Moderate Cosmetic Ingredient NOAEL Data

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

INCI: ACETYL HEXAMETHYL INDAN

CAS Number
15323-35-0
Function
Fragrance – polycyclic musk, sweet musky note
Safety Rating
MODERATE

Regulatory Status

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

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
moderate
Sensitization
low

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 oral REACH

Expert Verdict

Polycyclic musk – environmental persistence and bioaccumulation; detected in aquatic environments and human tissues; SCCS monitoring class

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Concern Level: Moderate

Regulatory Flags

fragrance-component ifra_fragrance eu_cosing_listed

Frequently Asked Questions

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

Polycyclic musk – environmental persistence and bioaccumulation; detected in aquatic environments and human tissues; SCCS monitoring class The EU classifies Tetrahydro-hexamethyl-as-indacen-3-one (Phantolide®) as "permitted". Safety rating: MODERATE. 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 Margin of Safety for Tetrahydro-hexamethyl-as-indacen-3-one (Phantolide®)?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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 oral study via oral route in rat. Source: REACH.

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