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Sodium tetraborate decahydrate_Molecular_structure_CAS_1303-96-4)
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Sodium tetraborate decahydrate

Catalog No. 71999 Name Sigma Aldrich
CAS Number 1303-96-4 Website http://www.sigmaaldrich.com
M. F. B4H20Na2O17 Telephone 1-800-521-8956
M. W. 381.37214 Fax
Purity ≥99.5% (T) Email
Storage Chembase ID: 126206

SYNONYMS

Title
四硼酸钠 十水合物
IUPAC name
disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate) decahydrate
IUPAC Traditional name
disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate) decahydrate
Synonyms
Sodium borate decahydrate
硼砂 十水合物
硼酸钠 十水合物
Borax decahydrate

DATABASE IDS

EC Number 215-540-4
MDL Number MFCD00149193
CAS Number 1303-96-4
PubChem SID 24886340

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: ≤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: ≤20 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 · 10H2O
Product Line BioUltra
Purity ≥99.5% (T)
Absorption Wavelength λ: 260 nm Amax: 0.012
Absorption Wavelength λ: 280 nm Amax: 0.010
Density 1.73 g/mL at 25 °C(lit.)
pH 9.0-9.5 (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 VZ2275000
Safety Statements 53-45
German water hazard class 1

DETAILS

Description (English)
Other Notes
Primary standard buffer1
Description (简体中文)
Other Notes
Primary standard buffer1

REFERENCES