Sodium cyanoborohydride
Sodium cyanoborohydride
CAS: 25895-60-7
Molecular Formula: CH3BNNa
Sodium cyanoborohydride - Names and Identifiers
Sodium cyanoborohydride - Physico-chemical Properties
| Molecular Formula | CH3BNNa |
| Molar Mass | 62.84 |
| Density | 1.083g/mLat 25°C |
| Melting Point | >242 °C (dec.) (lit.) |
| Boling Point | 307°C |
| Flash Point | −1°F |
| Water Solubility | 2120 g/L at 29 ºC (dec.) |
| Solubility | Soluble in water (100 mg/ml, with heating), methanol, ethanol, and THF. It is insoluble in nonpolar solvents such as benzene or hexane |
| Appearance | Powder |
| Specific Gravity | 1.2 |
| Color | White |
| Merck | 14,8606 |
| BRN | 4152656 |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Hygroscopic. Reacts violently with water, giving off and igniting hydrogen. Do not use water on fires involving this chemical - instead use dry soda ash. Incompatible with strong acids, water |
| Sensitive | Moisture Sensitive |
| Physical and Chemical Properties | White or yellowish solid powder is a mild reducing agent, which is widely used in the reduction of aldehydes and ketones, especially the reductive amination of ketones. |
Sodium cyanoborohydride - Risk and Safety
| Risk Codes | R26/27/28 - Very toxic by inhalation, in contact with skin and if swallowed. R32 - Contact with acids liberates very toxic gas R34 - Causes burns R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R16 - Explosive when mixed with oxidizing substances R15 - Contact with water liberates extremely flammable gases R11 - Highly Flammable R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R36 - Irritating to the eyes R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R19 - May form explosive peroxides R14 - Reacts violently with water R40 - Limited evidence of a carcinogenic effect R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S28 - After contact with skin, wash immediately with plenty of soap-suds. 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.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S8 - Keep container dry. S50A - S43 - In case of fire use ... (there follows the type of fire-fighting equipment to be used.) S28A - S1 - Keep locked up. S16 - Keep away from sources of ignition. S36/37 - Wear suitable protective clothing and gloves. |
| UN IDs | UN 3179 4.1/PG 2 |
| WGK Germany | 1 |
| FLUKA BRAND F CODES | 10-21 |
| TSCA | Yes |
| HS Code | 28500020 |
| Hazard Note | Toxic/Highly Flammable |
| Hazard Class | 6.1 |
| Packing Group | I |
Sodium cyanoborohydride - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | sodium cyanoborohydride is a chemical substance, white or yellowish solid powder, and a mild reducing agent. |
| Application | Sodium cyanoborohydride is widely used in the reduction of aldehydes and ketones, especially the reductive amination of ketones. It is a reducing agent for organic synthesis, aldehydes, ketones, oximes, enamines are reduced, β-lactam is reduced to β-amino acids, and ammonia is methylated. |
| reducibility | although sodium cyanoborohydride (NaBH3CN) is weaker than sodium borohydride, it can remain stable in an acidic environment with pH 3. Therefore, it is often used to reduce imine cations in acidic environments. (Borch reductive amination) |
| Use | is a mild reducing agent, which is widely used for the reduction of aldehydes and ketones, especially the reductive amination of ketones. Reducing agents for organic synthesis, aldehydes, ketones, oximes, enamines are reduced, and β-lactam is reduced to β-amino acids. Methylation of ammonia. |
Last Update：2024-04-09 20:52:54
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