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05581 Sigma-Aldrich

Acetylacetone

analytical standard

Synonym: 2,4-Pentanedione

  • CAS Number 123-54-6

  • Linear Formula CH3COCH2COCH3

  • Molecular Weight 100.12

  •  Beilstein Registry Number 741937

  •  EC Number 204-634-0

  •  MDL number MFCD00008787

  •  eCl@ss 39021208

  •  PubChem Substance ID 329748100

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Properties

Related Categories A-B, A-C, A-F, A-L, Additional Standards,
grade   analytical standard
vapor density   3.5 (vs air)
vapor pressure   6 mmHg ( 20 °C)
InChI Key   YRKCREAYFQTBPV-UHFFFAOYSA-N
assay   ≥99.6% (GC)
autoignition temp.   662 °F
shelf life   limited shelf life, expiry date on the label
expl. lim.   11.4 %
refractive index   n20/D 1.452(lit.)
  n20/D 1.452
bp   140.4 °C(lit.)
mp   −23 °C(lit.)
solubility   H2O: soluble
density   0.975 g/mL at 25 °C(lit.)
Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 2310 6.1(3) / PGIII
WGK Germany 
1
RTECS 
SA1925000
Flash Point(F) 
100.4 °F
Flash Point(C) 
38 °C

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