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Isocyanic acid 3,4-dichlorophenyl ester

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Origin: China

Cas No: 102-36-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Product Description

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CAS No.: 102-36-3 Formula: C7H3Cl2NO Molecular Weight: 188.01100

Description

3,4-Dichlorphenylisocyanate is a chemical compound used as a chemical intermediate and in organic synthesis. It is a solid, and ranges in colour from white to yellow. It is an irritant for tissues including eyes and mucous membranes, and inhalation of dust from the chemical is poisonous. It can be used industrially in the preparation of triclocarban by reaction with p-chloroaniline.
It is classified as an extremely hazardous substance in the United States as defined in Section 302 of the U.S. Emergency Planning and Community Right-to-Know Act (42 U.S.C. 11002), and is subject to strict reporting requirements by facilities which produce, store, or use it in significant quantities.

Basic Info

Chemical Name	Isocyanic acid 3,4-dichlorophenyl ester
Synonyms	3,4-DICHLOROPHENYLCARBIMIDE; 3,4-Dichlorophenyl isocyanate; DICHLOROPHENYL ISOCYANATES; dcpi; Phenylisocyanate,dichloro; Isocyanic acid 3,4-d; 1,2-dichloro-4-isocyanato-benzene; 3,4-Dichlorphenylisocyanat; 3,4-DCPI; 3,4-Dichlorfenylisokyanat; 3,4-Dichlorphenylisocyanate; Dichloroisocyanatobenzene; Isocyanic Acid 3,4-Dichlorophenyl Ester;
CAS No.	102-36-3
Molecular Formula	C7H3Cl2NO
Molecular Weight	188.01100
PSA	29.43000
LogP	2.96070

Properties

Appearance & Physical State	Clear waxy solid
Density	1.37g/cm3
Boiling Point	118-120ºC (18 mmHg)
Melting Point	40-43ºC
Flash Point	110ºC
Refractive Index	1.575
Water Solubility	decomposes
Stability	Stable under normal temperatures and pressures. Stable at room temperature in closed containers under normal storage and handling conditions.
Storage Condition	Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Vapor Pressure	0.2 mm Hg ( 20 °C)

Safety Info

RTECS	NQ8760000
Hazard Class	6.1
Safety Statements	S22-S26-S36/37/39-S45
HS Code	29291090
WGK Germany	2
Packing Group	II
RIDADR	UN 2250
Risk Statements	R23; R36/37/38; R42
Hazard Codes	T

Synthesis Route

bis(trichloromethyl) carbonate+3,4-Dichloroaniline→Isocyanic acid 3,4-dichlorophenyl ester
3,4-dichlorobenzoyl azide→Isocyanic acid 3,4-dichlorophenyl ester
phosgene+3,4-Dichloroaniline→Isocyanic acid 3,4-dichlorophenyl ester

Precursor

3,4-Dichloroaniline
Ethyl (3,4-dichlorophenyl)carbamate
3,4-dichlorobenzoyl azide
phosgene

Downstream Product

1,5-bis-(3,4-dichloro-phenyl)-3-methyl-biuret
diuron-desmethyl
diuron
linuron

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