Definition
US FDA substance register · UNII BZ468R6XRD · registered name Sodium Erythorbate · single chemical substance
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Reviewed by CIR: Erythorbic Acid and Sodium Erythorbate
Reviewed by CIR: Final Report on the Safety Assessment of Ascorbyl Palmitate, Ascorbyl Dipalmitate, Ascorbyl Stearate, Erythorbic Acid, and Sodium Erythorbate
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name エリソルビン酸Na: 本品は、エリソルビン酸(*)のナトリウム塩であり、次の化学式で表される。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 6381-77-7
- EC No.EU chemical inventory number
- 228-973-9
- DTXSIDUS EPA chemical ID
- DTXSID5020570
- DTXCIDUS EPA compound ID
- DTXCID90570
- IUPAC
- Sodium (2R)-2-[(1R)-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2,5-dihydrofuran-3-olate (non-preferred name)
- Molecular formula
- C6H7NaO6
- Molecular weight
- 198.106 g/mol
Measured properties
- Appearance
- Almost odorless fluffy, white to off-white crystalline powder. Used as an antioxidant and preservative. · Dry Powder, CBI
- Melting point
- 309 to 327 °F (decomposes) (NTP, 1992)
- Solubility
- greater than or equal to 100 mg/mL at 64 °F (NTP, 1992) · Freely soluble in water, very slightly soluble in ethanol
- Density
- 1.2 (NTP, 1992) - Denser than water, will sink
- pH
- 5,5 to 8,0 (10 % aqueous solution) · pH of aqueous solutions of sodium salt between 5 & 6, 10% solution, made from commercial grade, may have pH of 7.2 to 7.9
- Colour
- white
- Odour
- odourless
- Melting/freezing point
- 168~170 ℃
- Water solubility
- 620000 ㎎/ℓ
- Relative density
- 1.2
- n-Octanol/water partition coefficient (Kow)
- -7.05 (est.)
- Decomposition temperature
- (154-164°C)
- Molecular weight
- 198.98
Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.
Source: PubChem · KOSHA safety data sheets (Korea)
What products actually use it for
What the 20 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Antioxidant3
- Reducing agent2
- Preservative2
- Corrosion inhibitor2
- pH regulating agent2
- Processing aids not otherwise specified2
- Surface modifier1
- Chemical reaction regulator1
5 other uses
- Oxidizing agent1
- Food preservative (EPA)1
- Filler1
- Dye1
- Biocide1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
1 skin studies and 0 eye studies are on record.
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 1 studies
- Not likely to be sensitizing
skin sensitisation: in vivo (LLNA) · Screening · according to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay)
Source: US EPA CompTox dashboard
Related literature
- Erythorbic Acid and Sodium Erythorbate · 2023
- Development and Quality of Ham Pâté with Added Natural Antioxidant Kiwi Fruit ( Actinidia deliciosa ) Skin · 2017
- Final Report of the Safety Assessment of L-Ascorbic Acid, Calcium Ascorbate, Magnesium Ascorbate, Magnesium Ascorbyl Phosphate, Sodium Ascorbate, and Sodium Ascorbyl Phosphate as Used in Cosmetics1 · 2005
- Final Report on the Safety Assessment of Ascorbyl Palmitate, Ascorbyl Dipalmitate, Ascorbyl Stearate, Erythorbic Acid, and sodium Erythorbate · 1999
- Antioxidants to preserve rockfish color. · 1991
Linked databases 19
- Australian Industrial Chemicals Inventory (AICIS)
- ChEMBL
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary 2
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic ingredient register 2
- PubChem
- Tlooto literature search 2 3 4 5
- UniChem cross-reference IDs
- US Cosmetic Ingredient Review (CIR) 2 3
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata
- Wikipedia · English · Japanese · Chinese