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Boric acid

Catalog No. 15665 Name Sigma Aldrich
CAS Number 10043-35-3 Website http://www.sigmaaldrich.com
M. F. BH3O3 Telephone 1-800-521-8956
M. W. 61.83302 Fax
Purity ≥99.5% (T) Email
Storage Chembase ID: 105578

SYNONYMS

Title
硼酸
IUPAC name
boric acid
IUPAC Traditional name
boric acid

DATABASE IDS

MDL Number MFCD00011337
EC Number 233-139-2
CAS Number 10043-35-3

PROPERTIES

Antion Traces chloride (Cl-): ≤3 mg/kg
Antion Traces phosphate (PO43-): ≤5 mg/kg
Antion Traces sulfate (SO42-): ≤5 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: ≤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 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 Na: ≤50 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
Impurities ≤0.05% non-volatile substances in MeOH/HCl
λ 1 M in H2O
Linear Formula H3BO3
Loss on Drying ≤0.5% loss on drying, 20 °C (HV)
Purity ≥99.5% (T)
Absorption Wavelength λ: 260 nm Amax: 0.015
Absorption Wavelength λ: 280 nm Amax: 0.010
Melting Point 160 °C (dec.)(lit.)
pH 3.6-4.4 (25 °C, saturated solution in H2O)
Vapor Pressure 2.6 mmHg ( 20 °C)
GHS Pictograms GHS08
GHS Signal Word Danger
GHS Hazard statements H360
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 ED4550000
Safety Statements 53-45
German water hazard class 1

DETAILS

Description (English)
Other Notes
Calibration of polyacrylamide gel columns for the separation of oligonucleotides by capillary electrophoresis1
Description (简体中文)
Other Notes
Calibration of polyacrylamide gel columns for the separation of oligonucleotides by capillary electrophoresis1

REFERENCES