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  • beauty
  • cleaning
  • industrial

C7-8 isoalkane

CAS 64741-66-8

Also registered as 2 other CAS numbers

70024-92-9 · 90622-56-3

Concern score

Not assessed — no hazard data yet.

C7-8 isoalkane in plain language

What it is

On cosmetic ingredient lists it appears as “C7-8 isoalkane (formerly C7-8 isoparaffin)”.

Also known as C7-8 isoalkane (formerly C7-8 isoparaffin) · C7-8 isoparaffin · C8-9 isoalkane · C8-9 isoalkane (formerly C8-9 isoparaffin) · Naphtha, petroleum, light alkylate · c7-8 synthetic isoparaffin

Show all 9 names

c8-9 synthetic isoparaffin · hydrocarbons, c7-c9, isoalkanes · isoparaffinic hydrocarbon

What it does

Used in cosmetics as a solvent and a thickener. C7-8 Isoalkane (Formerly C7-8 Isoparaffin) is a mixture of branched chain aliphatic hydrocarbons with 7 to 8 carbons in the alkyl chain.

  • Solvent
  • Viscosity controlling
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

No restrictions found. C7-8 isoalkane appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Industrial
  • EUCosIngActive5 entries
    • C7-8 Isoalkane (Formerly C7-8 Isoparaffin) is a mixture of branched chain aliphatic hydrocarbons with 7 to 8 carbons in the alkyl chain.Source →
    • C7-8 Isoalkane is a mixture of branched chain aliphatic hydrocarbons with 7 to 8 carbons in the alkyl chain.Source →
    • Alkanes, C7-8-isoSource →
    • C8-9 Isoalkane (Formerly C8-9 Isoparaffin) is a mixture of branched chain aliphatic hydrocarbons with 8 or 9 carbons in the alkyl chain.Source →
    • C8-9 Isoalkane is a mixture of branched chain aliphatic hydrocarbons with 8 or 9 carbons in the alkyl chain.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 26 composition records across product categories including Raw materials, Vehicle, Personal care. EPA CPDat classifies this chemical for functional uses including Solvent, Solubility enhancer.
    • EPA CPDat observed this chemical in 26 composition records across product categories including Raw materials, Vehicle, Personal care. EPA CPDat classifies this chemical for functional uses including Solvent, Solubility enhancer.Source →

Expert safety opinions

No expert opinion on file for C7-8 isoalkane. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for C7-8 isoalkane yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

2 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EPA Chemical and Products Database

    exposure · updated november 6, 2019

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed C7-8 isoalkane in a product composition. These are source records, not Greenveil catalog products.

Source records

26

Named organisations

5

Raw materialsVehiclePersonal careIndustrial productsLaboratory suppliesCleaning products and household care

Typical roles

SolventViscosity controlling
See products using C7-8 isoalkane →

Catalog

Found in these products

Their ingredient lists include C7-8 isoalkane; each product's own rating depends on its whole formula, so it is shown on the product page, not here.