Moderate Cosmetic Ingredient NOAEL Data GHS Classified

Vinyl Acetate

Also known as: Acetic acid ethenyl ester, Acetic acid, ethylene ether, EINECS 203-545-4, Ethanoic acid, ethenyl ester, Vinyl acetate H.Q. (+12 more)

INCI: VINYL ACETATE

Vinyl Acetate (CAS 108-05-4) is a cosmetic cosmetic ingredient functioning as Film forming (monomer used in copolymer synthesis). NOAEL 98 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: permitted; GHS signal word DANGER. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.

View industrial chemical safety profile for CAS 108-05-4 →

Auto-generated CPSR Part A draft with source citations
Function
Film forming (monomer used in copolymer synthesis)
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C4H6O2
MW
86.09 g/mol
EC Number
203-545-4
PubChem CID
7904
IUPAC Name
ethenyl acetate
InChIKey
XTXRWKRVRITETP-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted – CIR assessed polymer forms as safe

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Vinyl Acetate.

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

10 study endpoints found for Vinyl Acetate. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL =98 mg/kg bw/day oral Rat chronic ToxValDB_ECHA_IUCLID
NOAEL =146 mg/kg bw/day oral Rat chronic ToxValDB_ECHA_IUCLID
NOAEL =202 mg/kg bw/day oral Mouse chronic ToxValDB_ECHA_IUCLID
NOAEL =223 mg/kg bw/day oral Rat chronic ToxValDB_ECHA_IUCLID
NOAEL =281 mg/kg bw/day oral Mouse subchronic ToxValDB_ECHA_IUCLID
NOAEL =285 mg/kg bw/day oral Mouse subchronic ToxValDB_ECHA_IUCLID
NOAEL =301 mg/kg bw/day oral Mouse chronic ToxValDB_ECHA_IUCLID
NOAEL =684 mg/kg bw/day oral Rat subchronic ToxValDB_ECHA_IUCLID
NOAEL =760 mg/kg bw/day oral Rat subchronic ToxValDB_ECHA_IUCLID
NOAEL =810 mg/kg bw/day oral Rat subchronic ToxValDB_ECHA_IUCLID

GHS Hazard Classification

Globally Harmonized System classification per ECHA C&L inventory and ILO/WHO International Chemical Safety Cards.

Signal Word
DANGER
Pictograms
FlamFlameSkullToxicCancerHealth haz
Hazard Statements
Highly flammable liquid and vapour Toxic if inhaled May be harmful if swallowed or in contact with skin Suspected of causing cancer May cause respiratory irritation Harmful to aquatic life
Short-term Exposure Effects
The substance is irritating to the respiratory tract. The substance is mildly irritating to the eyes and skin.
Long-term Exposure Effects
Repeated or prolonged contact with skin may cause dryness and cracking. This substance is possibly carcinogenic to humans.
Routes of Exposure
The substance can be absorbed into the body by inhalation, through the skin and by ingestion.

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for Vinyl Acetate across SCCS product categories, with measured dermal absorption where available.

IARC Carcinogenicity

International Agency for Research on Cancer (WHO) monograph evaluation.

IARC Group
2B
Volume
Sup 7, 63
Evaluation Year
1995

EU CLP Annex VI Harmonized Classification

Legally binding harmonized classification per Regulation (EC) No 1272/2008 (CLP) Annex VI.

Signal Word
Danger
Pictograms
FlammableHealth HazardHarmful / Irritant
Hazard Class and Category
Flam. Liq. 2; Carc. 2; Acute Tox. 4; STOT SE 3
Hazard Statements
  • H225 Highly flammable liquid and vapour
  • H351 Suspected of causing cancer
  • H332 Harmful if inhaled
  • H335 May cause respiratory irritation

Inserted via ATP: ATP05

Endocrine Disruptor Evidence (Expanded)

Cross-referenced EDC classifications, mechanism data, and dose-response evidence from EDLists, SIN List, and cosmetic-specific detail sources.

Under investigation Evidence: Limited (2021)
Health effects: Yes
Affected pathways: Thyroid, Estrogenic
Regulatory framework: REACH

Source list: II (former)

ECHA REACH Registration

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

Registration Type
Full
Tonnage Band
1,000,000 - 10,000,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Hazard classification: Restricted (Annex XVII)

EU CosIng Annex Listing

European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.

Annex II — Prohibited
Ref: 1565
(EU) 2019/831
CMR: Carcinogenic Cat. 2()

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

SA Saudi SFDA (II - Prohibited)
ASEAN Cosmetic Directive (II)
Ref: 1565
BRIN Brazil/India Cosmetics
India: Prohibited (GNRAS)
Additional Jurisdictional Restrictions (1)
Jurisdiction Status Max % Product Type
CN banned - -

PubChem Annotations

Safety and regulatory annotations from PubChem (NCBI) aggregated sources.

