Product Name

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  • Name

    Phenyl isocyanate

  • EINECS 203-137-6
  • CAS No. 103-71-9
  • Article Data460
  • CAS DataBase
  • Density 1 g/cm3
  • Solubility Decomposes in water
  • Melting Point -31.3 °C
  • Formula C7H5NO
  • Boiling Point 162-163 °C(lit.)
  • Molecular Weight 119.123
  • Flash Point 132 °F
  • Transport Information UN 2487 6.1/PG 1
  • Appearance Colourless to light yellow liquid with an acrid odour
  • Safety 26-28A-38-45
  • Risk Codes 22-26-36/37/38-42
  • Molecular Structure Molecular Structure of 103-71-9 (Phenyl isocyanate)
  • Hazard Symbols VeryT+
  • Synonyms Benzene, isocyanato-;Carbanil;Isocyanatobenzene;Mondur P;Phenyl carbonimide;Fenylisokyanat;Isocyanic acid, phenyl ester;Karbanil;
  • PSA 29.43000
  • LogP 1.65390

Synthetic route

benzoyl azide
582-61-6

benzoyl azide

phenyl isocyanate
103-71-9

phenyl isocyanate

Conditions
ConditionsYield
In dichloromethane Irradiation;100%
In acetonitrile for 16h; Inert atmosphere; Reflux;100%
With water for 5h; Inert atmosphere; UV-irradiation; Sealed tube; chemoselective reaction;95%
bis(trichloromethyl) carbonate
32315-10-9

bis(trichloromethyl) carbonate

aniline
62-53-3

aniline

phenyl isocyanate
103-71-9

phenyl isocyanate

Conditions
ConditionsYield
With triethylamine In dichloromethane100%
In ethyl acetate at 0 - 5℃; for 3h; Solvent; Cooling with ice; Reflux;89%
In chloroform at 20℃; for 1h; Cooling with ice;85%
N-carboethoxyaniline
101-99-5

N-carboethoxyaniline

phenyl isocyanate
103-71-9

phenyl isocyanate

Conditions
ConditionsYield
With Phenyltrichlorosilane at 100 - 180℃; for 1h;99%
With phosphorus pentoxide
With phosphorus pentoxide at 170℃; under 100 Torr; man fraktioniert das ueberdestillierte Phenylisocyanat;
2,3,5-triphenyl-4-thiazolone
18100-80-6

2,3,5-triphenyl-4-thiazolone

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

A

dimethyl 2,5-diphenylthiophene-3,4-dicarboxylate
20851-13-2

dimethyl 2,5-diphenylthiophene-3,4-dicarboxylate

B

phenyl isocyanate
103-71-9

phenyl isocyanate

Conditions
ConditionsYield
In xylene Heating;A 99%
B n/a
phosgene
75-44-5

phosgene

aniline
62-53-3

aniline

phenyl isocyanate
103-71-9

phenyl isocyanate

Conditions
ConditionsYield
In toluene at -5 - 75℃; Solvent;98%
Stage #1: phosgene; n-butyl isocyanide In chlorobenzene at 81℃; for 2.33333h;
Stage #2: aniline In chlorobenzene at 81 - 88℃; for 1h;
76%
With 1-Chloronaphthalene at 230 - 240℃; unter Durchleiten durch ein Porzellanrohr;
2-dimethylamino-5-(4-nitro-phenyl)-4-oxo-3-phenyl-4,5-dihydro-thiazolium betaine
66702-57-6

2-dimethylamino-5-(4-nitro-phenyl)-4-oxo-3-phenyl-4,5-dihydro-thiazolium betaine

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

A

phenyl isocyanate
103-71-9

phenyl isocyanate

B

2-Dimethylamino-5-(4-nitro-phenyl)-thiophene-3,4-dicarboxylic acid dimethyl ester
85013-66-7

2-Dimethylamino-5-(4-nitro-phenyl)-thiophene-3,4-dicarboxylic acid dimethyl ester

Conditions
ConditionsYield
In xylene Heating;A n/a
B 98%
2-cyano-5-(4-nitro-phenyl)-4-oxo-3-phenyl-4,5-dihydro-thiazolium betaine
66702-60-1

2-cyano-5-(4-nitro-phenyl)-4-oxo-3-phenyl-4,5-dihydro-thiazolium betaine

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

A

phenyl isocyanate
103-71-9

phenyl isocyanate

B

2-Cyano-5-(4-nitro-phenyl)-thiophene-3,4-dicarboxylic acid dimethyl ester
85013-63-4

