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11619

Sigma-Aldrich

Potassium metaborate

≥31% B2O3 basis, ≥42% K2O basis

Synonym(s):

Potassium borate

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About This Item

Linear Formula:
KBO2 · ~1.5H2O
CAS Number:
Molecular Weight:
81.91 (anhydrous basis)
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.22

Quality Level

composition

B2O3, ≥31%
K2O, ≥42%

impurities

≤0.005% heavy metals (as Pb)

anion traces

chloride (Cl-): ≤500 mg/kg
sulfate (SO42-): ≤1000 mg/kg

cation traces

Fe: ≤50 mg/kg

SMILES string

[K+].[O-]B=O

InChI

1S/BO2.K/c2-1-3;/q-1;+1

InChI key

JVUYWILPYBCNNG-UHFFFAOYSA-N

pictograms

Health hazard

signalword

Warning

hcodes

Hazard Classifications

Repr. 2

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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