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69692 Sigma-Aldrich

3-Buten-2-one

purum, ≥95.0% (GC)

Synonym: Methyl vinyl ketone, Vinyl methyl ketone

  • CAS Number 78-94-4

  • Linear Formula CH2=CHCOCH3

  • Molecular Weight 70.09

  •  Beilstein Registry Number 506021

  •  EC Number 201-160-6

  •  MDL number MFCD00008777

  •  PubChem Substance ID 329761869

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Properties

Related Categories Building Blocks, C3 to C6, Carbonyl Compounds, Chemical Synthesis, Ketones,
vapor density   1.3 (vs air)
vapor pressure   310 mmHg ( 55 °C)
  71 mmHg ( 20 °C)
InChI Key   FUSUHKVFWTUUBE-UHFFFAOYSA-N
grade   purum
assay   ≥95.0% (GC)
contains   ~0.5% acetic acid as stabilizer
  ~0.5% hydroquinone as stabilizer
expl. lim.   15.64 %
impurities   ~5% water
refractive index   n20/D 1.411(lit.)
  n20/D 1.412
bp   81 °C(lit.)
density   0.86 g/mL at 20 °C
  0.864 g/mL at 25 °C(lit.)
storage temp.   2-8°C

Description

Caution

may discolor to brown on storage

Price and Availability

Safety & Documentation

Safety Information

Signal word 
Danger
RIDADR 
UN1251 - class 6.1 - PG 1 - Methyl vinyl ketone, stabilized
WGK Germany 
3
Flash Point(F) 
19.4 °F
Flash Point(C) 
-7 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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