2-Cyano-5-(4-nitro-phenyl)-thiophene-3,4-dicarboxylic acid dimethyl ester

Conditions
ConditionsYield
In xylene Heating;A n/a
B 98%
5-(4-nitro-phenyl)-4-oxo-2,3-diphenyl-4,5-dihydro-thiazolium betaine
59208-07-0

5-(4-nitro-phenyl)-4-oxo-2,3-diphenyl-4,5-dihydro-thiazolium betaine

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

A

phenyl isocyanate
103-71-9

phenyl isocyanate

B

2-(4-Nitro-phenyl)-5-phenyl-thiophene-3,4-dicarboxylic acid dimethyl ester
59086-14-5

2-(4-Nitro-phenyl)-5-phenyl-thiophene-3,4-dicarboxylic acid dimethyl ester

Conditions
ConditionsYield
In xylene Heating;A n/a
B 97%
phenyl isothiocyanate
103-72-0

phenyl isothiocyanate

phenyl isocyanate
103-71-9

phenyl isocyanate

Conditions
ConditionsYield
With air; palladium dichloride In 1,4-dioxane Heating;96%
With mercury(II) oxide at 170℃;
Multi-step reaction with 3 steps
1: sodium hydride / 5,5-dimethyl-1,3-cyclohexadiene; mineral oil / 2 h / 20 °C / Inert atmosphere
2: chloroform / 1 h / 20 °C
3: acetonitrile / 25 °C
View Scheme
carbamic acid phenyl ester
622-46-8

carbamic acid phenyl ester

phenyl isocyanate
103-71-9

phenyl isocyanate

Conditions
ConditionsYield
In chlorobenzene at 160 - 240℃; under 11251.1 Torr; for 1h; Pressure; Solvent; Temperature; Inert atmosphere; Green chemistry;94.9%
5-(4-nitro-phenyl)-4-oxo-3-phenyl-2-phenylsulfanyl-4,5-dihydro-thiazolium betaine
66702-58-7

5-(4-nitro-phenyl)-4-oxo-3-phenyl-2-phenylsulfanyl-4,5-dihydro-thiazolium betaine

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

A

phenyl isocyanate
103-71-9

phenyl isocyanate

B

2-(4-Nitro-phenyl)-5-phenylsulfanyl-thiophene-3,4-dicarboxylic acid dimethyl ester
85013-62-3

2-(4-Nitro-phenyl)-5-phenylsulfanyl-thiophene-3,4-dicarboxylic acid dimethyl ester

Conditions
ConditionsYield
In xylene Heating;A n/a
B 94%
5-benzyl-3,4-dihydro-4-oxo-1,2,3-triphenylpyrimidin-1-ium-6-olate
56409-80-4

5-benzyl-3,4-dihydro-4-oxo-1,2,3-triphenylpyrimidin-1-ium-6-olate

4-methoxyphenyl cyanate
2983-74-6

4-methoxyphenyl cyanate

A

phenyl isocyanate
103-71-9

phenyl isocyanate

B

5-Benzyl-6-(4-methoxy-phenoxy)-2,3-diphenyl-3H-pyrimidin-4-one
85037-41-8

5-Benzyl-6-(4-methoxy-phenoxy)-2,3-diphenyl-3H-pyrimidin-4-one

C

2,4,6-tris(4-methoxyphenoxy)-1,3,5-triazine
25940-64-1

2,4,6-tris(4-methoxyphenoxy)-1,3,5-triazine

Conditions
ConditionsYield
In chlorobenzene for 29h; Heating;A n/a
B 93%
C n/a
3,3-Dimethyl-1-phenyl-2-azetidinone
27983-93-3

3,3-Dimethyl-1-phenyl-2-azetidinone

A

phenyl isocyanate
103-71-9

phenyl isocyanate

B

isobutene
115-11-7

isobutene

Conditions
ConditionsYield
at 750℃; under 0.002 Torr;A 93%
B n/a
benzaldehyde
100-52-7

benzaldehyde

phenyl isocyanate
103-71-9

phenyl isocyanate

Conditions
ConditionsYield
In chloroform at 60℃; for 18h;92%
5-benzyl-3,4-dihydro-4-oxo-1,2,3-triphenylpyrimidin-1-ium-6-olate
56409-80-4

