2-Chlorohydroquinone
2-Chlorohydroquinone
CAS: 615-67-8
Molecular Formula: C6H5ClO2
2-Chlorohydroquinone - Names and Identifiers
2-Chlorohydroquinone - Physico-chemical Properties
| Molecular Formula | C6H5ClO2 |
| Molar Mass | 144.56 |
| Density | 1.2558 (rough estimate) |
| Melting Point | 100-104 °C (lit.) |
| Boling Point | 263 °C (lit.) |
| Flash Point | 263°C |
| Water Solubility | soluble |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.00647mmHg at 25°C |
| Appearance | Fine Crystalline Powder |
| Color | Light brown to gray |
| BRN | 636835 |
| pKa | 9.21±0.18(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.4620 (estimate) |
| MDL | MFCD00002341 |
| Physical and Chemical Properties | Leaf-like crystals were precipitated from chloroform, and needle-like crystals were precipitated from toluene. Melting point 106 ℃, boiling point 263 ℃, soluble in water and alcohol, ether-soluble and hot chloroform. |
| Use | Used as bactericide, developer, pharmaceutical intermediates |
2-Chlorohydroquinone - Risk and Safety
| Risk Codes | R21 - Harmful in contact with skin R36/37/38 - Irritating to eyes, respiratory system and skin. R43 - May cause sensitization by skin contact |
| Safety Description | S36/37 - Wear suitable protective clothing and gloves. S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN2811 |
| WGK Germany | 3 |
| RTECS | MX4800000 |
| TSCA | Yes |
| HS Code | 29081990 |
| Hazard Class | 6.1 |
| Packing Group | III |
| Toxicity | An antidiarrhea drug used extensively in Japan. It has been shown to be the cause of subacute myelooptic neuropathy, a syndrome in which stiffness of the joints is accompanied by damage to the optic nerve. |
2-Chlorohydroquinone - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | reagents for photography 2, 5-dioxy-4-morpholine-benzodiazoxide zinc chloride double salt. used for bactericide, imaging agent, pharmaceutical intermediate, etc. used as bactericide, imaging agent, pharmaceutical intermediate |
| production method | is obtained by reacting p-benzoquinone with hydrochloric acid. First, p-benzoquinone was dissolved in chloroform, and dried hydrogen chloride gas was introduced under cooling. |
| category | toxic substances |
| toxicity grade | high toxicity |
| Acute toxicity | oral-rat LD50: 200 mg/kg; Skin-rat LDL0: 500 mg/kg |
| flammability hazard characteristics | flammable; Decomposition of toxic chloride gases in fire scene |
| storage and transportation characteristics | The warehouse is low temperature, ventilated and dry, and stored separately from food raw materials |
| extinguishing agent | water, carbon dioxide, dry powder, sand |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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