Orthoboric acid 99.5% analysis_for

Supplier: THERMO FISHER SCIENTIFIC CHEMICALS

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217080025 217080100 217085000

TS217080025EA 165 USD

TS217080025 TS217080100 TS217085000

Orthoboric acid 99.5% analysis_for

ortho-Boric acid

Formula: B(OH)₃
MW: 61.83 g/mol
Boiling Pt: 185
Melting Pt: 160 (dec.)
Storage Temperature: Ambient

MDL Number: MFCD00011337
CAS Number: 10043-35-3
EINECS: 233-139-2
REACH: 01-2119486683-25
Merck Index: 13,01326

Specification Test Results

Appearance	White Crystalline powder or crystals
pH	3.6 to 4.0 (4 % at 20°C)
Titration with NaOH	≥99.4 %
Chloride (Cl)	≤3 ppm
Phosphate (PO4)	≤5 ppm
Sulfate (SO4)	≤5 ppm
Arsenic (As)	≤0.5 ppm
Cadmium (Cd)	≤5 ppm
Calcium (Ca)	≤20 ppm
Copper (Cu)	≤5 ppm
Iron (Fe)	≤1 ppm
Magnesium (Mg)	≤5 ppm
Zinc (Zn)	≤5 ppm
Heavy metals (as Pb)	≤5 ppm
Insoluble matter	≤0.005 % (in methanol)
Non-volatiles w. MeOH/HCl	≤0.05 %

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