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Safety Information

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:
13709-94-9
Molecular Weight:
81.91 (anhydrous basis)
EC Number:
237-262-2
MDL number:
MFCD00049678
UNSPSC Code:
12352302
PubChem Substance ID:
57646940
NACRES:
NA.22

Quality Level

100

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
GHS08

Signal Word

Warning

Hazard Statements

H361fd

Hazard Classifications

Repr. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

11619-1KG:
11619-50KG:
11619-BULK:
11619-25KG-H:
11619-VAR:
11619-6X1KG:

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Certificates of Analysis (COA)

Lot/Batch Number
BCBR3698V
BCBQ8641V
BCBP1702V
BCBN1592V
BCBN1591V

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