3,4-Dichlorophenol
Synonym(s):3,4-DCP
- CAS NO.：95-77-2
- Empirical Formula: C6H4Cl2O
- Molecular Weight: 163
- MDL number: MFCD00002258
- EINECS: 202-450-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:13:56
What is 3,4-Dichlorophenol?
Chemical properties
light yellow to brown crystals
The Uses of 3,4-Dichlorophenol
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.]
Properties of 3,4-Dichlorophenol
| 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. |
| 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) |
Safety information for 3,4-Dichlorophenol
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H318:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. |
Computed Descriptors for 3,4-Dichlorophenol
| InChIKey | WDNBURPWRNALGP-UHFFFAOYSA-N |
New Products
Mirtazapine Impurity C/Mirtazapine Lactam Impurity N,O-Dimethylhydroxylamine hydrochloride Tetrabutylammonium perchlorate N,N CARBONYL DIIMIDAZOLE 2-Amino-5-bromo-4-(trifluoromethyl)pyridine（RM for Indian lab) (RS)-beta-Amino-beta-(4-bromophenyl)propionic acid (R)-1-Benzyl-3-pyrrolidinecarbonitrile N-Nitroso hydroxy Cetrizine EP Impurity-A Noradrenaline EP Impurity D/Noradrenaline Methyl Ether Cetirizine EP Impurity A/Cetirizine CBHP Impurity Lantanoprost rc B Clidinium Bromide Impurity 2,2'-(5-methyl-1,3-phenylene)-di(2-Methylpropionitrile) 1-methyl amino-2,4-dinitro benzene 5-Methyl-1,3-benzenediacetonitrile 4-Fluorothiophenol (R)-BoroLeu-(+)-Pinanediol-CF3COOH 4-(5-amino-1-methyl-1h-benzoimidazol-2-yl)-butyric acid isopropyl ester. 3,4 Diethoxy Benzylcyanide 2-Chloro Benzylcyanide 3-chlorobenzyl cyanide 3,4 Dimethoxy Benzylcyanide valeronitrile 4-Bromo BenzylcyanideRelated products of tetrahydrofuran
You may like
-
3, 4-Dichlorophenol CAS 95-77-2View Details
95-77-2 -
3,4-Dichlorophenol CAS 95-77-2View Details
95-77-2 -
3,4-Dichlorophenol CAS 95-77-2View Details
95-77-2 -
Clidinium Bromide Impurity NLT 95%View Details
.6581-06-2 -
192110-67-2 NLT 95%View Details
192110-67-2 -
Cetirizine EP Impurity A/Cetirizine CBHP Impurity NLT 95%View Details
59872-62-1 -
.2005-04-1 N-Nitroso hydroxy Cetrizine EP Impurity-A NLT 95%View Details
.2005-04-1 -
145773-22-1 Lantanoprost rc B NLT 95%View Details
145773-22-1
Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.