ChemicalBook > CAS DataBase List > 4-Chlorophenyl isocyanate

4-Chlorophenyl isocyanate

Product Name
4-Chlorophenyl isocyanate
CAS No.
104-12-1
Chemical Name
4-Chlorophenyl isocyanate
Synonyms
1-Chloro-4-isocyanatobenzene;P-CHLOROPHENYL ISOCYANATE;PCPI;4-Chlorphenylisocyanate;PARA CHLOROPHENYL ISOCYANATE;pcic;4-Chlorophenyl isocy;p-Chlorfenylisokyanat;4-Chlorphenylisocyanat;chlorophenylisocyanate
CBNumber
CB6680525
Molecular Formula
C7H4ClNO
Formula Weight
153.57
MOL File
104-12-1.mol
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4-Chlorophenyl isocyanate Property

Melting point:
26-29 °C (lit.)
Boiling point:
203-204 °C (lit.)
Density 
1.2 g/mL at 25 °C (lit.)
vapor pressure 
30Pa at 20℃
refractive index 
n20/D 1.5618(lit.)
Flash point:
>230 °F
storage temp. 
2-8°C
solubility 
Chloroform (Slightly)
form 
Crystalline Solid
color 
White to yellow
Odor
sharp irritating odor
Water Solubility 
DECOMPOSES
Sensitive 
Moisture Sensitive/Lachrymatory
BRN 
386235
LogP
3.12 at 22℃
CAS DataBase Reference
104-12-1(CAS DataBase Reference)
NIST Chemistry Reference
Benzene, 1-chloro-4-isocyanato-(104-12-1)
EPA Substance Registry System
p-Chlorophenyl isocyanate (104-12-1)
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Safety

Hazard Codes 
T+,T,C
Risk Statements 
25-26-37/38-41-42-52/53
Safety Statements 
23-26-28-36/37/39-45-61-38-37/39-28A-22
RIDADR 
UN 2811 6.1/PG 2
WGK Germany 
3
RTECS 
NQ8575000
F 
10-19-21
Hazard Note 
Toxic/Corrosive/Lachrymatory/Moisture Sensitive
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
II
HS Code 
29291090
Hazardous Substances Data
104-12-1(Hazardous Substances Data)
Toxicity
mammal (species unspecified),LC50,inhalation,53mg/m3 (53mg/m3),Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 11(4), Pg. 23, 1967.
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H301Toxic if swalloed

H315Causes skin irritation

H318Causes serious eye damage

H330Fatal if inhaled

H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

H335May cause respiratory irritation

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
152277
Product name
4-Chlorophenyl isocyanate
Purity
98%
Packaging
5g
Price
$54.2
Updated
2024/03/01
Sigma-Aldrich
Product number
152277
Product name
4-Chlorophenyl isocyanate
Purity
98%
Packaging
100g
Price
$116
Updated
2024/03/01
Alfa Aesar
Product number
A14966
Product name
4-Chlorophenyl isocyanate, 98%
Packaging
5g
Price
$21.65
Updated
2024/03/01
Alfa Aesar
Product number
A14966
Product name
4-Chlorophenyl isocyanate, 98%
Packaging
25g
Price
$41.65
Updated
2024/03/01
Alfa Aesar
Product number
A14966
Product name
4-Chlorophenyl isocyanate, 98%
Packaging
100g
Price
$104.65
Updated
2024/03/01
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4-Chlorophenyl isocyanate Chemical Properties,Usage,Production

Chemical Properties

white to yellow crystalline solid

Uses

4-Chlorophenyl isocyanate is used in the preparation of isothiocyanates. Aryl isocyanates undergo [2+2] cycloaddition reactions with dihydrofuran to give bicyclic ?-lactams in high yield.

Uses

4-Chlorophenyl isocyanate was used in the preparation of isothiocyanates.

Synthesis Reference(s)

The Journal of Organic Chemistry, 34, p. 3200, 1969 DOI: 10.1021/jo01262a089

General Description

Colorless to yellow liquid or crystals. Used as an intermediate in pesticide and pharmaceutical manufacture.

Reactivity Profile

Isocyanates and thioisocyanates are incompatible with many classes of compounds, reacting exothermically to release toxic gases. Reactions with amines, aldehydes, alcohols, alkali metals, ketones, mercaptans, strong oxidizers, hydrides, phenols, and peroxides can cause vigorous releases of heat. Acids and bases initiate polymerization reactions in these materials. Some isocyanates react with water to form amines and liberate carbon dioxide. Base-catalysed reactions of isocyanates with alcohols should be carried out in inert solvents. Such reactions in the absence of solvents often occur with explosive violence, [Wischmeyer(1969)].

