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109-90-0

Name Ethyl isocyanate
CAS 109-90-0
EINECS(EC#) 203-717-9
Molecular Formula C3H5NO
MDL Number MFCD00002042
Molecular Weight 71.08
MOL File 109-90-0.mol

Chemical Properties

Melting point  <-50
Boiling point  60 °C(lit.)
density  0.898 g/mL at 25 °C(lit.)
vapor pressure  4.34 psi ( 20 °C)
refractive index  n20/D 1.381(lit.)
Fp  20 °F
storage temp.  2-8°C
Water Solubility  Insoluble
Sensitive  Moisture Sensitive
Detection Methods HPLC
BRN  773743
Uses
Pharmaceutical and pesticide intermediate.
CAS DataBase Reference 109-90-0(CAS DataBase Reference)
NIST Chemistry Reference Ethane, isocyanato-(109-90-0)
Storage Precautions Store under nitrogen;Moisture sensitive
EPA Substance Registry System 109-90-0(EPA Substance)

Safety Data

Hazard Codes  F,T
Risk Statements 
R11:Highly Flammable.
R20/21:Harmful by inhalation and in contact with skin .
R25:Toxic if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
R42:May cause sensitization by inhalation.
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR  UN 2481 3/PG 1
WGK Germany  3
RTECS  NQ8825000
10-19-21
TSCA  Yes
HazardClass  3.1
PackingGroup  I
HS Code  29291090
Safety Profile
Poison by intravenous route. Mutation data reported. A flammable liquid. When heated to decomposition it emits toxic fumes of NOx. See also CYANATES.
Hazardous Substances Data 109-90-0(Hazardous Substances Data)

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