NSC 91724
2-Chloroethyl methyl sulfide
CAS: 542-81-4
Molecular Formula: C3H7ClS
NSC 91724 - Names and Identifiers
| Name | 2-Chloroethyl methyl sulfide |
| Synonyms | NSC 91724 2-Methylthioethyl chloride B-CHLOROETHYL METHYL SULFIDE 2-Chloroethyl methyl sulfide 1-Chloro-2-(methylthio)ethane Sulfide, 2-chloroethyl methyl 2-Chloroethyl methyl sulphide Sulfide, 2-chloroethyl methyl- Ethane,1-chloro-2-(methylthio)- BETA-CHLOROETHYL METHYL SULFIDE Ethane, 1-chloro-2-(methylthio)- 1-chloro-2-methylsulfanyl-ethane 1-chloro-2-(methylsulfanyl)ethane 1-Chloro-2-(methylsulfanyl)ethane |
| CAS | 542-81-4 |
| EINECS | 208-828-6 |
| InChI | InChI=1/C3H7ClS/c1-5-3-2-4/h2-3H2,1H3 |
| InChIKey | MYFKLQFBFSHBPA-UHFFFAOYSA-N |
NSC 91724 - Physico-chemical Properties
| Molecular Formula | C3H7ClS |
| Molar Mass | 110.61 |
| Density | 1.11 g/mL at 25 °C (lit.) |
| Boling Point | 55-56 °C/30 mmHg (lit.) |
| Flash Point | 108°F |
| Vapor Presure | 7.81mmHg at 25°C |
| Appearance | clear liquid |
| Specific Gravity | 1.12 |
| Color | Colorless to Light yellow to Light orange |
| BRN | 1731033 |
| Storage Condition | 2-8°C |
| Refractive Index | n20/D 1.496(lit.) |
| Physical and Chemical Properties | A flammable liquid with an irritating odor. Boiling point of 147-149 ℃,29-31 ℃(1.33kPa), relative density (20/4 ℃)1.121, refractive index 1.4970. |
NSC 91724 - Risk and Safety
| Risk Codes | R10 - Flammable R20/22 - Harmful by inhalation and if swallowed. R34 - Causes burns R23/24 - R22 - Harmful if swallowed R45 - May cause cancer |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S53 - Avoid exposure - obtain special instructions before use. |
| UN IDs | UN 2924 3/PG 3 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 10-13 |
| Hazard Class | 3.2 |
| Packing Group | III |
NSC 91724 - Reference Information
| use | organic synthesis intermediate. |
| Production method | β-hydroxyethyl methyl sulfide is dissolved in dry chloroform, and a solution made of thionyl chloride and chloroform is added dropwise. Stir continuously during feeding, heat, and continue to react for 4 hours after feeding. Then evaporate and recover chloroform, distillation under reduced pressure, and collect the 55-56 ℃(4.0kPa) fraction to obtain 2-chloroethyl methyl sulfide. Yield 75-85%. |
Last Update：2024-04-10 22:29:15
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