5-benzyl-3,4-dihydro-4-oxo-1,2,3-triphenylpyrimidin-1-ium-6-olate

phenyl cyanate
1122-85-6

phenyl cyanate

A

2,4,6-triphenoxy-1,3,5-triazine
1919-48-8

2,4,6-triphenoxy-1,3,5-triazine

B

phenyl isocyanate
103-71-9

phenyl isocyanate

C

5-Benzyl-6-phenoxy-2,3-diphenyl-3H-pyrimidin-4-one
85037-39-4

5-Benzyl-6-phenoxy-2,3-diphenyl-3H-pyrimidin-4-one

Conditions
ConditionsYield
In chlorobenzene for 18h; Heating;A n/a
B n/a
C 92%
2-cyano-4-oxo-3,5-diphenyl-4,5-dihydro-thiazolium betaine
61522-23-4

2-cyano-4-oxo-3,5-diphenyl-4,5-dihydro-thiazolium betaine

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

A

phenyl isocyanate
103-71-9

phenyl isocyanate

B

2-Cyano-5-phenyl-thiophene-3,4-dicarboxylic acid dimethyl ester
85013-64-5

2-Cyano-5-phenyl-thiophene-3,4-dicarboxylic acid dimethyl ester

Conditions
ConditionsYield
In xylene Heating;A n/a
B 92%
4-Methyl-3,5-dioxo-2,6-diphenyl-2,6-diazabicyclo<2.2.2>oct-7-en-7-carbonsaeure-methylester

4-Methyl-3,5-dioxo-2,6-diphenyl-2,6-diazabicyclo<2.2.2>oct-7-en-7-carbonsaeure-methylester

A

phenyl isocyanate
103-71-9

phenyl isocyanate

B

1,2-Dihydro-3-methyl-2-oxo-1-phenyl-5-pyridincarbonsaeure-methylester

1,2-Dihydro-3-methyl-2-oxo-1-phenyl-5-pyridincarbonsaeure-methylester

Conditions
ConditionsYield
at 220℃; for 0.166667h;A n/a
B 92%
4-Benzyl-7,8-bis(diethylamino)-2,6-diphenyl-2,6-diazabicyclo<2.2.2>oct-7-en-3,5-dion

4-Benzyl-7,8-bis(diethylamino)-2,6-diphenyl-2,6-diazabicyclo<2.2.2>oct-7-en-3,5-dion

A

phenyl isocyanate
103-71-9

phenyl isocyanate

B

3-Benzyl-4,5-bis(diethylamino)-1-phenyl-2(1H)-pyridinon

3-Benzyl-4,5-bis(diethylamino)-1-phenyl-2(1H)-pyridinon

Conditions
ConditionsYield
at 150℃; for 0.166667h;A n/a
B 92%
N-phenyl methyl carbamate
2603-10-3

N-phenyl methyl carbamate

phenyl isocyanate
103-71-9

phenyl isocyanate

Conditions
ConditionsYield
With Phenyltrichlorosilane at 85 - 184℃; for 1h;90.8%
With phosphorus pentachloride at 120 - 140℃; for 3h;68%
With boron trichloride; triethylamine In benzene for 0.5h; Heating;93 % Chromat.
carbon monoxide
201230-82-2

carbon monoxide

nitrobenzene
98-95-3

nitrobenzene

phenyl isocyanate
103-71-9

phenyl isocyanate

Conditions
ConditionsYield
With pyridine; di(rhodium)tetracarbonyl dichloride; pyridine hydrochloride In chlorobenzene at 205℃; under 50 Torr; for 1h;90%
With di(rhodium)tetracarbonyl dichloride; pyridine hydrochloride In chlorobenzene at 190℃; under 38000 Torr; for 1h;80%
Stage #1: nitrobenzene at 120℃; under 75007.5 Torr; for 4h; Inert atmosphere; Autoclave;
Stage #2: carbon monoxide Catalytic behavior; Temperature; Reagent/catalyst; Inert atmosphere; Autoclave;
72.2%
C16H16N4OS2
109853-15-8

C16H16N4OS2

A

phenyl isocyanate
103-71-9

phenyl isocyanate

B

3-Mercapto-1-methyl-5-phenyl-1,2,4-triazol
13281-49-7

3-Mercapto-1-methyl-5-phenyl-1,2,4-triazol

Conditions
ConditionsYield
N-benzyl-N,N,N-triethylammonium chloride In sodium hydroxide; dichloromethane for 12h; Ambient temperature;A n/a
B 89%
bis(trimethylsilyl)benzohydroxamic acid
77219-88-6

bis(trimethylsilyl)benzohydroxamic acid

A

Hexamethyldisiloxane
107-46-0

Hexamethyldisiloxane

B

phenyl isocyanate
103-71-9

phenyl isocyanate

Conditions
ConditionsYield
at 120℃;A n/a
B 88%
N-(2,2-dimethyl-3-butynoyl)-N,N'-diphenylurea