Safety Profile

Poison by ingestion and inhalation. Unspecified human systemic effects. A severe eye and moderate skin irritant. A flammable liquid when exposed to heat or flame. Dangerous, can explode on distillation. When heated to decomposition it emits toxic fumes of Cl-, CN-, and NOx.

Purification Methods

Purify the isocyanate by recrystallisation from pet ether (b 30-40o) or better by fractional distillation. TOXIC irritant. [Beilstein 12 H 616, 12 III 1376, 12 IV 1213.]

4-Chlorophenyl isocyanate Preparation Products And Raw materials

Raw materials

PHOSGENE 4-Chloroaniline

Preparation Products

Diflubenzuron
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4-Chlorophenyl isocyanate Suppliers

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View Lastest Price from 4-Chlorophenyl isocyanate manufacturers

Hebei Chuanghai Biotechnology Co,.LTD
Product
4-Chlorophenyl isocyanate 104-12-1
Price
US $10.00/KG
Min. Order
1KG
Purity
99.%
Supply Ability
10 ton
Release date
2024-08-21
Henan Bao Enluo International TradeCo.，LTD
Product
4-Chlorophenyl isocyanate 104-12-1
Price
US $10.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
1000tons
Release date
2023-08-17
Henan Aochuang Chemical Co.,Ltd.
Product
4-Chlorophenyl isocyanate 104-12-1
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
1ton
Release date
2022-10-10

104-12-1, 4-Chlorophenyl isocyanateRelated Search:

Propyl isocyanate 3,5-Dichlorophenyl isocyanate Chlorosulfonyl isocyanate Chlorobenzene 1,3-Bis(isocyanatomethyl)benzene Benzyl isocyanate BENZOYL ISOCYANATE ISOCYANIC ACID Hexyl isocyanate Isocyanatocyclohexane Isocyanic acid 3,4-dichlorophenyl ester METHYLIDYNETRI-P-PHENYLENE TRIISOCYANATE ISOCYANATE Phenyl isocyanate 2,4-Dichlorophenyl isocyanate 4-CHLORO-2-(TRIFLUOROMETHYL)PHENYL ISOCYANATE 4-CHLORO-2-NITROPHENYL ISOCYANATE 2,4,6-TRICHLOROPHENYL ISOCYANATE

  • 1-chloro-4-isocyanato-benzen
  • 1-Chloro-4-isocyanatobenzene
  • 1-Chloro-4-isocyanato-benzene
  • 4-chloroisocyanatobenzene
  • 4-Chloro-iso-cyanatobenzene
  • 4-Chlorphenylisocyanate
  • benzene,1-chloro-4-isocyanato
  • Phenylisocyanate,4-chloro-
  • P-CHLOROPHENYL ISOCYANATE
  • PARA CHLOROPHENYL ISOCYANATE
  • ISOCYANIC ACID 4-CHLOROPHENYL ESTER
  • 4-ISOCYANATO CHLOROBENZENE
  • 4-CHLOROPHENYL ISOCYANATE
  • 4-Chlorphenylisocyanat
  • 4-Chlorobenzenisocyanate
  • P-CHLOROPHENYL ISOCYANATE (PCPI)
  • 4-Chlorophenyl isocyanate, 98% 100GR
  • 4-Chlorophenyl isocyanate, 98% 25GR
  • 4-Chlorophenyl isocyanate,98%
  • 4-Chlorophenyl isocyanate,pract.
  • 4-Chlorophenyl isocy
  • 4-Chlorophenyl isocyate
  • 4-Chlorophenyl isocyanate 98%
  • benzene,1-chloro-4-isocyanato-
  • chlorophenylisocyanate
  • chlorophenylisocyanate(non-specificname)
  • isoacyanicacid,p-chlorophenylester
  • Isocyanic acid, p-chlorophenyl ester
  • isocyanicacid,p-chlorophenylester
  • p-Chlorfenylisokyanat
  • p-chlorfenylisokyanat(czech)
  • pcic
  • PCPI
  • 4-ChlorophenylIsocyanate&gt
  • 104-12-1
  • 104-21-1
  • 203-176-9
  • 104-21-1
  • ClC6H4NCO
  • Organic Building Blocks
  • Isocyanates
  • Nitrogen Compounds
  • ARYL ISOCYANATE
  • Building Blocks
  • organic chemical
  • Building Blocks
  • Chemical Synthesis
  • Isocyanates
  • Nitrogen Compounds
  • Organic Building Blocks