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Substance Name: 2-Butynedioic acid
RN: 142-45-0
UNII: 2D2OJ4KO44
InChIKey: YTIVTFGABIZHHX-UHFFFAOYSA-N

Molecular Formula

  • C4-H2-O4

Molecular Weight

  • 114.056
 
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Names and Synonyms

Name of Substance

  • 2-Butynedioic acid

Synonyms

  • Butynedioic acid
  • EINECS 205-536-0
  • NSC 1903
  • NSC 631597
  • UNII-2D2OJ4KO44

Systematic Names

  • 2-Butynedioic acid
  • Acetylenedicarboxylic acid (8CI)
  • Butynedioic acid

Registry Numbers

CAS Registry Number

  • 142-45-0

FDA UNII

  • 2D2OJ4KO44

Related Registry Number

  • 928-04-1 (potassium salt)

System Generated Number

  • 0000142450

Structure Descriptors

InChI

1S/C4H2O4/c5-3(6)1-2-4(7)8/h(H,5,6)(H,7,8)

InChIKey

YTIVTFGABIZHHX-UHFFFAOYSA-N

Smiles

C(C#CC(O)=O)(O)=O