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8.20551 Sigma-Aldrich

1,2-Epoxybutane

for synthesis

Synonym: 1,2-Epoxybutane, Ethyloxirane, 1,2-Butylene oxide

  • CAS Number 106-88-7

  • Empirical Formula (Hill Notation) C4H8O

  • Molecular Weight 72.11

  •  MDL number MFCD00005153

  •  EC Index Number 203-438-2

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Properties

Quality Level   200
vapor pressure   1005 hPa ( 63 °C)
autoignition temp.   370 °C
potency   500 mg/kg LD50, oral (Rat)
  1743 mg/kg LD50, skin (Rabbit)
expl. lim.   1.7-19 % (v/v)
pH   7 (20 °C, 50 g/L in H2O)
bp   63 °C/1013 hPa
mp   -130 °C
transition temp   flash point -26 °C
solubility   86.8 g/L
density   0.83 g/cm3 at 20 °C
InChI   1S/C4H8O/c1-2-4-3-5-4/h4H,2-3H2,1H3
InChI key   RBACIKXCRWGCBB-UHFFFAOYSA-N
storage conditions   Store below +30°C.

Description

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.830 - 0.831
Identity (IR): passes test

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