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CAS No.: | 109-90-0 |
---|---|
Name: | Ethyl isocyanate |
Article Data: | 87 |
Molecular Structure: | |
Formula: | C3H5NO |
Molecular Weight: | 71.0788 |
Synonyms: | Isocyanicacid, ethyl ester (6CI,8CI);Isocyanatoethane;NSC 89687; |
EINECS: | 203-717-9 |
Density: | 0.87 g/cm3 |
Melting Point: | <-50 |
Boiling Point: | 60 °C at 760 mmHg |
Flash Point: | 23 °C |
Solubility: | insoluble in water |
Appearance: | Colorless liquid |
Hazard Symbols: | F, T |
Risk Codes: | 11-20/21-25-36/37/38-42 |
Safety: | 16-26-36/37/39-45 |
Transport Information: | UN 2481 3/PG 1 |
PSA: | 29.43000 |
LogP: | 0.34210 |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane | 100% |
Conditions | Yield |
---|---|
In toluene at 320 - 340℃; under 37.5038 Torr; Temperature; | 97.6% |
Conditions | Yield |
---|---|
With air; palladium dichloride In 1,4-dioxane Heating; | 89% |
Conditions | Yield |
---|---|
With Phenyltrichlorosilane at 100 - 155℃; for 0.5h; | 87.3% |
ethyl carbamoyl chloride
hexan-1-ol
A
N-ethyl-carbamic acid hexyl ester
B
ethyl isocyanate
Conditions | Yield |
---|---|
In 1,2-dichloro-benzene | A n/a B 81% |
ethyl carbamoyl chloride
ethyl isocyanate
Conditions | Yield |
---|---|
In chlorobenzene | 77% |
With N,N-dimethyl-aniline | |
With triethylamine at 40℃; for 0.333333h; Yield given; | |
With triethylamine In Dimethyldisulphide at 0 - 5℃; pH=8 - 8.5; |
Conditions | Yield |
---|---|
With Phenyltrichlorosilane at 160 - 205℃; for 1h; | A n/a B 72.5% |
ethyl (chloroformyl)methyl carbamate
ethyl isocyanate
Conditions | Yield |
---|---|
With aluminium trichloride at 193 - 220℃; for 0.5h; | 64.3% |
3-ethyl-4-hydroxy-5,5-dimethyl-4-phenyl-oxazolidin-2-one
A
2-methyl-1-phenylprop-2-en-1-one
B
2-hydroxy-2-methylpropiophenone
C
3-hydroxy-3-phenyl-butan-2-one
D
ethyl isocyanate
Conditions | Yield |
---|---|
In benzene at 550℃; | A 41% B 14% C 45% D 44% |
1.IUPAC Name: Isocyanatoethane
2.Synonyms:Ethyl isocyanate ; Isocyanic acid ethyl ester ; 1-Isocyanatoethane ; C2H5NCO ; Ethane,isocyanato- ; Isocyanated’ethyle ; Isocyanato-ethan ; Isocyanatoethane
3.The Molecular formula of Ethyl isocyanate (109-90-0) : C3H5NO
4.The Molecular Weight of Ethyl isocyanate (109-90-0) : 71.08 g/mol
5.The Molecular Structure of Ethyl isocyanate (109-90-0) :
6.Density: 0.898 g/mL at 25 °C(lit.)
7.Boiling point: 60 °C(lit.)
8.Flash point: 20 °F
9.Solubility in water: Insoluble
10.Refractive index (nD): 1.381(lit.)
11.Appearance: colorless liquid
12.Storage temp: 2-8°C
13.vapor pressure: 209 mmHg at 25°C
Ethyl isocyanate (109-90-0) is used to make pharmaceuticals and pesticides.
1. | mmo-sat 50 µg/plate ABCHA6 44,3017,80 | |||
2. | ivn-mus LD50:56 mg/kg | CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#02910 . |
Reported in EPA TSCA Inventory.
Poison by intravenous route. Mutation data reported. A flammable liquid. When heated to decomposition it emits toxic fumes of NOx. See also CYANATES.
Hazard Codes F,T
F: Highly Flammable
T: Toxic
Risk Statements: 11-20/21-25-36/37/38-42
R11: Highly Flammable
R20/21: Harmful by inhalation and if swallowed
R36/37/38: Irritating to eyes, respiratory system and skin
R42: May cause sensitization by inhalation
Safety Statements 16-26-36/37/39-45
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)
WGK Germany: 3
DOT Classification: 3; Label: Flammable Liquid, Poison; DOT Class: 6.1; Label: Poison; DOT Class: 6.1; Label: Poison, Flammable Liquid; DOT Class: 3; Label: Flammable Liquid, Poison
Ethyl isocyanate (109-90-0) may react with water to produce a corrosive liquid and carbon dioxide gas.