Product Name

  • Name

    ALLYL ISOCYANATE

  • EINECS -0
  • CAS No. 1476-23-9
  • Article Data32
  • CAS DataBase
  • Density 0.94
  • Solubility Hydrolyzes in water.
  • Melting Point
  • Formula C4H5 N O
  • Boiling Point 88 °C at 760 mmHg
  • Molecular Weight 83.0898
  • Flash Point 43 ºC
  • Transport Information UN 3080
  • Appearance
  • Safety A poison. See also ALLYL COMPOUNDS and ESTERS. A flammable liquid. When heated to decomposition it emits toxic fumes of NOx.
  • Risk Codes R10;R23/24/25;R34;R42   
  • Molecular Structure Molecular Structure of 1476-23-9 (ALLYL ISOCYANATE)
  • Hazard Symbols
  • Synonyms Isocyanicacid, allyl ester (6CI,7CI,8CI); 2-Propenyl isocyanate; Allyl isocyanate; NSC96964; Propene, 3-isocyanato-
  • PSA 29.43000
  • LogP 0.50820

Synthetic route

allylurea
557-11-9

allylurea

allylisocyanate
1476-23-9

allylisocyanate

Conditions
ConditionsYield
With hydrogenchloride; tetrabutylammomium bromide; sodium nitrite In water; toluene at 0℃; for 5.5h; Temperature;92%
methyl allylcarbamate
19364-21-7

methyl allylcarbamate

allylisocyanate
1476-23-9

allylisocyanate

Conditions
ConditionsYield
With trichloro(dichloromethyl)silane at 95 - 150℃; for 0.5h;81%
allyl iodid
556-56-9

allyl iodid

silver cyanate
3315-16-0

silver cyanate

allylisocyanate
1476-23-9

allylisocyanate

triallyl isocyanurate
1025-15-6

triallyl isocyanurate

allylisocyanate
1476-23-9

allylisocyanate

Conditions
ConditionsYield
With hydrogenchloride; toluene dann Erhitzen bis auf 220grad oder beim Behandeln mit Chlorwasserstoff bei 130grad;
allyl-carbamic acid-(2-hydroxy-phenyl ester)
79224-96-7

allyl-carbamic acid-(2-hydroxy-phenyl ester)

A

benzene-1,2-diol
120-80-9

benzene-1,2-diol

B

allylisocyanate
1476-23-9

allylisocyanate

Conditions
ConditionsYield
at 240 - 270℃;
allyl-carbamic acid-(2-hydroxy-phenyl ester)
79224-96-7

allyl-carbamic acid-(2-hydroxy-phenyl ester)

allylisocyanate
1476-23-9

allylisocyanate

Conditions
ConditionsYield
at 240 - 270℃;
phosgene
75-44-5

phosgene

1-amino-2-propene
107-11-9

1-amino-2-propene

allylisocyanate
1476-23-9

allylisocyanate

Conditions
ConditionsYield
Behandlung des entstandenen Allylcarbamidsaeure-chlorids mit Ca(OH)2 oder mit Aethylenoxyd-Derivaten;
1-amino-2-propene
107-11-9

1-amino-2-propene

allylisocyanate
1476-23-9

allylisocyanate

Conditions
ConditionsYield
With phosgene; toluene Behandeln des Reaktionsgemisches mit Calciumoxid oder mit Chinolin;
trimethylsilyl allylcarbamate
51041-96-4

trimethylsilyl allylcarbamate

allylisocyanate
1476-23-9

allylisocyanate

Conditions
ConditionsYield
With tetrachlorosilane
Stage #1: trimethylsilyl allylcarbamate With chloro-trimethyl-silane; 1,1,1,3,3,3-hexamethyl-disilazane for 72h;
Stage #2: at 200℃; Further stages.;
O-Allylthiocarbamat
29771-43-5

O-Allylthiocarbamat

allylisocyanate
1476-23-9

allylisocyanate

Conditions
ConditionsYield
With magnesium sulfate; silver(l) oxide In tetrachloromethane
carbon dioxide
124-38-9

carbon dioxide

1-amino-2-propene
107-11-9

1-amino-2-propene

allylisocyanate
1476-23-9

allylisocyanate

Conditions
ConditionsYield
(i) Et3N, isopropylbenzene, (ii) Cl2CHSiCl3; Multistep reaction;
benzyl chloroformate
501-53-1

benzyl chloroformate

1-amino-2-propene
107-11-9

1-amino-2-propene

allylisocyanate
1476-23-9

allylisocyanate

Conditions
ConditionsYield
With carbon disulfide; sodium hydroxide 1.) 2h, heating, 2.) 35-40 deg C, 30 min; Yield given. Multistep reaction;
C8H18N2OSi

