Orthoboric acid 99.5% for analysis

Supplier: Thermo Fisher Scientific
Danger

Synonyms: Boron trihydroxide, Boron hydroxide, Boric acid, Boracic acid

217085000 217080025 217080100
ACRO217085000EA 42.9 EUR
ACRO217085000 ACRO217080025 ACRO217080100
Orthoboric acid 99.5% for analysis
ortho-Boric acid
Formula: B(OH)₃
MW: 61.83 g/mol
Boiling Pt: 185
Melting Pt: 169 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00011337
CAS Number: 10043-35-3
EINECS: 233-139-2
REACH: 01-2119486683-25
Merck Index: 13,01326
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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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