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438472

Sigma-Aldrich

Potassium borohydride

99.9% trace metals basis

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:
12352302
PubChem Substance ID:
24867455
NACRES:
NA.23
form:
powder
Pricing and availability is not currently available.

Quality Level

200

Assay

99.9% trace metals basis

form

powder

reaction suitability

reagent type: reductant

impurities

≤1% Na

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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Related Categories

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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCR6071
MKCN8595
MKCG5116
MKBZ9690V
MKBV3238V

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A P Seddon et al.
The Journal of biological chemistry, 261(25), 11538-11543 (1986-09-05)
Bacterial 5-oxoprolinase is composed of two protein components: Component A, which catalyzes 5-oxoproline-dependent ATP-hydrolysis and Component B, which couples the hydrolysis of ATP with the decyclization of 5-oxoproline to form glutamate (Seddon, A. P., Li, L., and Meister, A. (1984)
Zhenli Zhu et al.
Analytica chimica acta, 607(2), 136-141 (2008-01-15)
A new atomizer based on atmospheric pressure dielectric barrier discharge (DBD) plasma was specially designed for atomic fluorescence spectrometry (AFS) in order to be applied to the measurement of arsenic. The characteristics of the DBD atomizer and the effects of
G A Francis et al.
Biochemistry, 19(22), 5104-5111 (1980-10-28)
Reduction with [3H]KBH4 of Schiff's bases generated by reaction with pyridoxal 5'-phosphate (which cannot penetrate the intact cytoplasmic membrane) yields tritium-labeled derivatives of both proteins and lipids accessible on the periplasmic side of the cytoplasmic membrane. Application of this technique
Hanwen Sun et al.
Analytical and bioanalytical chemistry, 382(4), 1060-1065 (2005-06-02)
A new method is proposed for simultaneous determination of traces of arsenic (As) and selenium (Se) in biological samples by hydride-generation double-channel non-dispersive atomic-fluorescence spectrometry (HG-AFS) from tartaric acid media. The effects of analytical conditions on fluorescence signal intensity were
Feng Li et al.
Journal of chromatography. A, 1081(2), 232-237 (2005-07-26)
A novel method for speciation analysis of inorganic arsenic was developed by on-line hyphenating microchip capillary electrophoresis (chip-CE) with hydride generation atomic fluorescence spectrometry (HG-AFS). Baseline separation of As(III) and As(V) was achieved within 54 s by the chip-CE in
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