C8H18N2OSi

A

chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

B

allylisocyanate
1476-23-9

allylisocyanate

C

methyl isocyanate
624-83-9

methyl isocyanate

Conditions
ConditionsYield
With Phenyltrichlorosilane at 150 - 210℃;A 51 % Chromat.
B 43.6 % Chromat.
C 5.4 % Chromat.
1-amino-2-propene
107-11-9

1-amino-2-propene

trichloromethyl chloroformate
503-38-8

trichloromethyl chloroformate

allylisocyanate
1476-23-9

allylisocyanate

Conditions
ConditionsYield
With pyrographite In ethyl acetate Condensation; Heating;
5-allyloxy-[1,2,3,4]thiatriazole

5-allyloxy-[1,2,3,4]thiatriazole

allylisocyanate
1476-23-9

allylisocyanate

Conditions
ConditionsYield
With hydrogen sulfide at 20℃;
allyl allylcarbamate
1070-41-3

allyl allylcarbamate

allylisocyanate
1476-23-9

allylisocyanate

Conditions
ConditionsYield
With 2-chloropyridine; trifluoromethylsulfonic anhydride In dichloromethane at 20℃; for 1.08333h;
allylisocyanate
1476-23-9

allylisocyanate

anthranilic acid nitrile
1885-29-6

anthranilic acid nitrile

2-(3-allylureido)benzonitrile
122372-27-4

2-(3-allylureido)benzonitrile

Conditions
ConditionsYield
for 48h; Ambient temperature;100%
for 48h; Ambient temperature;100%
In dichloromethane for 3h; Ambient temperature;88%
propargyl alcohol
107-19-7

propargyl alcohol

allylisocyanate
1476-23-9

allylisocyanate

2-propynyl allylcarbamate
130721-44-7

2-propynyl allylcarbamate

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In diethyl ether for 3h; Ambient temperature;100%
4-pentyn-2-ol
2117-11-5

4-pentyn-2-ol

allylisocyanate
1476-23-9

allylisocyanate

1-methyl-3-butynyl allylcarbamate

1-methyl-3-butynyl allylcarbamate

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In diethyl ether for 3h; Ambient temperature;100%
N-amino{3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carboxamide; 2-(4-iodo-2-fluoro-phenylamino)-3,4-difluoro-benzoic acid hydrazide
718619-66-0

N-amino{3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carboxamide; 2-(4-iodo-2-fluoro-phenylamino)-3,4-difluoro-benzoic acid hydrazide

allylisocyanate
1476-23-9

allylisocyanate

4'-allyl-1'[3,4-difluoro-2-(2-fluoro-4-iodo-phenylamino)]-semicarbazole
718619-67-1

4'-allyl-1'[3,4-difluoro-2-(2-fluoro-4-iodo-phenylamino)]-semicarbazole

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 2h;100%
allylisocyanate
1476-23-9

allylisocyanate

thiophenol
108-98-5

thiophenol

phenyl N-allylthiocarbamate
14467-73-3

phenyl N-allylthiocarbamate

Conditions
ConditionsYield
100%
With pyridine In toluene for 2h; Reflux;
allylisocyanate
1476-23-9

allylisocyanate

4-chlorobenzoic acid hydrazide
536-40-3

4-chlorobenzoic acid hydrazide

2-[(4-chlorophenyl)carbonyl]-N-(prop-2-en-1-yl)hydrazinecarboxamide
959140-37-5

2-[(4-chlorophenyl)carbonyl]-N-(prop-2-en-1-yl)hydrazinecarboxamide

Conditions
ConditionsYield
In tetrahydrofuran at 50℃; for 2h;100%
In tetrahydrofuran at 50℃; for 2h;100%
allylisocyanate
1476-23-9

allylisocyanate

5-diazoimidazole-4-carboxamide
7008-85-7

5-diazoimidazole-4-carboxamide

3-allyl-8-carbamoyl-[3H]-imidazo[5,1-d]-1,2,3,5-tetrazin-4-one
85622-99-7

3-allyl-8-carbamoyl-[3H]-imidazo[5,1-d]-1,2,3,5-tetrazin-4-one

Conditions
ConditionsYield
In dimethyl sulfoxide at 25℃; for 24h; Inert atmosphere;100%
4-ferrocenylbutan-1-ol
12289-45-1

