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CAS No 526-84-1 , 2-Butenedioic acid,2,3-dihydroxy-, (2Z)-

  • Name: 2-Butenedioic acid,2,3-dihydroxy-, (2Z)-
  • Synonyms: Maleic acid, dihydroxy- (6CI,7CI,8CI);2-Butenedioic acid,2,3-dihydroxy-, (2Z)-;Dihydroxymaleic acid;2-Butenedioicacid, 2,3-dihydroxy-, (Z)-;
  • CAS Registry Number:
  • Density: 1.767g/cm3
  • Refractive index: 1.587
  • Safety Statements: A storage hazard. It may explode in a sealed container. Slowly decomposes to release carbon dioxide. When heated to decomposition it emits acrid smoke and fumes.
  • EINECS: 208-397-4
  • Molecular Weight: 148.07
  • InChI: InChI=1/C4H4O5/c5-2(4(8)9)1-3(6)7/h1,5H,(H,6,7)(H,8,9)/b2-1+
  • Molecular Formula: C4H4 O6
  • Molecular Structure:CAS No:526-84-1 2-Butenedioic acid,2,3-dihydroxy-, (2Z)-

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526-84-1 DIHYDROXYFUMARIC ACID 98%

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References of 2-Butenedioic acid,2,3-dihydroxy-, (2Z)-
Title: Dihydroxymaleic Acid
CAS Registry Number: 526-84-1
CAS Name: (Z)-2,3-Dihydroxy-2-butenedioic acid
Synonyms: 1,2-dihydroxyethylenedicarboxylic acid
Molecular Formula: C4H4O6
Molecular Weight: 148.07
Percent Composition: C 32.45%, H 2.72%, O 64.83%
Literature References: Prepn from tartaric acid: Fenton, J. Chem. Soc. 87, 811 (1905); Nef, Ann. 357, 291 (1907).
Properties: Plates from water, usually crystallizes as the dihydrate. The anhydr acid dec 155° without melting. Slightly sol in cold water, ether, acetic acid; more sol in alcohol. Aq solns are unstable.
Use: In the detection of fluorides and of titanium. Has been proposed as antioxidant for frozen foods.