N-(2,2-dimethyl-3-butynoyl)-N,N'-diphenylurea

A

phenyl isocyanate
103-71-9

phenyl isocyanate

B

2,2-dimethyl-N-phenyl-3-butynamide

2,2-dimethyl-N-phenyl-3-butynamide

Conditions
ConditionsYield
In benzene for 2h; Heating;A n/a
B 88%
1-phenylazetidin-2-one
5099-95-6

1-phenylazetidin-2-one

A

ethene
74-85-1

ethene

B

phenyl isocyanate
103-71-9

phenyl isocyanate

Conditions
ConditionsYield
at 750℃; under 0.002 Torr; Mechanism; regioselectivity, other substituted 1-phenylazetidin-2-ones, var. temp.;A n/a
B 88%
at 750℃; under 0.002 Torr;A n/a
B 88%
di-tert-butyl tricarbonate
24424-95-1

di-tert-butyl tricarbonate

aniline
62-53-3

aniline

phenyl isocyanate
103-71-9

phenyl isocyanate

Conditions
ConditionsYield
In dichloromethane for 0.0833333h; Ambient temperature;87%
Benzohydroxamic acid
495-18-1

Benzohydroxamic acid

phenyl isocyanate
103-71-9

phenyl isocyanate

Conditions
ConditionsYield
With Phenyltrichlorosilane at 55 - 197℃; for 2h;86%
With Phenyltrichlorosilane at 55 - 197℃; for 2h; Product distribution; var. silanes, var. time, var. temp.;86%
With Phenyltrichlorosilane at 100 - 130℃; for 2h;81.9%
N-Benzoyl-N,O-bis(trimethylsilyl)hydroxylamine
67723-48-2

N-Benzoyl-N,O-bis(trimethylsilyl)hydroxylamine

A

N-phenyl-N'-benzoylurea
1821-33-6

N-phenyl-N'-benzoylurea

B

phenyl isocyanate
103-71-9

phenyl isocyanate

Conditions
ConditionsYield
In decalin at 160℃; for 0.0833333h;A 5.7%
B 86%
acid sodium salt of benzohydroxamic acid
22513-32-2

acid sodium salt of benzohydroxamic acid

phenyl isocyanate
103-71-9

phenyl isocyanate

Conditions
ConditionsYield
With Phenyltrichlorosilane at 130 - 140℃; for 2h;86%
With Phenyltrichlorosilane at 130 - 140℃; for 2h;85.8%
4-Methyl-3,5-dioxo-2,6-diphenyl-2,6-diazabicyclo<2.2.2>oct-7-en-7,8-dicarbonsaeure-dimethylester

4-Methyl-3,5-dioxo-2,6-diphenyl-2,6-diazabicyclo<2.2.2>oct-7-en-7,8-dicarbonsaeure-dimethylester

A

phenyl isocyanate
103-71-9

phenyl isocyanate

B

1,2-Dihydro-3-methyl-2-oxo-1-phenyl-4,5-pyridindicarbonsaeure-dimethylester

1,2-Dihydro-3-methyl-2-oxo-1-phenyl-4,5-pyridindicarbonsaeure-dimethylester

Conditions
ConditionsYield
at 220℃; for 0.166667h;A n/a
B 85%
morpholine
110-91-8

morpholine

phenyl isocyanate
103-71-9

phenyl isocyanate

N-phenylmorpholine-4-carboxamide
4559-92-6

N-phenylmorpholine-4-carboxamide

Conditions
ConditionsYield
at 0 - 20℃; for 48.3333h;100%
In diethyl ether at 20℃; for 18h;99.2%
In diethyl ether at 20℃; for 0.75h; Addition;97%
1H-imidazole
288-32-4

1H-imidazole

phenyl isocyanate
103-71-9

phenyl isocyanate

N-phenyl-1H-imidazole-1-carboxamide
33876-94-7

N-phenyl-1H-imidazole-1-carboxamide

Conditions
ConditionsYield
In dichloromethane at 20℃; for 1h;100%
In 1,4-dioxane at 0 - 20℃;87%
In diethyl ether for 3h; Heating;84%
tryptamine
61-54-1

tryptamine

phenyl isocyanate
103-71-9

phenyl isocyanate

N-[2-(1H-indol-3-yl)ethyl]-N'-phenylurea
32585-51-6

N-[2-(1H-indol-3-yl)ethyl]-N'-phenylurea

Conditions
ConditionsYield
Stage #1: tryptamine; phenyl isocyanate In dichloromethane at 60℃;
Stage #2: With isatoic anhydride-N-(CH2)3-C8F17 In dichloromethane at 60℃; for 2.5h;
100%
In dichloromethane at 60℃; for 5h; Inert atmosphere; Sealed reaction vessel;98%
1-(2-pyridyl)piperazine
34803-66-2

