Excellent Cosmetic Ingredient GHS Classified

C10-11 Isoparaffin

Also known as: Hydrotreated heavy naphtha (petroleum), Naphtha (petroleum), hydrotreated heavy, nonarom., EINECS 265-150-3, UNII-3EZ541F5MW, 265-150-3 (+1 more)

INCI: C10-11 ISOPARAFFIN

C10-11 Isoparaffin (CAS 64742-48-9) is a cosmetic cosmetic ingredient functioning as solvent, viscosity controlling. NOAEL 300 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: permitted; GHS signal word DANGER. 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 64742-48-9 →

Auto-generated CPSR Part A draft with source citations
Function
solvent, viscosity controlling
Safety Rating
EXCELLENT

Chemistry & Identifiers

EC Number
265-150-3

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes CIR: S - IJT 31(Suppl. 3):269-295, 2012

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for C10-11 Isoparaffin.

Calculate MoS for your specific formulation with the MoS Calculator.

GHS Hazard Classification

Globally Harmonized System classification per ECHA C&L inventory and ILO/WHO International Chemical Safety Cards.

Signal Word
DANGER
Pictograms
FlamFlameCancerHealth haz
Hazard Statements
Flammable liquid and vapour May be fatal if swallowed and enters airways Toxic to aquatic life See Notes
Short-term Exposure Effects
The substance is mildly irritating to the eyes, skin and respiratory tract. The substance may cause effects on the central nervous system. Exposure to high concentrations of vapour could cause unconsciousness. If this liquid is swallowed, aspiration into the lungs may result in chemical pneumonitis. See Notes.
Long-term Exposure Effects
The substance defats the skin, which may cause dryness or cracking. See Notes.
Routes of Exposure
The substance can be absorbed into the body by inhalation of its vapour and by ingestion.

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for C10-11 Isoparaffin across SCCS product categories, with measured dermal absorption where available.

EU CLP Annex VI Harmonized Classification

Legally binding harmonized classification per Regulation (EC) No 1272/2008 (CLP) Annex VI.

Signal Word
Danger
Pictograms
Health Hazard
Hazard Class and Category
Carc. 1B; Muta. 1B; Asp. Tox. 1
Hazard Statements
  • H350 May cause cancer
  • H340 May cause genetic defects
  • H304 May be fatal if swallowed and enters airways

Inserted via ATP: ATP02

ECHA REACH Registration

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

Registration Type
Full
Tonnage Band
1,000,000 - 10,000,000 tonnes
Substance Type
SUBSTANCE; GROUP
SVHC Candidate
No
Hazard classification: Restricted (Annex XVII)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Diluent Fragrance No specific technical function Solubility enhancer Solvent Surfactant (surface active agent) Wetting agent (non-aqueous)
Regulatory List Membership (1)
IFRA Fragrance Transparency List

Expert Verdict

Expert safety assessment and concern-level summary for C10-11 Isoparaffin.

Regulatory Flags

ifra_fragrance

Known Synonyms

Hydrotreated heavy naphtha (petroleum) Naphtha (petroleum), hydrotreated heavy, nonarom. EINECS 265-150-3 UNII-3EZ541F5MW 265-150-3 EC No.: 265-150-3

Chemical Function

Solvent

Regulatory Lists

inert_ingredient; non_food_use; Pesticides Europe; Specialty occupational products Europe; Vehicle - car interior consumer_product; Europe Arts and crafts/Office supplies - general arts and crafts supplies; Europe Europe; Vehicle - car interior Europe; Vehicle - car interior Europe; Vehicle - car interior fracking; water Cleaning products and household care - shoes; Europe Cleaning products and household care - shoes; Europe IFRA Transparency Europe; Vehicle - car interior

Australian Status

AICIS status: listed

Frequently Asked Questions

Is C10-11 Isoparaffin safe in cosmetics?

C10-11 Isoparaffin has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.

Is C10-11 Isoparaffin allowed in the EU?

C10-11 Isoparaffin EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does C10-11 Isoparaffin do in cosmetics?

C10-11 Isoparaffin functions as: solvent, viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: 64742-48-9.

Is C10-11 Isoparaffin classified as hazardous under GHS?

C10-11 Isoparaffin carries a GHS signal word of "DANGER". Hazard statements: Flammable liquid and vapour May be fatal if swallowed and enters airways Toxic to aquatic life See Notes. This classification is based on the ILO/WHO International Chemical Safety Card and ECHA C&L inventory data. Note: GHS classification applies to the pure substance — at cosmetic use concentrations, hazard thresholds may not be met.

Is C10-11 Isoparaffin used outside cosmetics?

C10-11 Isoparaffin also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does C10-11 Isoparaffin have different safety status in cosmetics vs industrial chemicals?

C10-11 Isoparaffin is classified GHS Danger (H225, H226, H304, H315, H319, H336, H340, H350) in the chemicals database but is allowed in EU cosmetics.

Is C10-11 Isoparaffin in Your Products?

Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for C10-11 Isoparaffin in your formulation.