C8-9 Isoparaffin

INCI: C8-9 ISOPARAFFIN

CAS Number
246538-71-6
Function
Solvent, viscosity decreasing agent
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Adequate — Oral LD50 >34.6 g/kg in rats; inhalation LC50 >21.4 mg/L (Soltrol 100 analog)

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Behavioral CNS effects at ≥6000 ppm inhalation in mice (death at 8000 ppm) — relevant for aerosol products. Volatile (BP 100–145°C); restrict in spray formulations or ensure particle size >10 µm.

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Concern Level: Moderate

Frequently Asked Questions

Is C8-9 Isoparaffin safe in cosmetics?

Behavioral CNS effects at ≥6000 ppm inhalation in mice (death at 8000 ppm) — relevant for aerosol products. Volatile (BP 100–145°C); restrict in spray formulations or ensure particle size >10 µm. The EU classifies C8-9 Isoparaffin as "permitted". Safety rating: GOOD.

Is C8-9 Isoparaffin allowed in the EU?

C8-9 Isoparaffin EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does C8-9 Isoparaffin do in cosmetics?

C8-9 Isoparaffin functions as: Solvent, viscosity decreasing agent. It is classified as a cosmetic ingredient in our database. CAS number: 246538-71-6.

What is the Margin of Safety for C8-9 Isoparaffin?

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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