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Tetra-n-butylammonium borohydride

Tetra-n-butylammonium borohydride

Product Details:


Product Description

LC5198 Tetra-n-butylammonium borohydride
for synthesis


Order number Packaging Quantity Price
AC32198 Glass bottle 10 g


Product information
Synonyms Tetra-n-butylammonium-tetrahydridoborate
Hill Formula C16H40BN
HS Code 2942 00 00
EC number 251-658-2
Molar mass 257.31 g/mol
CAS number 33725-74-5


Chemical and physical data
Melting point 124 - 129 C
Molar mass 257.31 g/mol
Flash point 140 C


Safety information according to GHS
Hazard Statement(s) H261: In contact with water releases flammable gases.
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.
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)

Storage class 4.3 Materials that form flammble gases in contact with water
WGK WGK 3 highly 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 34
Causes burns.
S Phrase S 6-26-36/37/39-45
Keep under protective gas.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 accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger corrosive
Hazard Symbol Corrosive


Transport information
Declaration (transport by sea) IMDG-Code UN 3131 WATER-REACTIVE SOLID, CORROSIVE, N.O.S.(TETRA-N-BUTYLAMMONIUMBOROHYDRIDE), 4.3 (8), II, Segregation Group: 18 (Alkalis)


Assay (hypochlorite)  97 %
Melting range
- lower value
 124 C
- upper value  129 C
Identity (IR) passes test
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