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Sodium borohydride

Sodium borohydride

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Product Description

LC5355 Sodium borohydride
GR for analysis

 

Order number Packaging Quantity Price
AC32355 Glass bottle 100 g
126.00

 

Product information
Synonyms Sodium tetrahydridoborate
Hill Formula H4BNa
Chemical formula NaBH4
HS Code 2850 00 20
EC number 241-004-4
Molar mass 37.83 g/mol
CAS number 16940-66-2

 

Chemical and physical data
Ignition temperature 220 C
Solubility 550 g/l (25 C) (slow decomposition)
Melting point ca.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 ca.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.
P402 + P404: Store in a dry place. Store in a closed container.
Signal Word Danger
Hazard Pictogram(s)

RTECS ED3325000
Storage class Materials that form flammble gases in contact with water
WGK WGK 2 water endangering
Disposal 26
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.

 

Safety information
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 oxidizing 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
Hazard Symbol

Flammable

Very toxic

 

Transport information
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

 

Toxicological data
LD 50 oral LD50 rat 160 mg/kg
LD 50 dermal LD50 rabbit 230 mg/kg

 

Specifications
Assay (oxidimetric)  96.0 %
Identity passes test
Chloride (Cl)  0.5 %
Sulphate (SO4)  0.005 %
Heavy metals (as Pb)  0.005 %
As (Arsenic)  0.001 %
Bi (Bismuth)  0.0005 %
Fe (Iron)  0.005 %
Hg (Mercury)  0.00001 %
Sb (Antimony)  0.005 %
Se (Selenium)  0.0002 %
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