4-ferrocenylbutan-1-ol

allylisocyanate
1476-23-9

allylisocyanate

(4-ferrocenylbutyl)-N-allylcarbamate
1428230-49-2

(4-ferrocenylbutyl)-N-allylcarbamate

Conditions
ConditionsYield
In dichloromethane for 2.5h; Inert atmosphere; Reflux;99.4%
N-phenyl-2-[(triphenylphosphoranylidene)amino]benzenesulfonamide
1033547-77-1

N-phenyl-2-[(triphenylphosphoranylidene)amino]benzenesulfonamide

allylisocyanate
1476-23-9

allylisocyanate

2-phenyl-N-(prop-2-enyl)-2H-1,2,4-benzothiadiazin-3-amine 1,1-dioxide
1033548-25-2

2-phenyl-N-(prop-2-enyl)-2H-1,2,4-benzothiadiazin-3-amine 1,1-dioxide

Conditions
ConditionsYield
In toluene at 110℃; for 3h;99%
3-cyclopentyl-2-(3,4-dichlorophenyl)propionamide
300356-42-7

3-cyclopentyl-2-(3,4-dichlorophenyl)propionamide

allylisocyanate
1476-23-9

allylisocyanate

1-allyl-3-[3-cyclopentyl-2-(3,4-dichlorophenyl)propionyl]urea
300354-62-5

1-allyl-3-[3-cyclopentyl-2-(3,4-dichlorophenyl)propionyl]urea

Conditions
ConditionsYield
In toluene for 24h; Reflux; Inert atmosphere;99%
allylisocyanate
1476-23-9

allylisocyanate

1,3-diallylurea
1801-72-5

1,3-diallylurea

Conditions
ConditionsYield
With water; triethylamine In 1,4-dioxane at 20℃; for 0.05h;98.5%
Stage #1: allylisocyanate With [nido-6-Mn(CO)3B9H13][NMe4] In dichloromethane for 0.166667h; Inert atmosphere; Sonication;
Stage #2: In dichloromethane for 0.166667h; Irradiation; Inert atmosphere;
92%
With [Pr(SPh)3(THF)3] In tetrahydrofuran at 60℃; for 12h; Inert atmosphere;85%
3,3-diethoxypropionic amide
41365-74-6

3,3-diethoxypropionic amide

allylisocyanate
1476-23-9

allylisocyanate

3-Allylamino-3H-pyridine-2,6-dione

3-Allylamino-3H-pyridine-2,6-dione

Conditions
ConditionsYield
In toluene for 18h; Heating;98%
allylisocyanate
1476-23-9

allylisocyanate

O,O-dimethyl phosphorodithioic acid
756-80-9

O,O-dimethyl phosphorodithioic acid

O,O-dimethyl-S-(N-allylcarbamoyl) dithiophosphate

O,O-dimethyl-S-(N-allylcarbamoyl) dithiophosphate

Conditions
ConditionsYield
In tetrachloromethane98%
allylisocyanate
1476-23-9

allylisocyanate

triallyl isocyanurate
1025-15-6

triallyl isocyanurate

Conditions
ConditionsYield
With 1,3-bis(2,6-diisopropylphenyl)dihydroimidazol-2-ylidene at 20℃; for 1h;98%
With tetraethylammonium 2-(carbamoyl)benzoate at 50℃; for 6h; Neat (no solvent);95%
With 1,3-dimethyl-4,5-diphenyl-2-(propan-2-ylidene)-2,3-dihydro-1H-imidazole; 1,8-diazabicyclo[5.4.0]undec-7-ene In toluene at 20℃; for 48h; Inert atmosphere; Glovebox;89%
3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-D-glucopyranose
72858-55-0, 90405-21-3, 90405-42-8, 124362-60-3, 144221-86-3

3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-D-glucopyranose

allylisocyanate
1476-23-9

allylisocyanate

3,4,6-tri-O-acetyl-1-O-(N-allyl)carbamoyl-2-deoxy-2-phthalimido-β-D-glucopyranose
150630-95-8

3,4,6-tri-O-acetyl-1-O-(N-allyl)carbamoyl-2-deoxy-2-phthalimido-β-D-glucopyranose

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane for 12h; Ambient temperature;98%
((2S,3R)-3-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)oxiran-2-yl)methanol
80581-19-7

((2S,3R)-3-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)oxiran-2-yl)methanol

allylisocyanate
1476-23-9

allylisocyanate

Allyl-carbamic acid (2S,3R)-3-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-oxiranylmethyl ester
317855-06-4

Allyl-carbamic acid (2S,3R)-3-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-oxiranylmethyl ester

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In benzene at 60℃;98%
(6-methoxyquinolin-4-yl)methanol
92288-15-8

