METHYL O-(CHLOROMETHYL)BENZOATE
methyl 2-chloromethylbenzoate
CAS: 34040-62-5
Molecular Formula: C9H9ClO2
METHYL O-(CHLOROMETHYL)BENZOATE - Names and Identifiers
| Name | methyl 2-chloromethylbenzoate |
| Synonyms | Methyl 2-chloromethylbenzoate methyl 2-chloromethylbenzoate METHYL O-(CHLOROMETHYL)BENZOATE METHYL (2-CHLOROMETHYL)BENZOATE o-(Chloromethyl)benzoic acid methyl ester 2-(CHLOROMETHYL)-BENZOIC ACID METHYL ESTER Benzoic acid,2-(chloroMethyl)-, Methyl ester |
| CAS | 34040-62-5 |
| EINECS | 251-805-0 |
| InChI | InChI=1/C9H9ClO2/c1-12-9(11)8-5-3-2-4-7(8)6-10/h2-5H,6H2,1H3 |
METHYL O-(CHLOROMETHYL)BENZOATE - Physico-chemical Properties
| Molecular Formula | C9H9ClO2 |
| Molar Mass | 184.62 |
| Density | 1.190±0.06 g/cm3(Predicted) |
| Boling Point | 98 °C |
| Flash Point | 139.2°C |
| Vapor Presure | 0.00344mmHg at 25°C |
| Appearance | clear liquid |
| Color | Light yellow to Amber to Dark green |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.5410 to 1.5450 |
| Physical and Chemical Properties | This product is colorless liquid, insoluble in water, soluble in dichlorobenzene, chlorobenzene and other solvents. |
METHYL O-(CHLOROMETHYL)BENZOATE - Risk and Safety
| UN IDs | UN 3265 8/PG III |
| Hazard Class | 8 |
| Packing Group | III |
METHYL O-(CHLOROMETHYL)BENZOATE - Reference Information
| Use | Methyl o-chloromethyl benzoate is an intermediate of the herbicide bensulfuron-methyl. |
| production method | the preparation method is to add o-methylbenzoyl chloride to the chlorination kettle, raise the temperature to 90 ℃, and pass in chlorine gas for about 5 hours. Gas chromatography is used to track and analyze and control the amount of chlorine gas. When the by-product o-dichloromethylbenzoyl chloride reaches 0.8%, the chlorine gas is stopped, cooled to room temperature, and distilled in a distillation kettle to obtain o-chloromethylbenzoyl chloride. Further add o-chloromethyl benzoyl chloride to the esterification kettle, add quantitative methanol to heat, reflux for about 3 h, sample analysis qualified after distillation, first distilled out of methanol, and then reduced pressure distillation to obtain o-chloromethyl benzoate methyl ester. Methyl o-methylbenzoate can also be used for chlorination in the presence of a catalyst at a reaction temperature of 65-80°C. |
Last Update：2024-04-09 21:04:16
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