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Ethyleneimine

Product NameEthyleneimine

CAS151-56-4

MFC2H5N

MW43.07

EINECS205-793-9

MOL File151-56-4.mol

Chemical Properties

Melting point -78°C
Boiling point 56°C
Density  0,83 g/cm3
vapor pressure  160 at 20 °C, 250 at 30 °C (quoted, Verschueren, 1983)
refractive index  nD25 1.412
Flash point -11°C
solubility  miscible with water and virtually all organic solvents
pka 8.01(at 25℃)
form  Colorless liquid
Odor Fishy; ammoniacal.
Water Solubility  miscible
Henry's Law Constant 1.33(x 10-7 atm?m3/mol) at 25 °C (quoted, Mercer et al., 1990)
Exposure limits TLV-TWA (skin) 0.5 ppm (~1 mg/m3) (ACGIH, OSHA, and MSHA); Poten tial Human Carcinogen in the workplace (OSHA), Potential Carcinogen (NIOSH).
Stability Highly flammable. Reacts with a wide variety of materials.
CAS DataBase Reference 151-56-4(CAS DataBase Reference)
IARC 2B (Vol. 9, Sup 7, 71) 1999
NIST Chemistry Reference Ethylenimine(151-56-4)
EPA Substance Registry System Aziridine (151-56-4)

Safety Information

Hazard Codes  F;T,T,F,N,T+
Risk Statements  11-26/27/28-34-45-46-51/53
Safety Statements  45-53-61
RIDADR  1185
HazardClass  6.1(a)
PackingGroup  I
Hazardous Substances Data 151-56-4(Hazardous Substances Data)
Toxicity LD50 orally in rats: 15 mg/kg (Smyth)
IDLA 100 ppm

Usage And Synthesis