(6-methoxyquinolin-4-yl)methanol

allylisocyanate
1476-23-9

allylisocyanate

(6-methoxyquinolin-4-yl)methyl allylcarbamate
1353716-33-2

(6-methoxyquinolin-4-yl)methyl allylcarbamate

Conditions
ConditionsYield
With dibutyltin dilaurate In dichloromethane for 6h; Inert atmosphere; Reflux;98%
allylisocyanate
1476-23-9

allylisocyanate

C14H24N2O
1416431-37-2

C14H24N2O

Conditions
ConditionsYield
In dichloromethane at 20℃;98%
3-amino-12-N-methylcytisine
1401073-47-9

3-amino-12-N-methylcytisine

allylisocyanate
1476-23-9

allylisocyanate

N-(12-methylcytisin-3-yl)-N-allylurea
1401073-48-0

N-(12-methylcytisin-3-yl)-N-allylurea

Conditions
ConditionsYield
In benzene at 20℃;98%
allylisocyanate
1476-23-9

allylisocyanate

cytisine
485-35-8

cytisine

N-allylcytisine-11-carbamide
449797-68-6

N-allylcytisine-11-carbamide

Conditions
ConditionsYield
In benzene at 20℃;98%
Chloroiodomethane
593-71-5

Chloroiodomethane

allylisocyanate
1476-23-9

allylisocyanate

N-(chloroacetyl)allylamine
13269-97-1

N-(chloroacetyl)allylamine

Conditions
ConditionsYield
With methyllithium lithium bromide In diethyl ether at -78℃;98%
With methyllithium; lithium bromide In diethyl ether at -78℃; for 1h; chemoselective reaction;98%
1-methyl-4-(3-methylpyridin-2-yl)isatin

1-methyl-4-(3-methylpyridin-2-yl)isatin

allylisocyanate
1476-23-9

allylisocyanate

C17H17N3O

C17H17N3O

Conditions
ConditionsYield
With chloro(1,5-cyclooctadiene)rhodium(I) dimer; triphenyl-arsane In 1,4-dioxane at 160℃; chemoselective reaction;98%
allylisocyanate
1476-23-9

allylisocyanate

2-(3-amino-4-hydroxyphenyl)-7-methyl-5,6,7,8-tetrahydroimidazo<1,2-a>pyridine
141244-37-3

2-(3-amino-4-hydroxyphenyl)-7-methyl-5,6,7,8-tetrahydroimidazo<1,2-a>pyridine

1-Allyl-3-[2-hydroxy-5-(7-methyl-5,6,7,8-tetrahydro-imidazo[1,2-a]pyridin-2-yl)-phenyl]-urea
141244-46-4

1-Allyl-3-[2-hydroxy-5-(7-methyl-5,6,7,8-tetrahydro-imidazo[1,2-a]pyridin-2-yl)-phenyl]-urea

Conditions
ConditionsYield
In tetrahydrofuran; methanol for 2h; Ambient temperature;97%
N,O-bis(trimethylsilyl)hydroxylamine
22737-37-7

N,O-bis(trimethylsilyl)hydroxylamine

allylisocyanate
1476-23-9

allylisocyanate

C10H24N2O2Si2
126669-70-3

C10H24N2O2Si2

Conditions
ConditionsYield
at 50 - 60℃; for 3.5h;96%
4-((6,7-dimethoxyquinolin-4-yl)oxy)aniline
190728-25-7

4-((6,7-dimethoxyquinolin-4-yl)oxy)aniline

allylisocyanate
1476-23-9

allylisocyanate

N-Allyl-N'-{4-[(6,7-dimethoxy-4-quinolyl)oxy]phenyl}urea

N-Allyl-N'-{4-[(6,7-dimethoxy-4-quinolyl)oxy]phenyl}urea

Conditions
ConditionsYield
In water; N,N-dimethyl-formamide96%
allylisocyanate
1476-23-9

allylisocyanate

6-methylisocytosine
3977-29-5

6-methylisocytosine

1-(3-(6-methyl-4-oxo-1,4-dihydropyrimidin-2-yl)ureido)prop-2-ene
709028-38-6

1-(3-(6-methyl-4-oxo-1,4-dihydropyrimidin-2-yl)ureido)prop-2-ene

Conditions
ConditionsYield
In dimethyl sulfoxide at 170℃;96%
diphenylmethylpiperazine
841-77-0

diphenylmethylpiperazine

allylisocyanate
1476-23-9

allylisocyanate

N-allyl-4-(diphenylmethyl)piperazine-1-carboxamide
1349487-56-4

N-allyl-4-(diphenylmethyl)piperazine-1-carboxamide

Conditions
ConditionsYield
Stage #1: diphenylmethylpiperazine With triethylamine In dichloromethane for 0.166667h; Cooling with ice;
Stage #2: allylisocyanate In dichloromethane at 20℃;
96%
p-tolylhydrazine hydrochloride
637-60-5

p-tolylhydrazine hydrochloride

allylisocyanate
1476-23-9

allylisocyanate

C11H15N3O

C11H15N3O

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran at 20℃; for 7h;96%
Triethoxysilane
998-30-1

