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Erythorbic Acid

Odor
Product Name
Erythorbic Acid
CAS No.
89-65-6
Chemical Name
Erythorbic Acid
Synonyms
D-ISOASCORBIC ACID;(5R)-5-[(1R)-1,2-Dihydroxyethyl]-3,4-dihydroxyfuran-2(5H)-one;ISOASCORBIC ACID;ERYTHORBATE;araboascorbicacid;D-ARABOASCORBIC ACID;d-arabino-ascorbicacid;Ascorbic Acid EP Impurity F;2,3-didehydro-d-erythro-hexono-1,4-lactone;mercate5
CBNumber
CB3777943
Molecular Formula
C6H8O6
Formula Weight
176.12
MOL File
89-65-6.mol
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Erythorbic Acid Property

Melting point:
169-172 °C (dec.) (lit.)
alpha 
-17.25 º (c=10, H2O 25 ºC)
Boiling point:
227.71°C (rough estimate)
Density 
1.3744 (rough estimate)
vapor pressure 
0Pa at 25℃
FEMA 
2410 | ERYTHROBIC ACID
refractive index 
-17.5 ° (C=10, H2O)
storage temp. 
2-8°C
solubility 
H2O: 0.1 g/mL, clear, colorless to very faintly yellow
form 
Crystals or Crystalline Powder
pka
4.09±0.10(Predicted)
color 
White to slightly yellow
Odor
odorless
biological source
(Starch)
optical activity
[α]25/D 16.8°, c = 2 in H2O
Water Solubility 
1g/10mL
Merck 
14,5126
BRN 
84271
Stability:
Stable. Combustible. Incompatible with chemically active metals, aluminium, zinc, copper, magnesium, strong bases, strong oxidizing agents.
InChIKey
CIWBSHSKHKDKBQ-JLAZNSOCSA-N
LogP
-1.69 at 25℃
CAS DataBase Reference
89-65-6(CAS DataBase Reference)
EPA Substance Registry System
Isoascorbic acid (89-65-6)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-24/25
WGK Germany 
2
RTECS 
KF3015000
TSCA 
Yes
HS Code 
29329990
Hazardous Substances Data
89-65-6(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
W241008
Product name
<SC>D</SC>-Isoascorbic acid
Purity
FG
Packaging
1 unit
Price
$56.3
Updated
2025/07/31
Sigma-Aldrich
Product number
W241008
Product name
<SC>D</SC>-Isoascorbic acid
Purity
FG
Packaging
1 unit
Price
$56.3
Updated
2025/07/31
Sigma-Aldrich
Product number
W241008
Product name
D-(?)-Isoascorbic acid
Purity
FG
Packaging
1kg
Price
$74.3
Updated
2025/07/31
Sigma-Aldrich
Product number
W241008
Product name
D-(?)-Isoascorbic acid
Purity
FG
Packaging
5kg
Price
$282
Updated
2025/07/31
Sigma-Aldrich
Product number
PHR2418
Product name
AscorbicAcidImpurityF
Purity
PharmaceuticalSecondaryStandard;CertifiedReferenceMaterial
Packaging
100MG
Price
$408.5
Updated
2025/07/31
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Erythorbic Acid Chemical Properties,Usage,Production

Odor

Practically odorless. Clean acidulous taste, resembling that of Citric acid, but somewhat milder.

Chemical Properties

Erythorbic acid occurs as a white or slightly yellow-colored crystals or powder. It gradually darkens in color upon exposure to light.

Uses

Antioxidant (industrial and food), especially in brewing industry, reducing agent in photography.

Uses

Erythorbic Acid is a food preservative that is a strong reducing agent (oxygen accepting) which functions similarly to antioxidants. In the dry crystalline state it is nonreactive, but in water solutions it reacts readily with atmospheric oxygen and other oxidizing agents, making it valuable as an antioxidant. During preparation, dissolving and mixing should incorporate a minimum amount of air, and storage should be at cool temperatures. It has a solubility of 43 g/100 ml of water at 25°c. One part is equivalent to one part ascorbic acid and equivalent to one part sodium erythorbate. It is used to control oxidative color and flavor deterioration in fruits at 150–200 ppm. It is used in meat curing to speed and control the nitrite curing reaction and prolong the color of cured meat at levels of 0.05%.

