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Potassium tetraborate tetrahydrate

Catalog No. 60542 Name Sigma Aldrich
CAS Number 12045-78-2 Website http://www.sigmaaldrich.com
M. F. B4H10K2O11 Telephone 1-800-521-8956
M. W. 307.5134 Fax
Purity ≥99.0% (T) Email
Storage Chembase ID: 137951

SYNONYMS

Title
四硼酸钾 四水合物
IUPAC name
dipotassium tetrahydrate oxoboranyl [(oxoboranyl boronato)oxy]boronate
IUPAC Traditional name
dipotassium tetrahydrate oxoboranyl (oxoboranyl boronato)oxyboronate
Synonyms
Potassium biborate
硼酸钾

DATABASE IDS

MDL Number MFCD00149924
PubChem SID 24881912
EC Number 215-575-5
CAS Number 12045-78-2

PROPERTIES

Antion Traces chloride (Cl-): ≤10 mg/kg
Antion Traces phosphate (PO43-): ≤10 mg/kg
Antion Traces sulfate (SO42-): ≤50 mg/kg
Cation Traces Al: ≤5 mg/kg
Cation Traces As: ≤0.1 mg/kg
Cation Traces Ba: ≤5 mg/kg
Cation Traces Bi: ≤5 mg/kg
Cation Traces Ca: ≤10 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤5 mg/kg
Cation Traces Li: ≤5 mg/kg
Cation Traces Mg: ≤5 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Mo: ≤5 mg/kg
Cation Traces Na: ≤1000 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Sr: ≤5 mg/kg
Cation Traces Zn: ≤20 mg/kg
Impurities insoluble matter, passes filter test
λ 0.1 M in H2O
Linear Formula K2B4O7 · 4H2O
Product Line BioUltra
Purity ≥99.0% (T)
Absorption Wavelength λ: 260 nm Amax: 0.027
Absorption Wavelength λ: 280 nm Amax: 0.026
pH 9.0-10.5 (25 °C, 0.1 M in H2O)
Solubility H2O: soluble0.1 M at 20 °C, clear, colorless
GHS Pictograms GHS08
GHS Signal Word Danger
GHS Hazard statements H360FD
European Hazard Symbols Toxic Toxic (T)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P201-P308 + P313
Risk Statements 60-61
Safety Statements 53-45
German water hazard class 3

DETAILS

REFERENCES