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Substance Name: Crotonic anhydride
RN: 623-68-7
UNII: N521PMQ949
InChIKey: VJDDQSBNUHLBTD-GGWOSOGESA-N

Classification Code

  • Skin / Eye Irritant

Molecular Formula

  • C8-H10-O3

Molecular Weight

  • 154.164
 
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Names and Synonyms

Name of Substance

  • Crotonic anhydride

Synonyms

  • 2-Butenoic acid, anhydride
  • Anhydrid kyseliny krotonove
  • Anhydrid kyseliny krotonove [Czech]
  • Crotonic acid anhydride
  • EINECS 210-807-1
  • HSDB 2815
  • NSC 97397
  • UNII-N521PMQ949

Systematic Names

  • 2-Butenoic acid, 1,1'-anhydride
  • 2-Butenoic acid, anhydride
  • 2-Butenoic anhydride
  • Crotonic anhydride

Registry Numbers

CAS Registry Number

  • 623-68-7

FDA UNII

  • N521PMQ949

System Generated Number

  • 0000623687

Structure Descriptors

InChI

1S/C8H10O3/c1-3-5-7(9)11-8(10)6-4-2/h3-6H,1-2H3/b5-3+,6-4+

InChIKey

VJDDQSBNUHLBTD-GGWOSOGESA-N

Smiles

C(OC(\C=C\C)=O)(\C=C\C)=O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral 2830mg/kg (2830mg/kg)   American Industrial Hygiene Association Journal. Vol. 23, Pg. 95, 1962.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Boiling Point 247 deg C   EXP
log P (octanol-water) 0.960 (none)   EST
Atmospheric OH Rate Constant 3.98E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.