CAS number:  CAS 16940-66-2

English name: Sodium Borohydride

Alias: Sodium borohydride powder; BH4Na;SBH powder or granule

Molecular formula: NaBH4

Relative molecular weight: 37.85

UN Code: 1426

Characteristics:

Appearance and properties: White to grayish white crystalline powder or block, with strong moisture absorption.

Relative density: 1.07

Melting point: 36 ℃

Boiling point: 400 ℃ (vacuum)

Concentration:  98% powder or granule;  12% solution

Solubility: Soluble in water and liquid ammonia, insoluble in ether, benzene, and hydrocarbons.

Application:

Used for manufacturing other borohydride salts, reducing agents, wood pulp bleaching, plastic foaming agents, etc.

Hazardous characteristics:

Exposure to water, humid air, acids, oxidants, high heat, and open flames can cause combustion.

Handling and storage:

Operation: Closed operation, local ventilation. Operators must undergo specialized training and strictly adhere to operating procedures. It is recommended that operators wear dust masks (full face masks), rubber protective clothing, and rubber gloves. Keep away from sparks and heat sources, and smoking is strictly prohibited in the workplace. Use explosion-proof ventilation systems and equipment. Avoid generating dust. Avoid contact with oxidants, acids, alkalis, and alcohols. Pay particular attention to avoiding contact with water. When transporting, it is necessary to load and unload gently to prevent damage to the packaging and containers. Equip corresponding types and quantities of firefighting equipment and emergency response equipment for leaks. Empty containers may have residual harmful substances.

Storage: Store in a cool, dry, and well ventilated warehouse. Keep away from sparks and heat sources. The temperature of the warehouse shall not exceed 25 ℃, and the relative humidity shall not exceed 75%. Keep the container sealed. It should be stored separately from oxidants, acids, alkalis, alcohols, and edible chemicals, and should not be mixed for storage. Using explosion-proof lighting and ventilation facilities. Prohibit the use of mechanical equipment and tools that are prone to sparks. The storage area should be equipped with suitable materials to contain leaks.

Transportation precautions:

During transportation, it is necessary to ensure that the container does not leak, collapse, fall, or be damaged. It is strictly prohibited to mix and transport oxidants, acids, alkalis, alcohols, edible chemicals, etc. During transportation, it is necessary to prevent exposure to sunlight, rain, and high temperatures. During a stopover, stay away from sparks and heat sources. The vehicle should be thoroughly cleaned after transportation. It is prohibited to slide during railway transportation.

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