Hemisqualane (C13-15 Alkane)

Also known as: Dodecane, 2,6,10-trimethyl-, Farnesan, farnesane

INCI: C13-15 ALKANE

Hemisqualane (C13-15 Alkane) (CAS 3891-98-3) is a cosmetic cosmetic ingredient functioning as Lightweight emollient, solvent. 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 3891-98-3 →

Auto-generated CPSR Part A draft with source citations
Function
Lightweight emollient, solvent
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C15H32
MW
212.41 g/mol
EC Number
622-542-2
PubChem CID
19773
IUPAC Name
2,6,10-trimethyldodecane
InChIKey
YFHFHLSMISYUAQ-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes CIR deemed safe for use in cosmetics. No specific FDA restrictions.

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Hemisqualane (C13-15 Alkane).

Calculate MoS for your specific formulation with the MoS Calculator.

ECHA REACH Registration

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

Registration Type
Full
Tonnage Band
100 - 1,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Additional Ingredient Properties

3 property records from structured ingredient metadata.

cost_pricing
{"cost_tier": "mid-range", "estimated_cost_per_kg_usd_low": "28", "estimated_cost_per_kg_usd_high": "50", "natural_premium_markup_pct": "0", "organic_certified_premium_pct": "0", "supply_chain_volatility": "low", "primary_source_region": "Europe", "bulk_discount_threshold_kg": "100", "seasonal_price_variation": "low", "commodity_or_specialty": "specialty", "substitute_ingredients": "Silicones, Hem…
lipid
{"cas_number": "90622-58-5", "lipid_class": "ester", "botanical_source": "synthetic/derived", "plant_part": "derived", "extraction_method": "refined", "fatty_acid_profile_main_pct": "hydrocarbon", "omega_classification": "saturated", "comedogenicity_rating_0_5": "0", "absorption_rate": "fast", "skin_feel": "dry", "spreadability": "excellent", "emollient_grade": "A_excellent", "primary_application"…
silicone
{"cas_number": "Not silicone", "silicone_class": "other", "molecular_weight_Da": "190.0", "viscosity_cSt": "1.8", "volatility": "volatile", "evaporation_rate_relative_to_D5": "3.5", "refractive_index": "1.43", "specific_gravity": "0.78", "flash_point_C": "45.0", "surface_tension_mN_m": "20.5", "spreading_coefficient": "5.8", "film_forming_ability": "moderate", "skin_feel": "light", "slip_and_glide…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Softener and conditioner Solvent

Expert Verdict

Expert safety assessment and concern-level summary for Hemisqualane (C13-15 Alkane).

Known Synonyms

Dodecane, 2,6,10-trimethyl- Farnesan farnesane

Chemical Function

Solvent Softener and conditioner

Regulatory Lists

air; detected; emissions; Personal care

Frequently Asked Questions

Is Hemisqualane (C13-15 Alkane) safe in cosmetics?

Hemisqualane (C13-15 Alkane) has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is Hemisqualane (C13-15 Alkane) allowed in the EU?

Hemisqualane (C13-15 Alkane) EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Hemisqualane (C13-15 Alkane) do in cosmetics?

Hemisqualane (C13-15 Alkane) functions as: Lightweight emollient, solvent. It is classified as a cosmetic ingredient in our database. CAS number: 3891-98-3.

Is Hemisqualane (C13-15 Alkane) used outside cosmetics?

Hemisqualane (C13-15 Alkane) also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does Hemisqualane (C13-15 Alkane) have different safety status in cosmetics vs industrial chemicals?

Hemisqualane (C13-15 Alkane) is classified GHS Danger (H304, H413) in the chemicals database but is allowed in EU cosmetics.

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