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: 2023-05-04 17:34:44
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 |
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