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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
grade:
for analytical purposes
form:
powder

grade

for analytical purposes

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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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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D E Atsma et al.
Arteriosclerosis and thrombosis : a journal of vascular biology, 13(1), 78-83 (1993-01-01)
In this study we evaluated two different 99mTc-labeling techniques to produce 99mTc-low density lipoprotein (99mTc-LDL) suitable for the scintigraphic delineation of experimental atherosclerotic lesions. The two methods are 1) a procedure that uses stannous chloride and sodium borohydride (borohydride method)
J Fan et al.
Journal of immunology (Baltimore, Md. : 1950), 131(3), 1426-1432 (1983-09-01)
Alloimmune murine thymus-derived cytotoxic lymphocytes (CTL) generated in vivo or in vitro are shown to lyse antigen-nonspecific target cells (tumor cells, Con A, and LPS blasts) following treatment of CTL with an oxidizing agent, sodium periodate (NaIO4). It has been
P Toowicharanont et al.
Journal of reproduction and fertility, 67(1), 133-141 (1983-01-01)
Sialoglycoproteins of rat epididymal fluid and spermatozoa were radiolabelled by the NaIO4/KB3H4 method. At least 10 sialoglycoproteins of the epididymal fluids could be consistently demonstrated by polyacrylamide gel electrophoresis in sodium dodecyl sulphate. Two major ones (Mr 21000 and 66000)
Mechanism of T-dependent cytotoxicity: role of papain-sensitive non class I MHC target molecules and expression of target antigen for cytotoxicity.
B Bonavida et al.
Advances in experimental medicine and biology, 184, 415-428 (1985-01-01)
Jesus R Medina et al.
The Journal of organic chemistry, 68(12), 4631-4642 (2003-06-07)
Representative organoborane mixtures were quantitatively converted to their borohydrides through their reaction with activated KH (KH), permitting their detailed analysis by (11)B NMR. Through the treatment of commercial KH with a THF solution of lithium aluminum hydride (LAH), a dramatic
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