Rebaudioside A

Also known as: Kaur-16-en-18-oic acid, 13-[(O-β-D-glucopyranosyl-(1→2)-O-[β-D-glucopyranosyl-(1→3)]-β-D-glucopyranosyl)oxy]-, β-D-glucopyranosyl ester, (4α)-, Rebaudioside-A, UNII-B3FUD0528F, 4G-S, Chrysanta AR-P (+11 more)

INCI: REBAUDIOSIDE A

Rebaudioside A (CAS 58543-16-1) is a cosmetic cosmetic ingredient functioning as Skin conditioning. 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 food safety data.

View industrial chemical safety profile for CAS 58543-16-1 →

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

Chemistry & Identifiers

Formula
C44H70O23
MW
967 g/mol
EC Number
611-696-6
PubChem CID
6918840
IUPAC Name
[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl] (1R,4S,5R,9S,10R,13S)-13-[(2S,3R,4S,5R,6R)-5-hydroxy-6-(hydroxymethyl)-3,4-bis[[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy]oxan-2-yl]oxy-5,9-dimethyl-14-methylidenetetracyclo[11.2.1.01,10.04,9]hexadecane-5-carboxylate
InChIKey
HELXLJCILKEWJH-NCGAPWICSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes GRAS (Generally Recognized As Safe) as food additive; permitted in cosmetics

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Rebaudioside A.

Calculate MoS for your specific formulation with the MoS Calculator.

EPA ToxValDB — Toxicity Values

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

Endpoint Value Species Route Duration Source
LD50 >=5000 mg/kg Rat oral - ECHA IUCLID

ECHA REACH Registration

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

Registration Type
Full
Tonnage Band
10 - 100 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

PubChem Annotations

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

Regulatory (1)
JECFA Evaluation
REBAUDIOSIDE A | 2023 | 0–4 mg/kg bw | Considered for specification only. | TRS 1050-JECFA 96/37 | FAS 73 JECFA 82/181
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Flavouring and nutrient Softener and conditioner
Regulatory List Membership (1)
FDA Substances Added to Food (EAFUS)

Expert Verdict

Expert safety assessment and concern-level summary for Rebaudioside A.

Regulatory Flags

fda_food_additive

Known Synonyms

Kaur-16-en-18-oic acid, 13-[(O-β-D-glucopyranosyl-(1→2)-O-[β-D-glucopyranosyl-(1→3)]-β-D-glucopyranosyl)oxy]-, β-D-glucopyranosyl ester, (4α)- Rebaudioside-A UNII-B3FUD0528F 4G-S Chrysanta AR-P Glycoside A3, from Stevia rebaudiana Glycoside X Pure Via RA 95 Reb-A 97 Rebaudiana a Rebiana SG 95RA50 Sooolite!-Pure Stevioside a3 Sweetener 4G-S

Chemical Function

Softener and conditioner Flavouring and nutrient

Regulatory Lists

food_additive; Substances Added to Food (formerly EAFUS) (2/2019) Canada; pharmaceutical

Cross-Vertical Safety Context

Same-CAS public records found in food safety data.

SOURCE EFSA / FDA GRAS food_additives

Food Safety Data

Same-CAS food additive or FDA GRAS records from the core public database.

Food Name
Rebaudioside A (Reb A)
E Number
E960a
ADI
4 mg/kg bw
Food Category
sweetener
View full food safety profile →

Frequently Asked Questions

Is Rebaudioside A safe in cosmetics?

Rebaudioside A has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is Rebaudioside A allowed in the EU?

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

What does Rebaudioside A do in cosmetics?

Rebaudioside A functions as: Skin conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 58543-16-1.

Is Rebaudioside A used outside cosmetics?

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

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