Good Cosmetic Ingredient GHS Classified

Isodecyl Alcohol

INCI: ISODECYL ALCOHOL

CAS Number
25339-17-7
Function
Emollient, emulsion stabilizer, viscosity controlling agent
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — not restricted under 21 CFR

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
none

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.

Short-term Exposure Effects
The substance is irritating to the eyes, skin and respiratory tract. Exposure could cause depression of the central nervous system.
Long-term Exposure Effects
The substance defats the skin, which may cause dryness or cracking.
Routes of Exposure
The substance can be absorbed into the body by inhalation, through the skin and by ingestion.

Expert Verdict

RIFM assessment confirms no concern for skin sensitization based on read-across from isoamyl alcohol; oral developmental toxicity data show maternal NOAEL of 158 mg/kg bw, irrelevant at cosmetic dermal exposure levels.

⚠️
Concern Level: Low

Regulatory Flags

potential-allergen ifra_fragrance

Frequently Asked Questions

Is Isodecyl Alcohol safe in cosmetics?

RIFM assessment confirms no concern for skin sensitization based on read-across from isoamyl alcohol; oral developmental toxicity data show maternal NOAEL of 158 mg/kg bw, irrelevant at cosmetic dermal exposure levels. The EU classifies Isodecyl Alcohol as "permitted". Safety rating: GOOD.

Is Isodecyl Alcohol allowed in the EU?

Isodecyl Alcohol EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Isodecyl Alcohol do in cosmetics?

Isodecyl Alcohol functions as: Emollient, emulsion stabilizer, viscosity controlling agent. It is classified as a cosmetic ingredient in our database. CAS number: 25339-17-7.

What is the Margin of Safety for Isodecyl Alcohol?

adequate 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.

Compliance Tools

Check Isodecyl Alcohol compliance across multiple jurisdictions:

🔬
Ingredient Decoder
Paste a full ingredient list for instant analysis
 🌸
82 Allergen Checker
Check for EU declarable fragrance allergens
 🧪
Substance Compliance
Check compliance across 55 jurisdictions
 🧮
MoS Calculator
Calculate Margin of Safety using SCCS methodology
 ⚗️
Heavy Metal Limits
Compare limits across jurisdictions

Related Ingredients

Hydroxylated Lanolin
Good
Tetradecyl/Hexadecyl C18-20 Hydroxyalkyl Acid
Good
Inshore Hagfish Skin Mucus Extract
Moderate
Solanum Lycopersicum Fruit
Excellent
Platonia Insignis Seed Butter
Excellent
Browse all 30,000+ ingredients →
📱

Is Isodecyl Alcohol 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 Isodecyl Alcohol in your formulation.

Ingredient Decoder MoS Calculator