SODIUM BENZYLOXIDE
Sodium benzyloxide
CAS: 20194-18-7
Molecular Formula: C7H7NaO
SODIUM BENZYLOXIDE - Names and Identifiers
SODIUM BENZYLOXIDE - Physico-chemical Properties
| Molecular Formula | C7H7NaO |
| Molar Mass | 130.12 |
| Density | 1.077g/mLat 25°C |
| Boling Point | 203-205°C |
| Flash Point | 194°F |
| Appearance | Viscous Liquid |
| Color | Clear colorless to yellow |
SODIUM BENZYLOXIDE - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R34 - Causes burns R20/22 - Harmful by inhalation and if swallowed. |
| 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.) |
| UN IDs | UN 3267 8/PG 2 |
| WGK Germany | 1 |
| HS Code | 29109000 |
SODIUM BENZYLOXIDE - Introduction
Sodium benzyloxide is an organic compound with a chemical formula of C7H7ONa and a molecular weight of 140.12. Its properties are as follows:
1. Appearance: white or yellowish crystalline powder.
2. melting point: about 150-153 degrees Celsius.
3. Solubility: Soluble in water and organic solvents, such as ethanol and ether.
Sodium benzyloxide has a wide range of applications in organic synthesis, commonly used in the following areas:
1. Reduction of ketones: It can reduce ketones to corresponding alcohols.
2. protection of tertiary alcohol: it can convert the hydrogen atom on the tertiary alcohol into benzyl group, so as to protect the tertiary alcohol from oxidation or other reactions, and then react when necessary.
3. Ester addition: It can react with ester to generate the corresponding alcohol and ester matrix.
4. Other reactions: It can also be used for the synthesis of alcohols, such as the preparation of benzyl alcohol.
the methods for preparing sodium benzyloxide are as follows:
1. hydrogen peroxide oxidation method: sodium benzyloxide is obtained by reacting benzyl bromide or benzyl chloride with excess hydrogen peroxide in the presence of alkali.
2. metal reduction method: reduction of benzyl bromide or benzyl chloride with metal (such as aluminum) or metal alloy to generate benzyl sodium, and then react with oxygen to obtain sodium benzyloxide.
When using Sodium benzyloxide, you should pay attention to the following safety information:
1. Because the compound is irritating, protective glasses, gloves and protective clothing should be worn for operation.
2. Avoid contact with skin, eyes and respiratory tract. If exposed, flush immediately with plenty of water and seek medical help.
3. storage should be sealed, away from the fire and oxidant.
4. in the use of the process should avoid dust, pay attention to fire and explosion.
5. avoid contact with harmful substances such as strong acids, strong bases and oxidants to prevent dangerous reactions.
Please note that the use and handling of chemical substances should follow the relevant safety procedures, and consult professionals when necessary.
1. Appearance: white or yellowish crystalline powder.
2. melting point: about 150-153 degrees Celsius.
3. Solubility: Soluble in water and organic solvents, such as ethanol and ether.
Sodium benzyloxide has a wide range of applications in organic synthesis, commonly used in the following areas:
1. Reduction of ketones: It can reduce ketones to corresponding alcohols.
2. protection of tertiary alcohol: it can convert the hydrogen atom on the tertiary alcohol into benzyl group, so as to protect the tertiary alcohol from oxidation or other reactions, and then react when necessary.
3. Ester addition: It can react with ester to generate the corresponding alcohol and ester matrix.
4. Other reactions: It can also be used for the synthesis of alcohols, such as the preparation of benzyl alcohol.
the methods for preparing sodium benzyloxide are as follows:
1. hydrogen peroxide oxidation method: sodium benzyloxide is obtained by reacting benzyl bromide or benzyl chloride with excess hydrogen peroxide in the presence of alkali.
2. metal reduction method: reduction of benzyl bromide or benzyl chloride with metal (such as aluminum) or metal alloy to generate benzyl sodium, and then react with oxygen to obtain sodium benzyloxide.
When using Sodium benzyloxide, you should pay attention to the following safety information:
1. Because the compound is irritating, protective glasses, gloves and protective clothing should be worn for operation.
2. Avoid contact with skin, eyes and respiratory tract. If exposed, flush immediately with plenty of water and seek medical help.
3. storage should be sealed, away from the fire and oxidant.
4. in the use of the process should avoid dust, pay attention to fire and explosion.
5. avoid contact with harmful substances such as strong acids, strong bases and oxidants to prevent dangerous reactions.
Please note that the use and handling of chemical substances should follow the relevant safety procedures, and consult professionals when necessary.
Last Update：2024-04-10 22:29:15
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QQ: 3007471201
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