Good Cosmetic Ingredient NOAEL Data

Erythorbic Acid

Also known as: D-erythro-Hex-2-enonic acid, .gamma.-lactone, 5-18-05-00026, D-erythro-Ascorbic acid, D-ASCORBIC ACID, ISO, BRN 0084271 (+11 more)

INCI: ERYTHORBIC ACID

Erythorbic Acid (CAS 89-65-6) is a cosmetic cosmetic ingredient functioning as Antioxidant. NOAEL 650 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. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.

View industrial chemical safety profile for CAS 89-65-6 →

Auto-generated CPSR Part A draft with source citations
Function
Antioxidant
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C6H8O6
MW
176.12 g/mol
EC Number
201-928-0
PubChem CID
54675810
IUPAC Name
(2R)-2-[(1R)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one
InChIKey
CIWBSHSKHKDKBQ-DUZGATOHSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes GRAS as food preservative under 21 CFR 182.3041; CIR reaffirmed safe as used in 2022; leave-on ≤0.1%, rinse-off ≤0.7%

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Erythorbic Acid.

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

4 study endpoints found for Erythorbic Acid. 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 500 mg/kg bw/day oral rat Chronic COSMOS_DB
NOAEL 1000 mg/kg bw/day oral dog Chronic COSMOS_DB
NOAEL 2500 mg/kg bw/day oral rat Carcinogenicity COSMOS_DB
NOAEL 5000 mg/kg bw/day oral rat Subchronic COSMOS_DB

Pre-Calculated Safety Assessment

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

EPA ToxValDB — Toxicity Values

4 toxicity values from EPA ToxValDB (aggregated from CCTE, HPV, ToxRefDB, IRIS, and other regulatory dossiers).

Endpoint Value Species Route Duration Source
NOAEL =650 mg/kg-day Rat oral chronic EFSA
NOEL =2000 mg/kg-day Mouse oral acute ECOTOX
LD50 =8300 mg/kg Mouse oral - ChemIDplus
LD50 =18000 mg/kg Rat oral - ChemIDplus

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

1 property record from structured ingredient metadata.

self_tanning
{"cas_number": "89-65-6", "ingredient_class": "other", "tanning_mechanism": "other", "color_development_onset_hours": "0.0", "full_color_development_hours": "0", "color_duration_days": "0", "DHA_concentration_if_applicable_pct": "0", "erythrulose_concentration_pct": "0", "pH_dependent_color": "no", "formaldehyde_release_concern": "no", "formaldehyde_release_ppm": "0", "AGE_formation_concern": "no"…

PubChem Annotations

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

Regulatory (2)
JECFA Evaluation
D-ARABOASCORBIC ACID | 1990 | NOT SPECIFIED | TRS 806-JECFA 37/9 | FAS 28-JECFA 37/29
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
EU Food Improvement
Food additives
Source: EU Food Improvement Agents

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Antioxidant Biocide Chemical reaction regulator Dye Flavouring and nutrient Food preservative Fragrance
Regulatory List Membership (1)
FDA Substances Added to Food (EAFUS)

Expert Verdict

Expert safety assessment and concern-level summary for Erythorbic Acid.

Regulatory Flags

antioxidant synthetic hair-dye-use gras-food cir-reviewed d-stereoisomer fermentation-derived fda_food_additive jecfa_safe

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Erythorbic Acid by CAS number or substance name.

Studies
4
Lowest NOAEL
500 mg/kg bw/day
Highest NOAEL
5000 mg/kg bw/day
COSMOS_DB

Known Synonyms

D-erythro-Hex-2-enonic acid, .gamma.-lactone 5-18-05-00026 D-erythro-Ascorbic acid D-ASCORBIC ACID, ISO BRN 0084271 EINECS 201-928-0 Erythroascorbic acid, D- FEMA No. 2410 FEMA Number: 2410 Hex-2-enonic acid gamma-lactone, D-erythro- D-erythro-3-Ketohexonic acid lactone 3-Keto-D-erythro-hexonic acid gamma-lactone D-erythro-3-Oxohexonic acid lactone 3-Oxohexonic acid lactone, D-erythro- UNII-311332OII1 D-erythro-hex-2-enonic acid gamma-lactone

Chemical Function

Antioxidant Fragrance Chemical reaction regulator Biocide Flavouring and nutrient Dye Food preservative

Regulatory Lists

inert_ingredient; non_food_use; Pesticides animal_products food_additive; Substances Added to Food (formerly EAFUS) (2/2019) fracking; water

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
CHEMBL486293
View full pharmaceutical profile →

Frequently Asked Questions

Is Erythorbic Acid safe in cosmetics?

Erythorbic Acid has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted. 4 toxicological study endpoint(s) are available in our database.

Is Erythorbic Acid allowed in the EU?

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

What does Erythorbic Acid do in cosmetics?

Erythorbic Acid functions as: Antioxidant. It is classified as a cosmetic ingredient in our database. CAS number: 89-65-6.

What is the NOAEL for Erythorbic Acid?

The NOAEL (No Observed Adverse Effect Level) for Erythorbic Acid is 500 mg/kg bw/day based on a Chronic study via oral route in rat. A total of 4 study endpoints are available. Source: COSMOS_DB.

Is Erythorbic Acid used outside cosmetics?

Erythorbic Acid 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.

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