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Sodium Erythorbate

CAS 6381-77-7 · Formula C6H7NaO6 · MW 198.11 g/mol

An economical isoascorbate antioxidant that protects color and flavor in cured-meat and food systems. Used in food processing as an antioxidant and color-fixing (curing) agent, particularly in cured and processed meats.

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HS Code
2932.20
At a Glance
Material Family
Acids & Salts
Record Type
Pure compound
Primary Role
Preservation
Functional Roles
SODIUM ERYTHORBATE
ANTIOXIDANT
Applications & Use Cases
  • Cured meats: Color-fixing and curing accelerator
  • Food processing: Antioxidant to retard oxidation
  • Packaged foods and beverages: Antioxidant and preservative
Physical Properties
Melting Point
309 to 164 °C (decomposes)
Density
1.2
Solubility
≥ 100 mg/mL at 18 °C
pH
5,5 to 8,0 (10 % aqueous solution)
Safety & Handling
Full SDS available on request

A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.

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HS / Tariff Classification
Harmonized System (HS) Code — 6-digit international heading
2932 . 20
Chapter 29
Organic chemicals
Heading 29.32
Internationally harmonized (WCO HS)
Subheading 2932.20
6-digit international code — national tariff line adds further digits
Chemical Identity
CAS Number
6381-77-7
Molecular Formula
C6H7NaO6
Molecular Weight
198.11 g/mol
IUPAC Name
sodium (2R)-2-[(1R)-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2H-furan-3-olate
INCI Name
SODIUM ERYTHORBATE
PubChem CID
InChI Key
PPASLZSBLFJQEF-RKJRWTFHSA-M
Synonyms & Trade Names
SODIUM ERYTHORBATE Sodium isoascorbate Isona Neo-cebitate Isoascorbic acid sodium salt Mercate 20 Sodium D-isoascorbate Araboascorbic acid, monosodium salt, D- Eribate N Erythorbic Acid Sodium Salt OZOBAN Monosodium D-erythro-hex-2-enonic acid gamma-lactone INS NO.316 INS-316- D-Erythro-hex-2-enonic acid, gamma-lactone, monosodium salt E-316
Full Description

Sodium erythorbate (CAS 6381-77-7), the sodium salt of erythorbic acid (D-isoascorbic acid). Used in food processing as an antioxidant and color-fixing (curing) agent, particularly in cured and processed meats.

Frequently Asked Questions

What is sodium erythorbate used for?

Sodium erythorbate (CAS 6381-77-7), the sodium salt of erythorbic acid (D-isoascorbic acid), is used in food processing as an antioxidant and color-fixing (curing) agent — particularly in cured and processed meats — and as an antioxidant in packaged foods and beverages.

What is another name for sodium erythorbate?

Sodium erythorbate is the sodium salt of erythorbic acid, also known as D-isoascorbic acid (the stereoisomer of ascorbic acid). Its CAS number is 6381-77-7.

What is the chemical formula of sodium erythorbate?

Sodium erythorbate has the molecular formula C6H7NaO6 (CAS 6381-77-7). It is the sodium salt of erythorbic acid.

What HS code applies to sodium erythorbate?

Sodium erythorbate is classified under HS 2932.20 (lactones). Confirm the destination-country tariff line and request the CoA and SDS with your order.

How is bulk sodium erythorbate supplied?

It is supplied to meat processors and food manufacturers as crystalline or fine-granular FCC-grade material in bags or drums. Request a bulk quote with your target volume and the grade specification you require.

Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.