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8.41321 Sigma-Aldrich

Citraconic anhydride

for synthesis

Synonym: Citraconic anhydride, Methylmaleic anhydride

  • CAS Number 616-02-4

  • Empirical Formula (Hill Notation) C5H4O3

  • Molecular Weight 112.08

  •  EC Index Number 210-459-0

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Properties

Quality Level   200
vapor pressure   1.3 hPa ( 47 °C)
potency   2600 mg/kg LD50, oral (Rat)
  218 mg/kg LD50, skin (Rabbit)
bp   213-214 °C/1013 hPa
mp   7-8 °C
transition temp   flash point 111 °C
density   1.243 g/cm3 at 20 °C
storage conditions   Store at <= 20°C.

Description

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.241 - 1.246
Identity (IR): passes test

Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
Precautionary statements 
Supplemental Hazard Statements 
toxic, irritant, sensitizing
WGK Germany 
3
RTECS 
GE6825000
Protocols & Articles
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