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SODIUM BOROHYDRIDE LR GRADE
|HS Code||2850 00 20|
|Molar mass||37.83 g/mol|
|Chemical and physical data|
|Ignition temperature||220 °C|
|Solubility||550 g/l (25 °C) (slow decomposition)|
|Melting point||400 °C (slow decomposition)|
|Molar mass||37.83 g/mol|
|Density||1.07 g/cm3 (20 °C)|
|Bulk density||350 - 500 kg/m3|
|pH value||11 (10 g/l, H2O, 20 °C)|
|Boiling point||500 °C (decomposition)|
|Explosion limit||3.02 %(V)|
|Safety information according to GHS|
|Hazard Statement(s)||H260: In contact with water releases flammable gases which may ignite spontaneously.
H301 + H311: Toxic if swallowed or in contact with skin
H314: Causes severe skin burns and eye damage.
|Precautionary Statement(s)||P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P309 + P310: IF exposed or if you feel unwell: Immediately call a POISON CENTER or doctor/physician.
P402 + P404: Store in a dry place. Store in a closed container.
|Storage class||4.3 Hazardous materials, which set free flammable gases upon contact with water|
|WGK||WGK 2 water endangering|
Alkali and alkaline-earth metals should be taken up in an inert solvent and neutralized by adding 2-propanol (Cat. No. 100995) dropwise with stirring. Should the reaction be more violent than expected, conversion should be carried out with tert-butanol or octanol. Caution: This reaction produces hydrogen, which can form explosive mixtures; take necessary precautions. When the reaction has ceased, add water dropwise; neutralize; container D. In the case of alkali or alkaline-earth borohydrides, add methanol (Cat. No. 106008) with stirring; in the case of alkali or alkaline-earth amides and hydrides, organoaluminium and organotin hydrides, add 2-propanol (Cat. No. 100995) dropwise. The substances, which are usually in solid form, should be previously suspended in an ether! When the respective reaction has ceased, hydrolize with water; then neutralize. Container D or E. Lithium aluminium hydride must also be destroyed by slurrying in an ether. Under an inert gas and with thorough stirring, add dropwise a 1:4 mixture of ethyl acetate (Cat. No. 822277) and the ether used to prepare the slurry. Always ensure thorough mixing (stirring)! Container A.
|R Phrase||R 15-24/25-35
Contact with water liberates extremely flammable gases.Toxic in contact with skin and if swallowed.Causes severe burns.
|S Phrase||S 14-26-36/37/39-43-45
Keep away from oxidising and acidic substances as well as heavy-metal compounds.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of fire, use sand. Never use water.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
|Categories of danger||highly flammable, toxic, corrosive|
|Declaration (railroad and road) ADR, RID||UN 1426 Natriumborhydrid, 4.3, I|
|Declaration (transport by sea) IMDG-Code||UN 1426 SODIUM BOROHYDRIDE, 4.3, I|
|Declaration (transport by air) IATA-DGR||UN 1426 SODIUM BOROHYDRIDE, 4.3, I|
|LD 50 oral||LD50 rat 160 mg/kg|
|LD 50 dermal||LD50 rabbit 230 mg/kg|