Home > Name List By d > D-Isoascorbic acid

CAS No 89-65-6 , D-Isoascorbic acid

  • Name: D-Isoascorbic acid
  • Synonyms: D-Erythro-hex-2-enonic acid;2,3-Didehydro-D-erythro-hexono-1,4-lactone; D-erythro-Hex-2-enonic acid, gamma-lactone; Erythorbic Acid;D-Araboascorbic acid; D-Araboascorbic acid; Isovitamin C;D-Isoascorbic acid;
  • CAS Registry Number:
  • Melting Point: 167-172 ºC
  • Density: 1.954 g/cm3
  • Refractive index: -17.5 ° (C=10, H2O)
  • Alpha: -17.25 º (C=10, H2O 25 ºC)
  • Water Solubility: 1G/10ML
  • Safety Statements: S24/25
  • Hazard Symbols: Xi: Irritant;
  • EINECS: 201-928-0
  • Molecular Weight: 176.12
  • InChI: InChI=1/C6H8O6/c7-1-2(8)5-3(9)4(10)6(11)12-5/h2,5,7-10H,1H2/t2-,5-/m1/s1
  • Risk Statements: S24/25
  • Molecular Formula: C6H8O6
  • Molecular Structure:CAS No:89-65-6 D-Isoascorbic acid
Search by region :

Select to

89-65-6 D-Isoascorbic acid

Contact Supplier

89-65-6 Erythorbic acid

Contact Supplier

89-65-6 ERYTHORBIC ACID

  • United States Great Earth Chemical, LLC [Manufacturer]
  • Tel: 503-620-7130
  • Fax: 503-670-1737
  • Address: Great Earth Chemical, LLC
    7204 SW Durham Road
    Suite 800
    Portland, Oregon 97224 null,nullUnited States
Contact Supplier

89-65-6 Erythorbic Acid

Contact Supplier

89-65-6 D-Isoascorbic acid

Contact Supplier

89-65-6 D-Isoascorbic acid

  • China sinokemmed trading co.,ltd [Importer/Exporter]
  • Tel: +86-15999574456
  • Fax: +86-755-33330820
  • Address: guangdong shenzhen shenzhen,guangdongChina
Contact Supplier

89-65-6 D-Isoascorbic acid

  • China Shijiazhuang Sinca Foods Co., Ltd [Manufacturers]
  • Tel: +86 311 85118015;85118016;85830786
  • Fax: +86 311 85118955
  • Address: A-15J HIBC NO.9 Changjiang Ave.Shijiazhuang,China Shijiazhuang Hebei 050035 China Hebei,ShijiazhuangChina
Contact Supplier

89-65-6 D-Isoascorbic acid

  • China Natural Chemical Co., Ltd [Manufacturers]
  • Tel: 0371-60193627
  • Fax: 0371-60193628
  • Address: Zhengtong Road Zhengzhou,HenanChina
Contact Supplier

89-65-6 D-Isoascorbic acid

  • China Shanghai Honghao Chemicals Co., Ltd [Manufacturers]
  • Tel: 86-21-58708081 58739982
  • Fax: 86-21-51069122
  • Address: No150 north Linyi RD.Pudong Shanghai China Shanghai,ShanghaiChina
Contact Supplier

89-65-6 Erythorbic Acid

Contact Supplier

Select to

References of D-Isoascorbic acid
Title: Isoascorbic Acid
CAS Registry Number: 89-65-6
CAS Name: D-erythro-Hex-2-enonic acid g-lactone
Synonyms: D-araboascorbic acid; erythorbic acid; isovitamin C; saccharosonic acid; glucosaccharonic acid; D-erythro-3-ketohexonic acid lactone; D-erythro-3-oxohexonic acid lactone; erycorbin
Trademarks: Mercate "5"; Neo-Cebicure
Molecular Formula: C6H8O6
Molecular Weight: 176.12
Percent Composition: C 40.92%, H 4.58%, O 54.51%
Literature References: Epimer of L-ascorbic acid. Has one-twentieth of the vitamin C activity of L-ascorbic acid. Prepd by treating methyl 2-keto-D-gluconate with sodium methoxide: Maurer, Schiedt, Ber. 66, 1054 (1933); 67, 1239 (1934); Ohle et al., ibid. 67, 324 (1934); Baird et al., J. Chem. Soc. 1934, 63; Reichstein et al., Helv. Chim. Acta 17, 516 (1934). Synthesis from sucrose: Heimann, Reiff, Pharm. Zentralhalle 93, 97 (1954). Production by Penicillium spp: Takahashi et al., Nature 188, 411 (1960); US 3052609 (1962 to Sankyo); Bull. Agric. Chem. Soc. Jpn. 24, 533 (1960), C.A. 55, 1788 (1961). Conformation: Matsui et al., Agric. Biol. Chem. 27, 185 (1963).
Properties: Shiny granular crystals from water or dioxane. Dec 174°. [a]D16.5 -17° (c = 1.8 in 0.01N HCl); [a]D20 -16.6° (H2O). Soluble in water, alc, pyridine. Moderately sol in acetone. Slightly sol in glycerol.
Optical Rotation: [a]D16.5 -17° (c = 1.8 in 0.01N HCl); [a]D20 -16.6° (H2O)
 
Derivative Type: Sodium salt
Synonyms: Sodium erythorbate
Trademarks: Mercate "20"; Neo-Cebitate
Properties: Crystals, sol in water. pH of aq solns of the sodium salt between 5 and 6. A 10% soln, made from commercial grade, may have a pH of 7.2 to 7.9. The free acid is more sol in water (40 g/100 ml H2O) than the sodium salt (16 g/100 ml H2O).
 
Use: Antioxidant and antimicrobial agent for foods: Kadin, Osadca, J. Agric. Food Chem. 7, 358 (1959).