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422363 Aldrich

Diketene

contains copper sulfate as stabilizer

  • CAS Number 674-82-8

  • Empirical Formula (Hill Notation) C4H4O2

  • Molecular Weight 84.07

  •  Beilstein Registry Number 104541

  •  EC Number 211-617-1

  •  MDL number MFCD00005173

  •  PubChem Substance ID 24866429

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Properties

Related Categories Building Blocks, Carbonyl Compounds, Chemical Synthesis, Lactones, Organic Building Blocks More...
vapor density   2.9 (vs air)
vapor pressure   7.9 mmHg ( 20 °C)
InChI Key   WASQWSOJHCZDFK-UHFFFAOYSA-N
autoignition temp.   590 °F
contains   copper sulfate as stabilizer
refractive index   n20/D 1.439(lit.)
bp   69-70 °C/100 mmHg(lit.)
density   1.09 g/mL at 25 °C(lit.)

Description

Application

Employed in the convenient preparation of acetoacetic acid derivatives and heterocycles.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 2521 3(6.1) / PGI
WGK Germany 
1
RTECS 
RQ8225000
Flash Point(F) 
93.2 °F
Flash Point(C) 
34 °C

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Protocols & Articles
Peer-Reviewed Papers
15

References

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