- Potassium tetrahydroborate
Potassium borohydride is a white crystalline or powdered solid.
Registry Numbers and Inventories.
highly flammable, toxic, corrosive
R 15 34
S 8 26 36/37/39 43 45
Swiss Giftliste 1
Japan ENCS (MITI)
Melting point, °C
Solubility in water
1.49 (20 C)
Hazards and Protection.
Keep away from water.
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Wear appropriate chemical protective clothing.
Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal.
Stable under normal temperatures and pressures.
Strong oxidizing agents - acids - alcohols - water.
Irritating and toxic fumes and gases, oxides of boron, borane.
Do not extinguish fire unless flow can be stopped. Do not use water. Use graphite, soda ash, powdered sodium chloride, or suitable dry powder.
Produce flammable gases on contact with water.
Produce flammable gases on contact with water. May ignite on contact with water or moist air. Some react vigorously or explosively on contact with water. May be ignited by heat, sparks or flames. May re-ignite after fire is extinguished. Some are transported in highly flammable liquids. Runoff may create fire or explosion hazard.
Fire will produce irritating, corrosive and/or toxic gases.
The toxological properties of this substance have not been fully investigated.
Inhalation or contact with vapors, substance, or decomposition products may cause severe injury or death.
Do NOT induce vomiting. Allow the victim to rinse his mouth and then to drink 2-4 cupfuls of water, and seek medical advice.
Remove from exposure to fresh air immediately.
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Flush with running water for at least 20 minutes.
2850 00 20
Std. Transport #