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Borax Anhydrous

Catalog No. 71997 Name Sigma Aldrich
CAS Number 1330-43-4 Website http://www.sigmaaldrich.com
M. F. B4Na2O7 Telephone 1-800-521-8956
M. W. 201.21934 Fax
Purity ≥99% Email
Storage Chembase ID: 134111

SYNONYMS

Title
无水硼砂
IUPAC name
disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)
IUPAC Traditional name
disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)
Synonyms
四硼酸钠
Sodium tetraborate

DATABASE IDS

EC Number 215-540-4
MDL Number MFCD00081185
CAS Number 1330-43-4
PubChem SID 24886339

PROPERTIES

Antion Traces chloride (Cl-): ≤10 mg/kg
Antion Traces phosphate (PO43-): ≤20 mg/kg
Antion Traces sulfate (SO42-): ≤50 mg/kg
Cation Traces Al: ≤5 mg/kg
Cation Traces As: ≤0.5 mg/kg
Cation Traces Ba: ≤5 mg/kg
Cation Traces Bi: ≤5 mg/kg
Cation Traces Ca: ≤50 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 K: ≤50 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 Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Sr: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Impurities insoluble matter, passes filter test
λ 0.1 M in H2O
Linear Formula Na2B4O7
Loss on Drying ≤1% loss on drying, 20 °C (HV)
Product Line BioUltra
Purity ≥99%
Absorption Wavelength λ: 260 nm Amax: ≤0.020
Absorption Wavelength λ: 280 nm Amax: ≤0.015
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 Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
GHS Precautionary statements P201-P308 + P313
Risk Statements 60-61
RTECS ED4588000
Safety Statements 53-45
German water hazard class 1

DETAILS

REFERENCES