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Home >  Chemical Encyclopedia > Biochemicals and Pharmaceutical Chemicals > Pharmaceutical Intermediates > 2,4-dichlorophenol
120-83-2 structure, C6H4Cl2O
2,4-dichlorophenol
CAS No.: 120-83-2 Formula: C6H4Cl2O Molecular Weight: 163.00100
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120-83-2 structure, C6H4Cl2O

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120-83-2 structure, C6H4Cl2O

2,4-dichlorophenol

CAS No.:

120-83-2

 Formula:

C6H4Cl2O

 Molecular Weight: 163.00100
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Description

2,4-Dichlorophenol (2,4-DCP) is a chlorinated derivative of phenol with the molecular formula C6H4Cl2O. 2,4-DCP is used primarily as an intermediate in the preparation of the herbicide 2,4-dichlorophenoxyacetic acid (2,4-D). Annual worldwide production is estimated at 88 million pounds. It is also a photo-degradation product of the common antibacterial and antifungal agent triclosan along with the dioxin 2,8-dichlorodibenzo-p-dioxin.
Liquid (molten) 2,4-DCP is readily absorbed through the skin and contact with large amounts may be fatal. Solid 2,4-DCP does not readily absorb through skin and has a lower NFPA H=3 rating (versus H=4 for molten 2,4-DCP). This is primarily caused by instantaneous renal failure, liver damage and various other organ failure.

Numbering system

MDL number MFCD00002169
RTECS number SK8575000
BRN number 742467
EINECS number 204-429-6
PubChem number 24849305

Properties

Appearance & Physical State

 white to off-white crystalline solid

Density

 1.383

Boiling Point

 209-210ºC

Melting Point

 41-44ºC

Flash Point

 113ºC

Water Solubility

 4.5 g/L (20 ºC)

Stability

 Stable under normal temperatures and pressures.

Storage Condition

 2-8ºC

Vapor Pressure

 0.136mmHg at 25°C

Safety Info

RTECS

 SK8575000

Hazard Class

 6.1

Safety Statements

 S26-S36/37/39-S45-S61

HS Code

 29081000

WGK Germany

 3

Packing Group

 III

RIDADR

 UN 2021/2928

Risk Statements

 R22; R24; R34; R51/53

Hazard Codes

 T
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Precursor:
(2,4-dichlorophenyl) benzoate prothiofos 2,4-DICHLOROPHENOL ACETATE 2,4-D 2-chlorophenol 2,4-Dichlorophenylboronic acid 4-Chlorophenol 2,4-Dichloroanisole 2,4-dichlorophenol-TMS phenol
Product:
2,4-Dichloro-1-(2-nitrophenoxy)benzene 1-(4-BROMOBUTOXY)-2,4-DICHLOROBENZENE 2-(2,4-DICHLOROPHENOXY)ACETONITRILE 2,4-dichlorobenzoic acid 2-Amino-4,6-dichlorophenol 1-(3,5-dichloro-2-hydroxyphenyl)ethanone cyclohexanol Cyclohexanone benzene-1,2,4-triol phenol
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Compound Synonyms: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1 2 3 4 5 6 7 8 9

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