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Safety Information

60080

Sigma-Aldrich

Potassium borohydride

purum, ≥97.0% (RT)

Synonym(s):

Potassium tetrahydroborate

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About This Item

Linear Formula:
KBH4
CAS Number:
13762-51-1
Molecular Weight:
53.94
EC Number:
237-360-5
MDL number:
MFCD00011396
UNSPSC Code:
12352000
PubChem Substance ID:
329758750
NACRES:
NA.22

grade

purum

Quality Level

100

Assay

≥97.0% (RT)

reaction suitability

reagent type: reductant

mp

500 °C (dec.) (lit.)

density

1.18 g/mL at 25 °C (lit.)

SMILES string

[K+].[H][B-]([H])([H])[H]

InChI

1S/BH4.K/h1H4;/q-1;+1

InChI key

ICRGAIPBTSPUEX-UHFFFAOYSA-N

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Application

Potassium borohydride can be used:
  • As a reducing agent and boron source in organic synthesis.
  • As a reducing agent in the preparation of copper nanoparticles.
  • To reduce toxic 2-nitroaniline to less toxic o-phenylenediamine using different catalytic systems.

Reactant commonly used as a reducing agent and as a boron source

Signal Word

Danger

Hazard Statements

H260,H301,H314,H360FD

Hazard Classifications

Acute Tox. 3 Oral - Eye Dam. 1 - Repr. 1B - Skin Corr. 1B - Water-react 1

Storage Class Code

4.3 - Hazardous materials which set free flammable gases upon contact with water

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PRTR

Class I Designated Chemical Substances

FSL

Group 3: Spontaneously combustible substances and water- reactive materials
Metal hydrides
Hazardous rank I
1st spontaneously combustible materials and water reactive materials

JAN Code

60080-25G:
60080-VAR:
60080-100G:
60080-BULK:

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Certificates of Analysis (COA)

Lot/Batch Number
STBK6348
STBJ6007
STBJ5198
STBJ2762
STBH3230

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Reduction of nitroarenes to azoxybenzenes by potassium borohydride in water
Liu Y, et al.
Molecules (Basel), 16(5), 3563-3568 (2011)
Low-temperature solid state synthesis and in situ phase transformation to prepare nearly pure cBN
Lian G, et al.
Dalton Transactions, 40(26), 6961-6967 (2011)
S. Yan and S. Zhang,
International Journal of Hydrogen Energy, 36, 13392-13397 (2011)
A. Yin, et al.,
Applied Catalysis, 400, 39-47 (2011)
Gang Lian et al.
Dalton transactions (Cambridge, England : 2003), 40(26), 6961-6967 (2011-06-07)
Cubic boron nitride (cBN) is synthesized by a low-temperature solid state synthesis and in situ phase transformation route with NH(4)BF(4), B, NaBH(4) and KBH(4) as the boron sources and NaN(3) as the nitrogen source. Furthermore, two new strategies are developed
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