indene, 1,1,3-Trimethyl-3-phenylindan, 1,1,3-Trimethyl-3-phenylindane (+7 more)
INCI: TRIMETHYL-3-PHENYLINDAN
Trimethyl-3-phenylindan (CAS 3910-35-8) is a cosmetic cosmetic ingredient functioning as Perfuming / Fragrance ingredient. EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.
View industrial chemical safety profile for CAS 3910-35-8 →
Auto-generated CPSR Part A draft with source citations
Function
Perfuming / Fragrance ingredient
Safety Rating
MODERATE
Chemistry & Identifiers
IUPAC Name
1,1,3-trimethyl-3-phenyl-2H-indene
InChIKey
ICLPNZMYHDVKKI-UHFFFAOYSA-N
Regulatory Status
EU EU Status
restricted
US US Status
restricted
US Notes
Registered (FDA UNII: T7TE1607F0); not specifically restricted under FDA cosmetic regulations
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Trimethyl-3-phenylindan.
Calculate MoS for your specific formulation with the MoS Calculator.
HRIPT Human Patch Test Studies
1 human repeat insult patch test aggregated from dermatological literature.
| Test Type | N | Sensitized | Dose µg/cm² | NESIL µg/cm² | Potency |
|---|---|---|---|---|---|
| HRIPT | 106 | 0 | 10630 | 10630 | non-sensitizer |
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Fragrance
Regulatory List Membership (1)
IFRA Fragrance Transparency List
Expert Verdict
Expert safety assessment and concern-level summary for Trimethyl-3-phenylindan.
Regulatory Flags
fragrance-component
ifra_fragrance
Known Synonyms
1H-Indene, 2,3-dihydro-1,1,3-trimethyl-3-phenyl-
Indan, 1,1,3-trimethyl-3-phenyl-
2,3-Dihydro-1,1,3-trimethyl-3-phenyl-1H-indene
1,1,3-Trimethyl-3-phenylindan
1,1,3-Trimethyl-3-phenylindane
1,2-Dihydro-1,3,3-trimethyl-1-phenylindene
1,3,3-Trimethyl-1-phenylindan
1-Phenyl-1,3,3-trimethylindan
1-Phenyl-1,3,3-trimethylindane
NSC 11311
NSC 55135
INDANE, 1,1,3-TRIMETHYL-3-PHENYL-
Chemical Function
Fragrance
Regulatory Lists
IFRA Transparency
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Trimethyl-3-phenylindan allowed in the EU?
Trimethyl-3-phenylindan EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does Trimethyl-3-phenylindan do in cosmetics?
Trimethyl-3-phenylindan functions as: Perfuming / Fragrance ingredient. It is classified as a cosmetic ingredient in our database. CAS number: 3910-35-8.
Is Trimethyl-3-phenylindan used outside cosmetics?
Trimethyl-3-phenylindan also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Trimethyl-3-phenylindan compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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