1-(2-pyridyl)piperazine

phenyl isocyanate
103-71-9

phenyl isocyanate

4-[2]pyridyl-piperazine-1-carboxylic acid anilide

4-[2]pyridyl-piperazine-1-carboxylic acid anilide

Conditions
ConditionsYield
Stage #1: 1-(2-pyridyl)piperazine; phenyl isocyanate In dichloromethane at 60℃;
Stage #2: With isatoic anhydride-N-(CH2)3-C8F17 In dichloromethane at 60℃; for 2.5h;
100%
methanol
67-56-1

methanol

phenyl isocyanate
103-71-9

phenyl isocyanate

N-phenyl methyl carbamate
2603-10-3

N-phenyl methyl carbamate

Conditions
ConditionsYield
With cerium(IV) oxide; carbon dioxide at 170℃; under 30003 Torr; for 12h; Inert atmosphere; Autoclave;100%
With dibutyltin dilaurate at 50℃; for 3h;100%
at 80℃; for 0.5h; Inert atmosphere;98%
phenyl isocyanate
103-71-9

phenyl isocyanate

3-methyl-2-buten-1-ol
556-82-1

3-methyl-2-buten-1-ol

3-methylbut-2-en-1-yl phenylcarbamate
105902-61-2

3-methylbut-2-en-1-yl phenylcarbamate

Conditions
ConditionsYield
In acetonitrile at 70℃; for 23h; Inert atmosphere;100%
With triethylamine In dichloromethane at 20℃; Inert atmosphere;88%
With triethylamine In dichloromethane at 20℃;88%
(-)-menthol
2216-51-5

(-)-menthol

phenyl isocyanate
103-71-9

phenyl isocyanate

phenylcarbamic acid (1R,2S,5R)-2-isopropyl-5-methylcyclohexyl ester
637336-84-6

phenylcarbamic acid (1R,2S,5R)-2-isopropyl-5-methylcyclohexyl ester

Conditions
ConditionsYield
With MoCl2O2(dmf)2 In dichloromethane at 20℃; for 0.333333h;100%
With MoCl2O2(dmf)2 In dichloromethane at 20℃; for 0.333333h; Reagent/catalyst; Inert atmosphere; Sealed tube;100%
phenyl isocyanate
103-71-9

phenyl isocyanate

propargyl alcohol
107-19-7

propargyl alcohol

2-propynyl phenylcarbamate
5416-67-1

2-propynyl phenylcarbamate

Conditions
ConditionsYield
With dmap; triethylamine In tetrahydrofuran at 20℃; for 90h;100%
With MoCl2O2(dmf)2 In dichloromethane at 20℃; for 0.333333h;100%
With MoCl2O2(dmf)2 In dichloromethane at 20℃; for 0.333333h; Inert atmosphere; Sealed tube;100%
phenyl isocyanate
103-71-9

phenyl isocyanate

N-butylamine
109-73-9

N-butylamine

N-butyl-N'-phenylurea
3083-88-3

N-butyl-N'-phenylurea

Conditions
ConditionsYield
Stage #1: phenyl isocyanate; N-butylamine In dichloromethane at 60℃;
Stage #2: With isatoic anhydride-N-(CH2)3-C8F17 In dichloromethane at 60℃; for 2.5h;
100%
at 20℃;98%
In hexane at 25℃; Cooling with ice;98%
phenyl isocyanate
103-71-9

phenyl isocyanate

aniline
62-53-3

aniline

bis(diphenyl)urea
102-07-8

bis(diphenyl)urea

Conditions
ConditionsYield
With triethylamine In dichloromethane100%
In acetic acid for 0.0833333h;98%
In hexane95%
phenyl isocyanate
103-71-9

phenyl isocyanate

4-Ethoxyaniline
156-43-4

4-Ethoxyaniline

1-(4-ethoxy-phenyl)-3-phenyl urea
4345-85-1

1-(4-ethoxy-phenyl)-3-phenyl urea

Conditions
ConditionsYield
In tetrahydrofuran for 0.166667h;100%
With diethyl ether
phenyl isocyanate
103-71-9

