1-(Chloromethoxy)ethane
chloromethyl ethyl ether
CAS: 3188-13-4
Molecular Formula: C3H7ClO
1-(Chloromethoxy)ethane - Names and Identifiers
| Name | chloromethyl ethyl ether |
| Synonyms | ClCH2OC2H5 Chloromethoxyethane chloromethoxy-ethane (chloromethoxy)-ethan (chloromethoxy)ethane chloromethylethylester 1-(Chloromethoxy)ethane chloromethyl ethyl ether Ether, chloromethyl ethyl Ethane, (chloromethoxy)- |
| CAS | 3188-13-4 |
| EINECS | 221-687-5 |
| InChI | InChI=1/C3H7ClO/c1-2-5-3-4/h2-3H2,1H3 |
1-(Chloromethoxy)ethane - Physico-chemical Properties
| Molecular Formula | C3H7ClO |
| Molar Mass | 94.54 |
| Density | 1.019g/mLat 25°C(lit.) |
| Melting Point | -104°C |
| Boling Point | 82°C(lit.) |
| Flash Point | 67°F |
| Vapor Presure | 85.6mmHg at 25°C |
| Appearance | Liquid |
| Specific Gravity | 1.019 |
| Color | Clear colorless to pale yellow |
| Storage Condition | 0-6°C |
| Refractive Index | n20/D 1.404(lit.) |
| Physical and Chemical Properties | Density 1.019 boiling point 82°C refractive index 1.4-1.405 flash point 19°C |
| Use | For Organic synthesis |
1-(Chloromethoxy)ethane - Risk and Safety
| Risk Codes | R11 - Highly Flammable R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36 - Irritating to the eyes R40 - Limited evidence of a carcinogenic effect |
| Safety Description | S16 - Keep away from sources of ignition. S36/37 - Wear suitable protective clothing and gloves. S9 - Keep container in a well-ventilated place. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S29 - Do not empty into drains. |
| UN IDs | UN 2354 3/PG 2 |
| WGK Germany | 3 |
| HS Code | 29091990 |
| Hazard Class | 6.1(a) |
| Packing Group | I |
1-(Chloromethoxy)ethane - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| application | chloromethyl ether is an intermediate of acetochlor. Acetochlor is an excellent herbicide, which is widely used for weeding in corn, cotton, peanut and soybean fields. |
| preparation | a new synthesis process of acetochlor intermediate chloromethyl ether, which includes the following steps:(1) putting ammonium chloride into an ether distillation kettle containing etherified base acid, mixing evenly, adding concentrated sulfuric acid dropwise and stirring at a constant speed, and generating hydrogen chloride gas under the action of concentrated sulfuric acid;(2) The hydrogen chloride gas obtained in step (1) is introduced into the etherification reactor containing paraformaldehyde and ethanol, and the temperature is kept below 70 ℃. When a large amount of hydrogen chloride gas that has not participated in the reaction comes out in the etherification reactor, the reaction ends. |
| use | chloromethyl ether is an intermediate of herbicide acetochlor. for organic synthesis |
| production method | its preparation method is to add ethanol and trioxymethylene into a reaction kettle, pass in hydrogen chloride gas under stirring, control the reaction temperature, pass in a certain amount of hydrogen chloride, sample and analyze, reach the end point of the reaction, stand for stratification, lower layer is hydrochloric acid, upper layer is chloromethyl ethyl ether, which can be distilled and purified. 3C2H5OH (CH2O)3 3HCl→3ClCH2OC2H5 3H2O |
| category | flammable liquid |
| explosive hazard characteristics | explosion in case of fire |
| flammability hazard characteristics | flammable; toxic chloride fumes from the fire site |
| storage and transportation characteristics | warehouse is low temperature, ventilated and dry; Fire prevention; Vibration prevention |
| fire extinguishing agent | carbon dioxide, foam, dry powder |
| 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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