Triethoxysilane

allylisocyanate
1476-23-9

allylisocyanate

3-(triethoxypropyl) isocyanate
24801-88-5

3-(triethoxypropyl) isocyanate

Conditions
ConditionsYield
With platinum(0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex at 40 - 85℃; for 4.5h;95.7%
allylisocyanate
1476-23-9

allylisocyanate

O,O-diisopropyl hydrogen phosphorodithioate
107-56-2

O,O-diisopropyl hydrogen phosphorodithioate

O,O-diisopropyl-S-(N-allylcarbamoyl) dithiophosphate

O,O-diisopropyl-S-(N-allylcarbamoyl) dithiophosphate

Conditions
ConditionsYield
In tetrachloromethane95%

Allyl isocyanate Chemical Properties


IUPAC Name: 3-isocyanatoprop-1-ene 
Molecular Weight: 83.0886 g/mol
Molecular Formula: C4H5NO 
Density: 0.85 g/cm3
Boiling Point: 88 °C at 760 mmHg 
Flash Point: 43.3 °C
Storage temp.: 2-8 °C
Color: yellow
Sensitive: moisture sensitive
Molar Volume: 97.4 cm3
Polarizability: 9.79*10-24 cm3
Surface Tension: 29.3 dyne/cm  
Enthalpy of Vaporization: 32.82 kJ/mol
Vapour Pressure: 62.3 mmHg at 25 °C
XLogP3-AA: 1.8
H-Bond Acceptor: 2
Rotatable Bond Count: 2
Exact Mass: 83.037114
MonoIsotopic Mass: 83.037114
Topological Polar Surface Area: 29.4
Heavy Atom Count: 6
Complexity: 81.5
InChI: InChI=1S/C4H5NO/c1-2-3-5-4-6/h2H,1,3H2
InChIKey: HXBPYFMVGFDZFT-UHFFFAOYSA-N

Allyl isocyanate Toxicity Data With Reference

1.    

ivn-mus LD50:18 mg/kg

    CSLNX*    U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#03769 .

Allyl isocyanate Consensus Reports

Reported in EPA TSCA Inventory.

Allyl isocyanate Safety Profile

A poison. See also ALLYL COMPOUNDS and ESTERS. A flammable liquid. When heated to decomposition it emits toxic fumes of NOx.
Hazard Codes: HarmfulXn, ToxicT
Risk Statements: 36/37/38-42-34-23/24/25-10 
R36/37/38: Irritating to eyes, respiratory system and skin
R42: May cause sensitization by inhalation
R34: Causes burns
R23/24/25: Toxic by inhalation, in contact with skin and if swallowed
R10: Flammable
Safety Statements 23-26-36/37/39-45 
S23: Do not breathe vapour
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 the label whenever possible)
RIDADR: UN 3080 6.1/PG 2
WGK Germany: 3
RTECS: NQ8175000
F: 9-21-19
HazardClass: 3
PackingGroup: III

Allyl isocyanate Standards and Recommendations

DOT Classification:  6.1; Label: KEEP AWAY FROM FOOD (UN 2207); DOT Class: 6.1; Label: Poison (UN 2206); DOT Class: 6.1; Label: Poison, Flammable Liquid (UN 3080); DOT Class: 3; Label: Flammable Liquid, Poison (UN 2478)

Allyl isocyanate Specification

 Allyl isocyanate (CAS NO.1476-23-9) is also called 1-propene,3-isocyanato- ; 3-isocyanato-1-propen ; 3-isocyanato-1-Propene ; isocyanated'allyle ; isocyanicacid,allylester ; isocyanate isocyanate d'allyle ; 3-isocyanatoprop-1-ene .Allyl isocyanate (CAS NO.1476-23-9) is high toxic. It is flammable. It will produce toxic nitrogen oxide fumes when buring. So the storage environment should be ventilate, low-temperature and dry. Keep Allyl isocyanate (CAS NO.1476-23-9) separate from raw materials of food.

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