phenyl isocyanate

2-methyl-but-3-yn-2-ol
115-19-5

2-methyl-but-3-yn-2-ol

O-α,α-dimethylpropargyl N-phenylcarbamate
6289-19-6

O-α,α-dimethylpropargyl N-phenylcarbamate

Conditions
ConditionsYield
With MoCl2O2(dmf)2 In dichloromethane at 20℃; for 0.333333h;100%
With triethylamine In tetrahydrofuran at 70℃; for 12h; Inert atmosphere;94%
With dmap; triethylamine In tetrahydrofuran at 20℃; for 90h;88%
phenyl isocyanate
103-71-9

phenyl isocyanate

para-methylbenzylamine
104-84-7

para-methylbenzylamine

N-(4-methylbenzyl)-N’-phenylurea
35305-46-5

N-(4-methylbenzyl)-N’-phenylurea

Conditions
ConditionsYield
Stage #1: phenyl isocyanate; para-methylbenzylamine In dichloromethane at 60℃;
Stage #2: With isatoic anhydride-N-(CH2)3-C8F17 In dichloromethane at 60℃; for 2.5h;
100%
phenyl isocyanate
103-71-9

phenyl isocyanate

butan-1-ol
71-36-3

butan-1-ol

N-phenyl-carbamic acid butyl ester
1538-74-5

N-phenyl-carbamic acid butyl ester

Conditions
ConditionsYield
chlorodi-(n-butyl)tin acetate In chloroform for 0.833333h; Product distribution; Mechanism; Ambient temperature; catalytic activity, various tin(IV) catalysts;100%
chlorodi-(n-butyl)tin acetate In chloroform for 0.833333h; Ambient temperature;100%
With diallyltin(IV)di(2-ethyl hexanoate) In dichloromethane for 0.0833333h; Product distribution; Heating; other alcohols and isocyanates; var. temp. and time;93%
phenyl isocyanate
103-71-9

phenyl isocyanate

phenol
108-95-2

phenol

phenyl N-phenylcarbamate
4930-03-4

phenyl N-phenylcarbamate

Conditions
ConditionsYield
at 20℃; for 2h;100%
With cesium fluoride93.1%
With triethylamine In acetonitrile for 24.5h; Esterification;89%
phenyl isocyanate
103-71-9

phenyl isocyanate

triphenyl isocyanurate
1785-02-0

triphenyl isocyanurate

Conditions
ConditionsYield
With triethylamine In dichloromethane at 70℃; under 6000480 Torr; for 20h;100%
With sodium nitrite for 0.166667h; Cyclization; microwave irradiation;99%
With 1,3-bis(2,6-diisopropylphenyl)dihydroimidazol-2-ylidene In tetrahydrofuran at 20℃; for 1h;99%
1-methyl-1-benzoylhydrazine
1483-24-5

1-methyl-1-benzoylhydrazine

phenyl isocyanate
103-71-9

phenyl isocyanate

1-Benzoyl-1-methyl-4-phenylsemicarbazid
13136-26-0

1-Benzoyl-1-methyl-4-phenylsemicarbazid

Conditions
ConditionsYield
In tetrahydrofuran Heating;100%
In diethyl ether
In ethanol
phenyl isocyanate
103-71-9

phenyl isocyanate

1-Ethynyl-1-cyclohexanol
78-27-3

1-Ethynyl-1-cyclohexanol

1-ethynylcyclohexyl phenylcarbamate
73623-16-2

1-ethynylcyclohexyl phenylcarbamate

Conditions
ConditionsYield
With dmap; triethylamine In tetrahydrofuran at 20℃; for 90h;100%
In 1,2-dichloro-ethane at 20℃; for 16h;82%
With 1-methyl-pyrrolidin-2-one
phenyl isocyanate
103-71-9

phenyl isocyanate

1-Ethynylcyclohexylamine
30389-18-5

1-Ethynylcyclohexylamine

1-(1-ethynylcyclohexyl)-3-phenylurea
42785-83-1

1-(1-ethynylcyclohexyl)-3-phenylurea

Conditions
ConditionsYield
In tetrahydrofuran at 20℃;100%
In diethyl ether
phenyl isocyanate
103-71-9

phenyl isocyanate

2,2'-iminobis[ethanol]
111-42-2

2,2'-iminobis[ethanol]

1,1-[Di-(2-hydroxyethyl)]-3-phenylurea
20074-78-6

1,1-[Di-(2-hydroxyethyl)]-3-phenylurea

Conditions
ConditionsYield
In dichloromethane100%
In benzene
In dichloromethane; toluene at 20℃;
In dichloromethane at 20℃; for 0.0166667h; Inert atmosphere;1.14 g
(+/-)-2-methyloxetane
2167-39-7

