Is C9-12 Isoparaffin safe in cosmetics?
C9-12 Isoparaffin has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
C9-12 Isoparaffin
Also known as: Alkanes, C9-12, iso, Isoalkanes, C9-12, Isopar G, Isopar H, Isopar K (+3 more)
INCI: C9-12 ISOPARAFFIN
C9-12 Isoparaffin (CAS 90622-57-4) is a cosmetic cosmetic ingredient functioning as Solvent; Viscosity controlling. NOAEL 100 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 90622-57-4 →
Auto-generated CPSR Part A draft with source citations
Cross-Vertical Regulatory Divergence
C9-12 Isoparaffin is classified GHS Danger (H226, H304, H411, H413) in the chemicals database but is allowed in EU cosmetics.
Source: Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code
Function
Solvent; Viscosity controlling
Safety Rating
GOOD
Chemistry & Identifiers
IUPAC Name
2-methyldecane
InChIKey
CNPVJWYWYZMPDS-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Adequate; CIR found no safety concerns at reported use concentrations
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for C9-12 Isoparaffin.
Calculate MoS for your specific formulation with the MoS Calculator.
Pre-Calculated Safety Assessment
Pre-calculated NOAEL → SED → MoS audit trail for C9-12 Isoparaffin across SCCS product categories, with measured dermal absorption where available.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Fragrance
Solubility enhancer
Solvent
Regulatory List Membership (1)
IFRA Fragrance Transparency List
Expert Verdict
Expert safety assessment and concern-level summary for C9-12 Isoparaffin.
Regulatory Flags
ifra_fragrance
Known Synonyms
Alkanes, C9-12, iso
Isoalkanes, C9-12
Isopar G
Isopar H
Isopar K
UltraClear
EINECS 292-459-0
C9-12-Isoalkanes
Chemical Function
Fragrance
Solvent
Solubility enhancer
Regulatory Lists
Europe
IFRA Transparency
consumer_product; Europe
Arts and crafts/Office supplies - general arts and crafts supplies; Europe
Europe; Vehicle - car interior
Australian Status
AICIS status: listed
Frequently Asked Questions
Is C9-12 Isoparaffin allowed in the EU?
C9-12 Isoparaffin EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does C9-12 Isoparaffin do in cosmetics?
C9-12 Isoparaffin functions as: Solvent; Viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: 90622-57-4.
Is C9-12 Isoparaffin used outside cosmetics?
C9-12 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 C9-12 Isoparaffin have different safety status in cosmetics vs industrial chemicals?
C9-12 Isoparaffin is classified GHS Danger (H226, H304, H411, H413) in the chemicals database but is allowed in EU cosmetics.
Compliance Tools
Check C9-12 Isoparaffin 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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