Is Isononyl Isononanoate safe in cosmetics?
Isononyl Isononanoate has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
Excellent
Emollient
Isononyl Isononanoate
INCI: ISONONYL ISONONANOATE
Isononyl Isononanoate (CAS 42131-25-9) is a cosmetic emollient functioning as emollient, skin-conditioning. 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.
View industrial chemical safety profile for CAS 42131-25-9 →
Auto-generated CPSR Part A draft with source citations
Function
emollient, skin-conditioning
Safety Rating
EXCELLENT
Chemistry & Identifiers
IUPAC Name
7-methyloctyl 7-methyloctanoate
InChIKey
LHWUVOILCRBENG-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
CIR: safe in cosmetics at present practices of use; ultra-light dry-touch emollient providing excellent spreadability without heavy feel; used in both gloss and matte liquid lipstick formulations; no 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 Isononyl Isononanoate.
Calculate MoS for your specific formulation with the MoS Calculator.
Pre-Calculated Safety Assessment
Pre-calculated NOAEL → SED → MoS audit trail for Isononyl Isononanoate across SCCS product categories, with measured dermal absorption where available.
Additional Ingredient Properties
3 property records from structured ingredient metadata.
comedogenicity_detail
{"comedogenicity_rating": "1", "irritancy_rating": "0", "skin_type_suitability": "all,oily,combination,normal,acne-prone", "acne_safe": "yes", "source": "Non-comedogenic ester"}
ecotoxicity
{"biodegradable": "partial", "biodegradation_days": "90-180", "bioaccumulative": "yes", "aquatic_toxicity_level": "low", "coral_reef_safe": "unknown", "marine_toxicity": "low toxicity", "freshwater_toxicity": "moderate persistence", "endocrine_disruptor": "no", "persistent_organic_pollutant": "no", "microplastic": "no", "nano_particle": "no", "hawaii_banned": "no", "eu_restricted_environmental": "…
uv_stability
{"uv_stable": "yes", "uv_degradation_rate": "stable", "photosensitizer": "no", "phototoxic": "no", "photoallergic": "no", "requires_uv_protection_packaging": "no", "color_change_uv": "no", "odor_change_uv": "no", "efficacy_loss_uv_pct": "0", "spf_contribution": "no", "uva_protection": "no", "uvb_protection": "no", "photostable_sunscreen": "no", "boost_spf_of_others": "no", "antioxidant_under_uv": …
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Anti-static agent
Softener and conditioner
Expert Verdict
Expert safety assessment and concern-level summary for Isononyl Isononanoate.
Regulatory Flags
cir-approved
lip-safe
emollient-ester
dry-touch
ultra-light
spreading-agent
matte-lipstick
lip-gloss
comfort-ingredient
oral-safe
metabolizable-ester
Chemical Function
Softener and conditioner
Anti-static agent
Regulatory Lists
Canada; Personal care; Substances in PCP - Canada (4/2014)
Frequently Asked Questions
Is Isononyl Isononanoate allowed in the EU?
Isononyl Isononanoate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Isononyl Isononanoate do in cosmetics?
Isononyl Isononanoate functions as: emollient, skin-conditioning. It is classified as a Emollient in our database. CAS number: 42131-25-9.
Compliance Tools
Check Isononyl Isononanoate 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 multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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