Safety (7)
Carcinogen Classification
3, not classifiable as to its carcinogenicity to humans. (L135)
Source: Toxin and Toxin Target Database (T3DB)
Carcinogen Classification
2B, possibly carcinogenic to humans. (L135)
Source: Toxin and Toxin Target Database (T3DB)
Carcinogen Classification
Vinyl acetate | Group 2B: Possibly carcinogenic to humans | Volume Sup 7: Overall Evaluations of Carcinogenicity: An Updating of IARC Monographs Volumes 1 to 42, 1987; 440 pages; ISBN 92-832-1411-0 (out of print) | Volume 63: (1995) Dry Cleaning, Some Chlorinated Solvents and Other Industrial Chemicals
Source: International Agency for Research on Cancer (IARC)
Evidence for Carcinogenicity
Evaluation: There is inadequate evidence in humans for the carcinogenicity of vinyl acetate. There is limited evidence in experimental animals for the carcinogenicity of vinyl acetate. Overall evaluation: Vinyl acetate is possibly carcinogenic to humans (Group 2B). In making the overall evaluation, the working group took into account the following evidence: (1) Vinyl acetate is rapidly transformed
Source: Hazardous Substances Data Bank (HSDB)
Endocrine Disruptors
Potential endocrine disrupting compound
Source: NORMAN Suspect List Exchange

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Adhesion/cohesion promoter Anti-adhesive/cohesive Binder Degradant/impurity Film former Flavouring and nutrient Lubricating agent Monomers Solvent Surface modifier
Regulatory List Membership (3)
EU Banned in Cosmetics FDA Substances Added to Food (EAFUS) EU CosIng Cosmetics Ingredient Database

Expert Verdict

Expert safety assessment and concern-level summary for Vinyl Acetate.

Regulatory Flags

endocrine_disruptor eu_banned_cosmetics fda_food_additive eu_cosing_listed

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Vinyl Acetate by CAS number or substance name.

Studies
44
Lowest NOAEL
62.5 mg/kg bw/day
Highest NOAEL
6048 mg/kg bw/day
ToxValDB_ECHA_IUCLID ECHA_REACH_reach_study_results_dossiers_23-05-2023.zip

Known Synonyms

Acetic acid ethenyl ester Acetic acid, ethylene ether EINECS 203-545-4 Ethanoic acid, ethenyl ester Vinyl acetate H.Q. Vinylacetate Zeset T Octan winylu Vinylacetaat Vinylester kyseliny octove UNII-L9MK238N77 Essigsaeurevinylester Vinylazetat ethenyl ethanoate vinyl ethanoate SN 12T GC Fuji Varnish

Chemical Function

Film former Binder Degradant/impurity

Regulatory Lists

inert_ingredient; non_food_use; Pesticides drinking_water; Europe; manufacturing; plastic_additive active_ingredient; Europe; Pesticides Australia; Food and drug - smoking-related products food_additive; Substances Added to Food (formerly EAFUS) (2/2019) banned; Europe; Personal care Europe; Food contact items; Toys and children's products Arts and crafts/Office supplies - general arts and crafts supplies - arts and crafts paint; Europe

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

ChEMBL ID
CHEMBL1470323
View full pharmaceutical profile →

Frequently Asked Questions

Is Vinyl Acetate safe in cosmetics?

Vinyl Acetate has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted. 10 toxicological study endpoint(s) are available in our database.

Is Vinyl Acetate allowed in the EU?

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

What does Vinyl Acetate do in cosmetics?

Vinyl Acetate functions as: Film forming (monomer used in copolymer synthesis). It is classified as a cosmetic ingredient in our database. CAS number: 108-05-4.

What is the NOAEL for Vinyl Acetate?

The NOAEL (No Observed Adverse Effect Level) for Vinyl Acetate is =98 mg/kg bw/day based on a chronic study via oral route in Rat. A total of 10 study endpoints are available. Source: ToxValDB_ECHA_IUCLID.

Is Vinyl Acetate classified as hazardous under GHS?

Vinyl Acetate carries a GHS signal word of "DANGER". Hazard statements: Highly flammable liquid and vapour Toxic if inhaled May be harmful if swallowed or in contact with skin Suspected of causing cancer May cause respiratory irritation Harmful to aquatic life. This classification is based on the ILO/WHO International Chemical Safety Card and ECHA C&L inventory data. Note: GHS classification applies to the pure substance — at cosmetic use concentrations, hazard thresholds may not be met.

Is Vinyl Acetate used outside cosmetics?

Vinyl Acetate also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does Vinyl Acetate have different safety status in cosmetics vs industrial chemicals?

Vinyl Acetate is classified GHS Danger (H225, H332, H335, H351, H412, H315, H319, H341) in the chemicals database but is allowed in EU cosmetics.

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