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11620

Sigma-Aldrich

Potassium tetraborate tetrahydrate

≥99%

Synonym(s):

Potassium biborate

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About This Item

Linear Formula:
K2B4O7 · 4H2O
CAS Number:
Molecular Weight:
305.50
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:

Quality Level

Assay

≥99%

impurities

≤0.002% heavy metals (as Pb)

mp

100 °C (lit.)

anion traces

chloride (Cl-): ≤20 mg/kg
sulfate (SO42-): ≤500 mg/kg

cation traces

Fe: ≤20 mg/kg

SMILES string

O.O.O.O.[K+].[K+].[O-]B([O-])OB1OB(OB=O)O1

InChI

1S/B4O7.2K.4H2O/c5-1-8-3-10-4(11-3)9-2(6)7;;;;;;/h;;;4*1H2/q-2;2*+1;;;;

InChI key

FZICZLCGJZRAHS-UHFFFAOYSA-N

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