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Home/Compounds/Food Additive/Calcium diascorbate
C12H14CaO12
390.31 g/mol
Food Additive

CALCIUM ASCORBATE

CAS5743-27-1EC227-261-5
Category
Food Additive
Compound Class
Inorganic Salt
Primary Use
antioxidant and color fixative

Calcium ascorbate is the calcium salt of ascorbic acid, containing approximately 10% calcium by mass. It is commonly used as an antioxidant and color fixative in food products.

antioxidantcolor fixative

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

StrongSame Parent

Calcium ascorbate

CAS5743-28-2

food additive antioxidant supplement

StrongSame Parent

Sodium ascorbate

CAS134-03-2

antioxidant in foods and medication

StrongSame Parent

Zinc ascorbate

CAS134343-96-7

pharmaceutical raw material

StrongSame Parent

Potassium L-ascorbate

CAS15421-15-5

Food additive as antioxidant

ReferenceSame Category

Calcium butyrate

CAS5743-36-2

feed additive and preservative

ReferenceSame Category

Calcium levulinate dihydrate

CAS5743-49-7

calcium supplement food fortifier

ReferenceSame Category

Stevioside

CAS57817-89-7

natural non-caloric sweetener

ReferenceSame Category

Calcium citrate tetrahydrate

CAS5785-44-4

Calcium supplement and food fortifier

Customs Tariff Classification

The international HS code for CALCIUM ASCORBATE (CAS 5743-27-1) is 2936.27.

HS code (international, 6-digit)

2936.27

EU CN code (8-digit)

2936 27 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

calcium bis((2R)-2-[(1S)-1,2-dihydroxyethyl]-3-hydroxy-5-oxo-2H-furan-4-olate)

InChIKey

BLORRZQTHNGFTI-ZZMNMWMASA-L

SMILES

C([C@@H]([C@@H]1C(=C(C(=O)O1)[O-])O)O)O.C([C@@H]([C@@H]1C(=C(C(=O)O1)[O-])O)O)O.[Ca+2]

Synonyms (16)
  • E-302
  • Ascorbic acid calcium
  • Ascorbic acid calcium salt
  • CALCIUM ASCORBATE
  • Calci-C
  • Calcium L-ascorbate
  • Calcium L-ascorbate dihydrate
  • Calcium ascorbate (e 302)
  • Calcium ascorbate anhydrous
  • Calcium diascorbate
  • Ester-C
  • Hemicalcium ascorbate
  • INS NO.302

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