Uses

Erythorbic Acid is used as a food additive as an antimicrobial and antioxidative agent.

Definition

ChEBI: D-isoascorbic acid is an ascorbic acid.

Production Methods

Erythorbic acid is synthesized by the reaction between methyl 2- keto-D-gluconate and sodium methoxide. It can also be synthesized from sucrose, and produced from Penicillium spp.

Biotechnological Production

Yeasts and other fungi synthesize the C5 sugar acid D-erythroascorbic acid which shares structural and physicochemical properties with Asc. D-erythroascorbic acid serves similar protective functions in these microorganisms as Asc does in plants and animals, including the scavenging of reactive oxygen species. The biosynthesis of D-erythroascorbic acid starts from D-arabinose obtained by the microorganism from decaying plant material. D-arabinose, presumably in its 1,4-furanosidic isomeric form, is oxidized by NAD(P)+ specific dehydrogenases to D-arabinono-1,4-lactone, which is further oxidized to D-erythroascorbic acid by D-arabinono-1,4-lactone oxidase. Resting cells of Saccharomyces cerevisiae can synthesize Asc from L-galactose, L-galactono-1,4-lactone, or L-gulono- 1,4-lactone via the pathway naturally used for D-erythroascorbic acid.

Flammability and Explosibility

Non flammable

Pharmaceutical Applications

Erythorbic acid is a stereoisomer of L-ascorbic acid, and is used as an antioxidant in foods and oral pharmaceutical formulations. It has approximately 5% of the vitamin C activity of L-ascorbic acid.

Safety

Erythorbic acid is widely used in food applications as an antioxidant. It is also used in oral pharmaceutical applications as an antioxidant. Erythorbic acid is generally regarded as nontoxic and nonirritant when used as an excipient. Erythorbic acid is readily metabolized and does not affect the urinary excretion of ascorbic acid.
The WHO has set an acceptable daily intake of erythorbic acid and its sodium salt in foods at up to 5 mg/kg body-weight.

Solubility in organics

40% soluble in water. Soluble in alcohol, slightly soluble in Glycerin and Propylene glycol.

storage

Erythorbic acid should be stored in an airtight container, protected from light, in a cool, dry place.

Purification Methods

Crystallise D(-)-isoascorbic acid from H2O, EtOH or dioxane. is at 245nm with 7,500 (EtOH). [Reichstein et al. Helv max Chim Acta 17 510, 516 1934, Heslop et al. J Chem Soc 225 1944, Beilstein 18 III/IV 3037, 18/5 V 26.]

Incompatibilities

Erythorbic acid is incompatible with chemically active metals such as aluminum, copper, magnesium, and zinc. It is also incompatible with strong bases and strong oxidizing agents.

Regulatory Status

GRAS listed. Accepted for use as a food additive in Europe. Included in the FDA Inactive Ingredients Database (oral concentrate and tablets).

Erythorbic Acid Preparation Products And Raw materials

Raw materials

Calcium gluconate Trimethacrylate D(+)-Glucose Gluconic acid Zinc silicate Sodium Methoxide Starch Sodium erythorbate

Preparation Products

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View Lastest Price from Erythorbic Acid manufacturers

Xinxiang Aurora Biotechnology Co.,Ltd.
Product
Erythorbic Acid 89-65-6
Price
US $9.90-99.00/Kg
Min. Order
1Kg
Purity
98%
Supply Ability
3000MT
Release date
2025-06-04
WUHAN FORTUNA CHEMICAL CO., LTD
Product
Erythorbic Acid 89-65-6
Price
US $0.00/KG
Min. Order
1KG
Purity
98%min
Supply Ability
30tons/month
Release date
2023-02-07
Hebei Chuanghai Biotechnology Co., Ltd
Product
Erythorbic Acid 89-65-6
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2024-11-28

