11619
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)
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
237-262-2
MDL number:
InChI key
JVUYWILPYBCNNG-UHFFFAOYSA-N
InChI
1S/BO2.K/c2-1-3;/q-1;+1
SMILES string
[K+].[O-]B=O
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
Quality Level
signalword
Warning
hcodes
Hazard Classifications
Repr. 2
Storage Class
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Regulatory Information
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