2-MethyIthioethanol
2-(methylthio)ethanol
CAS: 5271-38-5
Molecular Formula: C3H8OS
2-MethyIthioethanol - Names and Identifiers
2-MethyIthioethanol - Physico-chemical Properties
| Molecular Formula | C3H8OS |
| Molar Mass | 92.16 |
| Density | 1.06g/mLat 25°C(lit.) |
| Boling Point | 169-171°C(lit.) |
| Flash Point | 158°F |
| JECFA Number | 1297 |
| Water Solubility | Not miscible in water. |
| Vapor Presure | 0.483mmHg at 25°C |
| Appearance | White powder |
| Specific Gravity | 1.060 |
| Color | Clear colorless |
| BRN | 1731081 |
| pKa | 14.36±0.10(Predicted) |
| Storage Condition | Store below +30°C. |
| Refractive Index | n20/D 1.4930(lit.) |
| MDL | MFCD00002908 |
| Physical and Chemical Properties | Colorless liquid. Boiling point 169-171 ℃,61 ℃(1.33kPa). Preparation Method: The sodium methyl mercaptan-anhydrous ethanol solution is heated to boiling, the heating is stopped, and chloroethanol is added dropwise under stirring within 2H. The reaction mixture was concentrated, allowed to stand for cooling, and sodium chloride was filtered off. The filtrate was fractionated under reduced pressure to collect a 68-70 ° C. (2.67kPa) fraction to obtain 2-methylthioethanol in a yield of 74%-82%. Purposes: intermediates in organic synthesis. |
2-MethyIthioethanol - Risk and Safety
| Risk Codes | 20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | 2810 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 13 |
| HS Code | 29309090 |
| Hazard Class | 6.1 |
| Packing Group | III |
2-MethyIthioethanol - Reference Information
| FEMA | 4004 | 2-(METHYLTHIO)ETHANOL |
| use | organic synthesis intermediate. |
| production method | heating sodium methylmercaptan-anhydrous ethanol solution to boiling, stopping heating, and adding chloroethanol dropwise under stirring within 2 hours. The reaction mixture is concentrated, the sodium chloride is filtered out after cooling, the filtrate is fractionated under reduced pressure, and the fraction at 68-70 ℃(2.67kPa) is collected to obtain 2-methylthio ethanol with a yield of 74%-82%. Uses: Organic synthesis intermediates. |
Last Update：2024-04-09 02:00:09
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