Ingredient Dictionary

ERYTHORBIC ACID

D-isoascorbic acid is an ascorbic acid.

How much products actually contain

No product states its amount yet.

Of the products containing it, 3 list it before the 1% line and 2 after it (usually 1% or less).

Products using this ingredient

5 of 5 confirmed · likeliest to carry enough first

Definition

D-isoascorbic acid is an ascorbic acid.

Source: PubChem

US FDA substance register · UNII 311332OII1 · registered name Erythorbic acid · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Slows spoilage by oxygenANTIOXIDANT

Safety & regulatory references

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

Reviewed by CIR: Final Report on the Safety Assessment of Ascorbyl Palmitate, Ascorbyl Dipalmitate, Ascorbyl Stearate, Erythorbic Acid, and Sodium Erythorbate

Source: US Cosmetic Ingredient Review (CIR)

Reviewed by CIR: Erythorbic Acid and Sodium Erythorbate

Source: US Cosmetic Ingredient Review (CIR)

More data — names, identifiers, properties, test records, literature

Official labels & definitions

JCIA labelling name エリソルビン酸: 本品は、アスコルビン酸（＊）の異性体であり、次の化学式で表される。

Source: JCIA labelling names (Japan)

Names & identifiers

ERYTHORBIC ACIDINCI에리소빅애씨드Korean label name (MFDS standard)D-erythro-Hex-2-enonic acid, .gamma.-lactoneSynonymエリソルビン酸Japanese labelling name

CAS No.chemical registry number: 89-65-6
EC No.EU chemical inventory number: 201-928-0
DTXSIDUS EPA chemical ID: DTXSID6026537
DTXCIDUS EPA compound ID: DTXCID306537

IUPAC: (5R)-5-[(1R)-1,2-Dihydroxyethyl]-3,4-dihydroxyfuran-2(5H)-one (non-preferred name)
Molecular formula: C6H8O6
Molecular weight: 176.124 g/mol

Measured properties

Appearance: Other Solid, Dry Powder · White to slightly yellow crystalline solid which darkens gradually on exposure to light
Melting point: About 164 °C to 172 °C with decomposition · Decomposes at 174 °C
Solubility: Soluble in alcohol, pyridine, moderately soluble in acetone, slightly soluble in glycerol · In water, 40 g in 100 mL water at 25 °C
Colour: white
Flash point: 169 ℃
Flammability (solid, gas): flammable
Vapour pressure: 0.000000000249 ㎜Hg (@ 25 ℃, est.)
Water solubility: 400000 ㎎/ℓ (@ 25 ℃)
Vapour density: 6.08
Relative density: 1.707 (@ 20℃)
n-Octanol/water partition coefficient (Kow): -1.88 (est.)
Decomposition temperature: 174 ℃
Molecular weight: 176.13

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 28 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.

Antioxidant5
Chemical reaction regulator4
Surfactant (surface active agent)2
Flavouring and nutrient2
Binder2
Corrosion inhibitor2
Reducing agent2
Processing aids not otherwise specified2

7 other uses

Catalyst1
Pigment1
Biocide1
pH regulating agent1
Fragrance1
Dye1
Food preservative (EPA)1

Source: US EPA CompTox dashboard