Moderate Cosmetic Ingredient NOAEL Data

Tetrahydro-hexamethyl-as-indacen-3-one (Phantolide®)

Also known as: EINECS 239-360-0, UNII-3KM1212J0Y

INCI: ACETYL HEXAMETHYL INDAN

Tetrahydro-hexamethyl-as-indacen-3-one (Phantolide®) (CAS 15323-35-0) is a cosmetic cosmetic ingredient functioning as Fragrance – polycyclic musk, sweet musky note. NOAEL 5 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: permitted. 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 15323-35-0 →

Auto-generated CPSR Part A draft with source citations
Function
Fragrance – polycyclic musk, sweet musky note
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C17H24O
MW
244.37 g/mol
EC Number
239-360-0
PubChem CID
47167
IUPAC Name
1-(1,1,2,3,3,6-hexamethyl-2H-inden-5-yl)ethanone
InChIKey
VDBHOHJWUDKDRW-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Not restricted; TSCA listed; EC 239-360-0

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Tetrahydro-hexamethyl-as-indacen-3-one (Phantolide®).

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

1 study endpoint found for Tetrahydro-hexamethyl-as-indacen-3-one (Phantolide®). NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL =5 mg/kg bw/day oral Rat short-term ToxValDB_ECHA_IUCLID

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for Tetrahydro-hexamethyl-as-indacen-3-one (Phantolide®) across SCCS product categories, with measured dermal absorption where available.

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
HMT - 0 2592 - -

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
1 - 10 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

SA Saudi SFDA (III - Restricted)
Product type: (a) Leave-on products (b) Rinse-off products. Max: (a) 2%.
BRIN Brazil/India Cosmetics
Brazil: Restricted · max a) 2%
India: Restricted · max (a) 2%

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Deodorizer Fragrance
Regulatory List Membership (2)
IFRA Fragrance Transparency List EU CosIng Cosmetics Ingredient Database

Expert Verdict

Expert safety assessment and concern-level summary for Tetrahydro-hexamethyl-as-indacen-3-one (Phantolide®).

Regulatory Flags

fragrance-component ifra_fragrance eu_cosing_listed

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Tetrahydro-hexamethyl-as-indacen-3-one (Phantolide®) by CAS number or substance name.

Studies
1
Lowest NOAEL
5 mg/kg bw/day
Highest NOAEL
5 mg/kg bw/day
ToxValDB_ECHA_IUCLID

Known Synonyms

EINECS 239-360-0 UNII-3KM1212J0Y

Chemical Function

Deodorizer Fragrance

Regulatory Lists

IFRA Transparency Europe; Personal care; restricted

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Tetrahydro-hexamethyl-as-indacen-3-one (Phantolide®) safe in cosmetics?

Tetrahydro-hexamethyl-as-indacen-3-one (Phantolide®) has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted. 1 toxicological study endpoint(s) are available in our database.

Is Tetrahydro-hexamethyl-as-indacen-3-one (Phantolide®) allowed in the EU?

Tetrahydro-hexamethyl-as-indacen-3-one (Phantolide®) EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Tetrahydro-hexamethyl-as-indacen-3-one (Phantolide®) do in cosmetics?

Tetrahydro-hexamethyl-as-indacen-3-one (Phantolide®) functions as: Fragrance – polycyclic musk, sweet musky note. It is classified as a cosmetic ingredient in our database. CAS number: 15323-35-0.

What is the NOAEL for Tetrahydro-hexamethyl-as-indacen-3-one (Phantolide®)?

The NOAEL (No Observed Adverse Effect Level) for Tetrahydro-hexamethyl-as-indacen-3-one (Phantolide®) is =5 mg/kg bw/day based on a short-term study via oral route in Rat. Source: ToxValDB_ECHA_IUCLID.

Is Tetrahydro-hexamethyl-as-indacen-3-one (Phantolide®) used outside cosmetics?

Tetrahydro-hexamethyl-as-indacen-3-one (Phantolide®) also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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