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215163 Sigma-Aldrich

Chloroacetic anhydride

95%

Synonym: Monochloroacetic acid anhydride

  • CAS Number 541-88-8

  • Linear Formula (ClCH2CO)2O

  • Molecular Weight 170.98

  •  Beilstein/REAXYS Number 774533

  •  EC Number 208-794-2

  •  MDL number MFCD00000929

  •  PubChem Substance ID 24852874

  •  NACRES NA.22

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Properties

Related Categories Building Blocks, Carbonyl Compounds, Carboxylic Acid Anhydrides, Chemical Synthesis, Organic Building Blocks More...
Quality Level   200
vapor pressure   <0.75 mmHg ( 20 °C)
assay   95%
bp   120-123 °C/20 mmHg (lit.)
mp   48-60 °C (lit.)
solubility   chloroform: soluble 100 mg/mL, clear, colorless to faintly yellow
SMILES string   ClCC(=O)OC(=O)CCl
InChI   1S/C4H4Cl2O3/c5-1-3(7)9-4(8)2-6/h1-2H2
InChI key   PNVPNXKRAUBJGW-UHFFFAOYSA-N

Description

Application

Chloroacetic anhydride has been used in the synthesis of:
• 3,3′-bis(sulfonato)-4,4′-bis(chloroacetamido)azobenzene (BSBCA), a water-soluble, thiol-reactive and photo-switchable cross-linker
• D,L-7-azatryptophan (D,L-7AW)
• 2-methyl-[3,4-di-O-acetyl-6-O-(chloroacetyl)-1,2-dideoxy-α-D-glucopyrano]-[2′,1′:4,5]-2-oxazoline

Packaging

25, 100 g in glass bottle

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 2928 8(6.1) / PGII
WGK Germany 
WGK 3
Flash Point(F) 
289.4 °F - closed cup
Flash Point(C) 
143 °C - closed cup
Protocols & Articles
Peer-Reviewed Papers
15

References

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