(+/-)-2-methyloxetane

phenyl isocyanate
103-71-9

phenyl isocyanate

6-methyl-3-phenyl-1,3-oxazinan-2-one
99855-05-7

6-methyl-3-phenyl-1,3-oxazinan-2-one

Conditions
ConditionsYield
With N,N,N,N,N,N-hexamethylphosphoric triamide; diphenyltin diiodide at 80℃; for 3h; sealed tube;100%
With tetraphenyl stibonium iodide In tetrahydrofuran at 60℃; for 23h;27%
ethyloxirane
106-88-7

ethyloxirane

phenyl isocyanate
103-71-9

phenyl isocyanate

4-ethyl-3-phenyl-1,3-oxazolidine-2-one
105873-71-0

4-ethyl-3-phenyl-1,3-oxazolidine-2-one

Conditions
ConditionsYield
With tetraphenyl stibonium iodide In dichloromethane at 40℃;100%
tetraphenyl stibonium iodide In dichloromethane at 45℃; for 1h;100%
tetraphenyl stibonium iodide In dichloromethane at 45℃; for 1h; Heating;84%
propan-1-ol
71-23-8

propan-1-ol

phenyl isocyanate
103-71-9

phenyl isocyanate

1-propyl (4-methylphenyl)carbamate
63379-16-8

1-propyl (4-methylphenyl)carbamate

Conditions
ConditionsYield
In pyridine; ethyl acetate100%
hycanthone
3105-97-3

hycanthone

phenyl isocyanate
103-71-9

phenyl isocyanate

hycanthone N-phenylcarbamate
3612-74-6

hycanthone N-phenylcarbamate

Conditions
ConditionsYield
In dichloromethane100%
1-methyl-6-methylsulfanyl-1,2,3,4-tetrahydro-pyridine
25355-53-7

1-methyl-6-methylsulfanyl-1,2,3,4-tetrahydro-pyridine

phenyl isocyanate
103-71-9

phenyl isocyanate

1-Methyl-2-methylsulfanyl-1,4,5,6-tetrahydro-pyridine-3-carboxylic acid phenylamide
81197-49-1

1-Methyl-2-methylsulfanyl-1,4,5,6-tetrahydro-pyridine-3-carboxylic acid phenylamide

Conditions
ConditionsYield
In diethyl ether Ambient temperature;100%
In diethyl ether for 4h; Ambient temperature; Yield given;
pentan-1-ol
71-41-0

pentan-1-ol

phenyl isocyanate
103-71-9

phenyl isocyanate

pentyl N-phenyl-carbamate
63075-06-9

pentyl N-phenyl-carbamate

Conditions
ConditionsYield
for 1h;100%
for 1h; Heating;100%
at 20℃;92%
2-(trimethylsilyloxy)ethanamine
5804-92-2

2-(trimethylsilyloxy)ethanamine

phenyl isocyanate
103-71-9

phenyl isocyanate

1-phenyl-3-<2-(trimethylsiloxy)ethyl>urea

1-phenyl-3-<2-(trimethylsiloxy)ethyl>urea

Conditions
ConditionsYield
100%
Methyl 3-mercaptopropionate
2935-90-2

Methyl 3-mercaptopropionate

phenyl isocyanate
103-71-9

phenyl isocyanate

3-(N-Phenylcarbamoylmercapto)-propionsaeuremethylester
77585-81-0

3-(N-Phenylcarbamoylmercapto)-propionsaeuremethylester

Conditions
ConditionsYield
With N-benzyl-trimethylammonium hydroxide In diethyl ether at 40℃; for 0.5h;100%
1-benzoyl-2-methylhydrazine
1660-24-8

1-benzoyl-2-methylhydrazine

phenyl isocyanate
103-71-9

phenyl isocyanate

1-Benzoyl-2-methyl-4-phenylsemicarbazid
77919-29-0

1-Benzoyl-2-methyl-4-phenylsemicarbazid

Conditions
ConditionsYield
In tetrahydrofuran Heating;100%

Phenyl isocyanate Consensus Reports

 Reported in EPA TSCA Inventory.

Phenyl isocyanate Standards and Recommendations

DOT Classification:  6.1; Label: Poison; DOT Class: 6.1; Label: Poison, Flammable Liquid; DOT Class: 3; Label: Flammable Liquid, Poison

Phenyl isocyanate Specification

The Phenyl isocyanate with CAS registry number of 103-71-9 is also known as Benzene, isocyanato-. The IUPAC name is Isocyanatobenzene. It belongs to product categories of Organics; Derivatization Reagents; Derivatization Reagents HPLC; UV-VIS; Isocyanates; Nitrogen Compounds; Organic Building Blocks. Its EINECS registry number is 203-137-6. In addition, the formula is C7H5NO and the molecular weight is 119.13. This chemical is a colourless to light yellow liquid with an acrid odour that soluble in benzene, toluene, chloroform but decomposed in water and alcohol. It at low levels can cause damage to health that may destroy living tissue on contact and it should be sealed in ventilate, cool, dry place away from fire, heat.

