ChemicalBook > CAS DataBase List > 3,4-Dichlorophenol

3,4-Dichlorophenol

Product Name
3,4-Dichlorophenol
CAS No.
95-77-2
Chemical Name
3,4-Dichlorophenol
Synonyms
Phenol, 3,4-dichloro-;3,4-DCP;3.4-Dichloroph;3,4-Chlorophenol;3,4-DICHLORPHENOL;3,4-DICHLOROPHENOL;4,5-Dichlorophenol;3,4-dichloro-pheno;3,4-two chlorophenol;3,4-Dichlorophenol,99%
CBNumber
CB1854709
Molecular Formula
C6H4Cl2O
Formula Weight
163
MOL File
95-77-2.mol
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3,4-Dichlorophenol Property

Melting point:
65-67 °C(lit.)
Boiling point:
145-146 °C(lit.)
Density 
1.3446 (rough estimate)
refractive index 
1.4430 (estimate)
Flash point:
252-255°C
storage temp. 
0-6°C
solubility 
9260mg/l (experimental)
form 
Powder
pka
pK1:8.630 (25°C)
color 
White to brownish
Water Solubility 
<0.1 g/100 mL at 20 ºC
BRN 
1907693
Stability:
Stable. Combustible. Incompatible with oxidizing agents, acid chlorides, acid anhydrides.
InChIKey
WDNBURPWRNALGP-UHFFFAOYSA-N
CAS DataBase Reference
95-77-2(CAS DataBase Reference)
NIST Chemistry Reference
Phenol, 3,4-dichloro-(95-77-2)
EPA Substance Registry System
3,4-Dichlorophenol (95-77-2)
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Safety

Hazard Codes 
Xn,Xi
Risk Statements 
22-36/38
Safety Statements 
26-28-37/39
RIDADR 
UN 2020 6.1/PG 3
WGK Germany 
3
RTECS 
SK8800000
Hazard Note 
Irritant
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
III
HS Code 
29081000
Hazardous Substances Data
95-77-2(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H318Causes serious eye damage

Precautionary statements

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

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

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
D70406
Product name
3,4-Dichlorophenol
Purity
99%
Packaging
5g
Price
$26.7
Updated
2025/07/31
TCI Chemical
Product number
D0395
Product name
3,4-Dichlorophenol
Purity
>98.0%(GC)
Packaging
10g
Price
$159
Updated
2025/07/31
Sigma-Aldrich
Product number
D70406
Product name
3,4-Dichlorophenol
Purity
99%
Packaging
25g
Price
$79.6
Updated
2025/07/31
TRC
Product number
D436140
Product name
3,4-Dichlorophenol
Packaging
10g
Price
$55
Updated
2021/12/16
TRC
Product number
D436140
Product name
3,4-Dichlorophenol
Packaging
50g
Price
$160
Updated
2021/12/16
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3,4-Dichlorophenol Chemical Properties,Usage,Production

Chemical Properties

light yellow to brown crystals

Uses

3,4-Dichlorophenol (3,4-DCP) is used in the synthesis of (Z)-5-arylmethylidene rhodanines as anti-methicillin-resistant Staphylococcus aureus (MRSA) agent. It can also be used in the preparation of 2-(3,4-dichlorophenoxy)-N-(2-morpholin-4-ylethyl)acetamide for the treatment of inflammatory pain.

Definition

ChEBI: 3,4-Dichlorophenol is a dichlorophenol.

General Description

Needles (from benzene, petroleum ether) or light brown and yellow crystals. Odor threshold 100 μg/L. Taste threshold 0.3 μg/L in water.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

3,4-Dichlorophenol is incompatible with acid chlorides, acid anhydrides and oxidizing agents.

Fire Hazard

Flash point data for 3,4-Dichlorophenol are not available. 3,4-Dichlorophenol is probably combustible.

Purification Methods

Crystallise 3,4-dichlorophenol from pet ether/*benzene mixture and/or distil it. [Beilstein 6 IV 952.]

3,4-Dichlorophenol Preparation Products And Raw materials

Raw materials

Preparation Products

3-(3,4-DICHLOROPHENOXY)BENZALDEHYDE
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3,4-Dichlorophenol Suppliers

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View Lastest Price from 3,4-Dichlorophenol manufacturers

Honest Joy Holdings Limited
Product
3,4-Dichlorophenol 95-77-2
Price
US $0.00/KG
Min. Order
1KG
Purity
98.1%
Supply Ability
100 tons
Release date
2022-02-18
Career Henan Chemical Co
Product
3,4-Dichlorophenol 95-77-2
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
200kgs
Release date
2020-02-18

95-77-2, 3,4-DichlorophenolRelated Search:

Thionyl chloride PHENOLDISULFONIC ACID 2',4'-Dichloroacetophenone Dichloroethane 2,4-Dichlorobenzoic acid Sodium dichloroisocyanurate 1,2-Dichloro-4-(chloromethyl)benzene 2,3,4,6-TETRACHLOROPHENOL 2,3,4-TRICHLOROANISOLE Pentachlorophenol Hexachlorophene 2,5-Dichlorophenol 2,6-DICHLOROPHENOL extrapure 2,3-DICHLOROPHENOL 99+% 3,5-DICHLOROPHENOL TYPICALLY 99% 3,4-D 2,3,4-TRICHLOROPHENOL 2,4-DICHLOROPHENOL pract,2,4-DICHLOROPHENOL 99+%

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