b-Mercaptoethanol, MB Grade (1.12006)
2-Mercaptoethanol
CAS: 60-24-2
Molecular Formula: C2H6OS
b-Mercaptoethanol, MB Grade (1.12006) - Names and Identifiers
| Name | 2-Mercaptoethanol |
| Synonyms | Thioglycol 2-Mercaptoethanol 2-sulfanylethanol ethylene thioglycol 2-Hydroxy-1-ethanethiol Thioethylene glycol~Thioglycol b-Mercaptoethanol, MB Grade (1.12006) 2-Mercaptoethanol Thioethylene glycol 2-Mercaptoethanol, Molecular Biology Grade Thioethylene glycol, Molecular Biology Grade |
| CAS | 60-24-2 |
| EINECS | 200-464-6 |
| InChI | InChI=1/C2H6OS/c3-1-2-4/h3-4H,1-2H2 |
b-Mercaptoethanol, MB Grade (1.12006) - Physico-chemical Properties
| Molecular Formula | C2H6OS |
| Molar Mass | 78.1334 |
| Density | 1.068g/cm3 |
| Melting Point | -40℃ |
| Boling Point | 157°C at 760 mmHg |
| Flash Point | 73.9°C |
| Water Solubility | soluble |
| Vapor Presure | 1.01mmHg at 25°C |
| Refractive Index | 1.479 |
| Use | Used as plasticizers and pesticides, also used in the manufacture of dyes |
b-Mercaptoethanol, MB Grade (1.12006) - Risk and Safety
| Hazard Symbols | T - Toxic N - Dangerous for the environment  |
| Risk Codes | R22 - Harmful if swallowed R24 - Toxic in contact with skin R36/37/38 - Irritating to eyes, respiratory system and skin. R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S23 - Do not breathe vapour. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S29 - Do not empty into drains. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 2966 |
b-Mercaptoethanol, MB Grade (1.12006) - Nature
Open Data Verified Data
colorless transparent liquid, with special odor. Freezing point <100 °c. Boiling point 157~158 degrees C (micro decomposition), flash point 73 degrees C, relative density of 1.1143. Refractive index 4996. Soluble in water, ethanol and ether and other organic solvents, and benzene can be miscible in any proportion. Viscosity (20 deg C) 3.43mPa.s.
Last Update：2024-01-02 23:10:35
b-Mercaptoethanol, MB Grade (1.12006) - Preparation Method
Open Data Verified Data
obtained by the reaction of chloroethanol with sodium hydrosulfide. It can also be synthesized from the reaction of hydrogen sulfide with ethylene oxide. The catalyst used in the reaction was a 717 strongly basic anion exchange resin. The molar ratio of ethylene oxide to hydrogen sulfide was 1:3.5, the reaction temperature was (42±1) ° C., and the exhaust gas negative pressure was (13 33±667) Pa. The content of crude product is about 52%. The yield of pure product is about 55%. Excess hydrogen sulfide is absorbed into sodium hydrosulfide with alkali for reuse of hydrogen sulfide.
Last Update：2022-01-01 10:37:44
b-Mercaptoethanol, MB Grade (1.12006) - Use
Open Data Verified Data
organic synthesis intermediates, used in the synthesis of pesticides, pharmaceuticals and dyes, etc.; In rubber, textile, plastic, coating industry can also be used as additives.
Last Update：2022-01-01 10:37:43
b-Mercaptoethanol, MB Grade (1.12006) - Safety
Open Data Verified Data
- inhalation of this product vapor, starting for motor excitement, followed by prolonged weakness, convulsions, slow breathing, death. Stimulate the skin, easy to absorb through the skin, should wear protective gloves and gas masks operation, mice oral LD50 190mg/kg, rats 224mg/kg. The maximum allowable concentration in air is 1mg/m3.
- refer to perchloromethanethiol for packaging, storage and transportation of this product.
Last Update：2022-01-01 10:37:44
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