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.
US NotesGRAS 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.
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.
Compliance Tools
Check Erythorbic Acid compliance across multiple jurisdictions:
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.