1-Bromo-2-chloroethane
1-Bromo-2-chloroethane
CAS: 107-04-0
Molecular Formula: C2H4BrCl
1-Bromo-2-chloroethane - Names and Identifiers
1-Bromo-2-chloroethane - Physico-chemical Properties
| Molecular Formula | C2H4BrCl |
| Molar Mass | 143.41 |
| Density | 1.723g/mLat 25°C(lit.) |
| Melting Point | −18-−14°C(lit.) |
| Boling Point | 106-107°C(lit.) |
| Flash Point | 104-107°C |
| Water Solubility | 7 g/L (20 ºC) |
| Solubility | water: soluble |
| Vapor Presure | 32.6mmHg at 25°C |
| Appearance | Liquid |
| Color | Clear colorless to slightly yellow |
| BRN | 605265 |
| Storage Condition | Store below +30°C. |
| Sensitive | Light Sensitive |
| Refractive Index | n20/D 1.4884(lit.) |
| Physical and Chemical Properties | Colorless volatile liquid. Melting Point -16.6 ℃, boiling point 106-107 ℃, relative density of 1.7392(20/4 ℃), refractive index of 1.4917. Soluble in alcohol and ether, slightly soluble in water. |
| Use | Used as pesticide, pharmaceutical intermediates |
1-Bromo-2-chloroethane - Risk and Safety
| Hazard Symbols | T - Toxic |
| Risk Codes | R45 - May cause cancer R20/21 - Harmful by inhalation and in contact with skin. R25 - Toxic if swallowed R37/38 - Irritating to respiratory system and skin. R68 - Possible risk of irreversible effects R36/37/38 - Irritating to eyes, respiratory system and skin. R23/25 - Toxic by inhalation and if swallowed. |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S38 - In case of insufficient ventilation, wear suitable respiratory equipment. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S28A - |
| UN IDs | UN 2810 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | KH6500000 |
| TSCA | Yes |
| HS Code | 29034980 |
| Hazard Class | 6.1 |
| Packing Group | III |
1-Bromo-2-chloroethane - 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) |
| preparation | with chloroethanol as raw material, reaction with phosphorus tribromide under stirring, after completion of the reaction, the reaction mixture was washed successively with a diluted solution and water, allowed to stand and layered, separated from the aqueous layer, dried, and finally subjected to distillation under reduced pressure. |
| Use | used as pesticide, pharmaceutical intermediate used in organic synthesis, solvent, fumigant. |
| production method | is obtained by reacting chloroethanol with phosphorus tribromide. Add chloroethanol to the reaction bottle, cool with water, gradually add phosphorus tribromide Dropwise under stirring, control the temperature to 20-30 ℃, stir at room temperature for half an hour, heat reflux for 1 hour, cool, washing with 5% sodium hydroxide, removing the aqueous layer, washing to neutrality, washing with water, dehydration with anhydrous sodium carbonate, and fractionation of the obtained crude product were carried out, and the 106-108 ° C. Fraction was collected as the finished product. |
| category | toxic substances |
| toxicity grade | high toxicity |
| Acute toxicity | oral-rat LD50: 64 mg/kg |
| flammability hazard characteristics | thermal decomposition of halide toxic vapor |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored and transported separately from food raw materials |
| extinguishing agent | Water |
| 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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