576-24-9
2,3-Dichlorophenol
CAS: 576-24-9;25167-81-1
Molecular Formula: C6H4Cl2O
576-24-9 - Names and Identifiers
| Name | 2,3-Dichlorophenol |
| Synonyms | HSDB 4264 NSC 60646 CCRIS 5902 BRN 2043615 2,3-DICHLOR-PHENOL 2,3-Dichlorophenol 2,3-dichloro-pheno 2,3-DICHLOROPHENOL 2,3-two chlorophenol Phenol, 2,3-dichloro- 4-06-00-00883 (Beilstein Handbook Reference) |
| CAS | 576-24-9 25167-81-1 |
| EINECS | 209-399-8 |
| InChI | InChI=1/C6H4Cl2O/c7-4-2-1-3-5(9)6(4)8/h1-3,9H |
576-24-9 - Physico-chemical Properties
| Molecular Formula | C6H4Cl2O |
| Molar Mass | 163 |
| Density | 1.40 g/cm3 (25℃) |
| Melting Point | 56 °C |
| Boling Point | 214 °C |
| Flash Point | 115 °C |
| Solubility | 3600mg/l (experimental) |
| Appearance | neat |
| Color | White to Light red to Green |
| BRN | 2043615 |
| pKa | 7.44(at 25℃) |
| Storage Condition | 0-6°C |
| Stability | Stable. Incompatible with oxidizing agents, acid chlorides, acid anhydrides. |
| Refractive Index | 1.4430 (estimate) |
| Physical and Chemical Properties | Character: White needle-like crystal. There is a special odor. melting point 56~58 ℃ boiling point 211 ℃ solubility: slightly soluble in water, soluble in ethanol, ether, benzene |
| Use | For pharmaceuticals, pesticides, dyes and other intermediates |
576-24-9 - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36/38 - Irritating to eyes and skin. R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R34 - Causes burns |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S28 - After contact with skin, wash immediately with plenty of soap-suds. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN 2020 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | SK8450000 |
| TSCA | Yes |
| HS Code | 29081000 |
| Hazard Note | Irritant |
| Hazard Class | 6.1 |
| Packing Group | III |
576-24-9 - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | as an intermediate in organic synthesis. For the synthesis of drug uric acid. Used as an intermediate in medicine, pesticides, dyes, etc. |
| Production method | It is obtained by sulfonating 1,2, 3-trichlorobenzene into salt, hydrolyzing at high pressure to obtain 3, 4-dichloro-2-hydroxybenzene sulfonic acid, and then hydrolyzing to desulfonic acid by sulfuric acid. |
| category | toxic substances |
| toxicity classification | poisoning |
| acute toxicity | oral-mouse LD50: 2376 mg/kg |
| flammability hazard characteristics | open flame is combustible; heated to release toxic chloride gas |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; separate from food raw materials storage and transportation |
| fire extinguishing agent | carbon dioxide, sand, foam, dry powder |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 02:00:05
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