11620
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
UNSPSC Code:
12352302
PubChem Substance ID:
EC Number:
215-575-5
MDL number:
InChI key
FZICZLCGJZRAHS-UHFFFAOYSA-N
InChI
1S/B4O7.2K.4H2O/c5-1-8-3-10-4(11-3)9-2(6)7;;;;;;/h;;;4*1H2/q-2;2*+1;;;;
SMILES string
O.O.O.O.[K+].[K+].[O-]B([O-])OB1OB(OB=O)O1
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
Quality Level
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