89-65-6, Erythorbic AcidRelated Search:

Folic acid L-Fucose Ethyl 2-(Chlorosulfonyl)acetate Alginic acid 4-Hexanolide Polycaprolactone Sodium ascorbate trans-2-Hexenoic acid Erythromycin (-)-Corey lactone diol Sodium erythorbate ε-Caprolactone Ascorbyl Palmitate ASCORBATE OXIDASE Alginic Sodium Diester Glycine Ascorbic Acid Citric acid

  • 2,3-didehydro-d-erythro-hexono-1,4-lactone
  • FEMA 2410
  • ISOASCORBIC ACID
  • ISOVITAMIN C
  • 3-keto-d-erythro-hexonicacigamma-lactone
  • araboascorbicacid
  • d-arabino-ascorbicacid
  • d-erythro-3-ketohexonicacidlactone
  • D-Erythro-3-ketohex-onicacidlactone
  • d-erythro-3-oxohexonicacidlactone
  • d-erythro-ascorbicacid
  • erythro-Hex-2-enonicacid,1,4-lactone
  • femanumber:2410
  • glucosaccharonicacid
  • mercate"5"
  • mercate5
  • D-(-)-ARABOASCORBIC ACID
  • D-ARABOASCORBIC ACID
  • D-ERYTHRO-3-KETOHEXANOIC ACIDLACTONE
  • D-ERYTHRO-3-OXOHEXANOIC ACID LACTONE
  • D-Erythro-hex-2-enonic acid
  • D-ERYTHRO-HEX-2-ENONIC ACID, GAMMA-LACTONE
  • D-(-)-ERYTHORBIC ACID
  • D-ERYTHORBIC ACID
  • ERYCORBIN
  • ERYTHORBIC ACID
  • D(-)-ISOASCORBIC ACID
  • D-ISOASCORBIC ACID
  • (2R)-2-[(1R)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one
  • SACCHAROSONIC ACID
  • NEOCEBICURE
  • D-erythro-Hex-2-enoic acid γ-lactone
  • D-ISOASCORBIC ACID 99+% FCC
  • D-IsoascorbicAcid,>99%
  • ERYTHORBICACID,FCC
  • D-(-)-ARABOASCORBICACID(ERYTHORBICACID)
  • Araboascorbic acid, D-
  • D-erythro-Hex-2-enonic acid, γ-lactone (8CI, 9CI)
  • D-erythro-Hexonic acid, 3-keto-, γ-lactone (6CI)
  • D-erythro-Hex-2-enoic acid γ-lactone D-Araboascorbic acid D-Erythorbic Acid
  • Ascorbic Acid Impurity 6（Ascorbic Acid EP Impurity F）
  • sodium 5-(1,2-dihydroxyethyl)-3-hydroxyfuran-3-ide-2,4-dione
  • Ascorbic Acid EP Impurity F
  • Powder Erythorbic Acid FCC4
  • D(-)-Isoascorbic Acid (Erythorbic Acid)
  • Erythorbic acid (7CI)
  • NSC 8117
  • D-ASCORBICACID
  • ERYTHORBATE
  • D-erythro-Hex-2-enoic acid γ-lactone, D-Araboascorbic acid
  • D-(-)-Isoascorbic acid, D-erythro-Hex-2-enoic acid γ-lactone, D-Araboascorbic acid, Erythorbic acid
  • (R)-5-[(R)-1,2-Dihydroxyethyl]-3,4-dihydroxyfuran-2(5H)-one
  • 3,4-Dihydroxy-5β-[(R)-1,2-dihydroxyethyl]-2(5H)-furanone
  • D(-)-Isoascorbic acid,98%
  • D-()-Isoascorbic acid,D-erythro-Hex-2-enoic acid γ-lactone, D-Araboascorbic acid
  • D-Isoascorbic acid,D-()-Isoascorbic acid, D-erythro-Hex-2-enoic acid γ-lactone, D-Araboascorbic acid, Erythorbic acid
  • )-Isoascor
  • Erythorbic Acid (50 mg)