Physical properties about Phenyl isocyanate are: (1)ACD/LogP: 2.58; (2)ACD/LogD (pH 5.5): 2.58; (3)ACD/LogD (pH 7.4): 2.58; (4)ACD/BCF (pH 5.5): 54.01; (5)ACD/BCF (pH 7.4): 54.01; (6)ACD/KOC (pH 5.5): 604.92; (7)ACD/KOC (pH 7.4): 604.92; (8)#H bond acceptors: 2; (9)#Freely Rotating Bonds: 1; (10)Index of Refraction: 1.522; (11)Molar Refractivity: 36.15 cm3; (12)Molar Volume: 118.4 cm3; (13)Surface Tension: 38.6 dyne/cm; (14)Density: 1 g/cm3; (15)Flash Point: 55.6 °C; (16)Enthalpy of Vaporization: 39.95 kJ/mol; (17)Boiling Point: 163 °C at 760 mmHg; (18)Vapour Pressure: 2.11 mmHg at 25 °C.

Preparation of Phenyl isocyanate: it is prepared by reaction of nitrobenzene with carbon monoxide. The reaction needs reagents Py, PyHCl and solvent chlorobenzene at the temperature of 205 °C for 1 hour. The yield is about 90%.

Phenyl isocyanate is prepared by reaction of nitrobenzene with carbon monoxide.

Uses of Phenyl isocyanate: it is used to produce 1-anilino-5,6-dihydro-6,6-dimethyl-3-phenylimino-4-cyano-8H-pyrano[3,4-c]pyran by reaction with (2,2-dimethyl-tetrahydro-pyran-4-ylidene)-malononitrile. The reaction occurs with reagent triethylamine and solvent dimethylformamide at 60 °C for 48 hours. The yield is about 35%.

Phenyl isocyanate is used to produce 1-anilino-5,6-dihydro-6,6-dimethyl-3-phenylimino-4-cyano-8H-pyrano[3,4-c]pyran by reaction with (2,2-dimethyl-tetrahydro-pyran-4-ylidene)-malononitrile.

When you are using this chemical, please be cautious about it. As a chemical, it is irritating to eyes, respiratory system and skin. Furthermore, it is harmful if swallowed, very toxic by inhalation and even may cause sensitisation by inhalation. It is harmful to aquatic organisms and it is flammable that may cause burns. During using it, wear suitable protective clothing, gloves and eye/face protection. Keep away from sources of ignition. After contact with skin, wash immediately. If contact with eyes accidently, rinse immediately with plenty of water and seek medical advice. In case of accident or if you feel unwell seek medical advice immediately. Because of insufficient ventilation wear suitable respiratory equipment.

You can still convert the following datas into molecular structure:
1. Canonical SMILES: C1=CC=C(C=C1)N=C=O
2. InChI: InChI=1S/C7H5NO/c9-6-8-7-4-2-1-3-5-7/h1-5H
3. InChIKey: DGTNSSLYPYDJGL-UHFFFAOYSA-N

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 50mg/kg (50mg/kg) SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

LUNGS, THORAX, OR RESPIRATION: CYANOSIS
National Technical Information Service. Vol. OTS0528337,
mouse LD50 oral 196mg/kg (196mg/kg)   Ecotoxicology and Environmental Safety. Vol. 17, Pg. 258, 1989.
mouse LD50 subcutaneous 1400mg/kg (1400mg/kg)   Gekkan Yakuji. Pharmaceuticals Monthly. Vol. 9, Pg. 759, 1967.
rabbit LD50 skin 7130mg/kg (7130mg/kg)   Toxicology and Applied Pharmacology. Vol. 42, Pg. 417, 1977.
rat LC50 inhalation 22mg/m3/4H (22mg/m3) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA

LUNGS, THORAX, OR RESPIRATION: CYANOSIS
National Technical Information Service. Vol. OTS0530489,
rat LD50 intraperitoneal 100mg/kg (100mg/kg) SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: TREMOR
National Technical Information Service. Vol. OTS0528337,
rat LD50 oral 800mg/kg (800mg/kg) SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)
National Technical Information Service. Vol. OTS0528337,
rat LD50 skin 5mL/kg (5mL/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: AGGRESSION

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
National Technical Information Service. Vol. OTS0528430,

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