C9-10 Aromatic Hydrocarbons

INCI: C9-10 AROMATIC HYDROCARBONS

CAS Number
Typically 64742-95-6 (Solvent naphtha, petroleum, light aromatic)
Function
Solvent
Safety Rating
POOR

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Inadequate carcinogenicity classification (Carc. 1B) makes standard MoS calculation problematic; no safe threshold established for carcinogenic aromatics

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
high
Sensitization
moderate

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

H350 — May cause cancer (50% of ECHA notifications). H372 — Organ damage through repeated exposure. H304 — Aspiration hazard. H336 — Narcotic effects. H411 — Aquatic toxicity. This ingredient should be excluded from cosmetic formulations or replaced with non-aromatic alternatives.

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Concern Level: High

Frequently Asked Questions

Is C9-10 Aromatic Hydrocarbons safe in cosmetics?

H350 — May cause cancer (50% of ECHA notifications). H372 — Organ damage through repeated exposure. H304 — Aspiration hazard. H336 — Narcotic effects. H411 — Aquatic toxicity. This ingredient should be excluded from cosmetic formulations or replaced with non-aromatic alternatives. The EU classifies C9-10 Aromatic Hydrocarbons as "permitted". Safety rating: POOR.

Is C9-10 Aromatic Hydrocarbons allowed in the EU?

C9-10 Aromatic Hydrocarbons EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does C9-10 Aromatic Hydrocarbons do in cosmetics?

C9-10 Aromatic Hydrocarbons functions as: Solvent. It is classified as a cosmetic ingredient in our database. CAS number: Typically 64742-95-6 (Solvent naphtha, petroleum, light aromatic).

What is the Margin of Safety for C9-10 Aromatic Hydrocarbons?

not established 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.

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