Orthoboric acid 99.8-100.5%, crystallised, AnalaR NORMAPUR® analytical reagent

Supplier: VWR Chemicals
Danger

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

20185.297EA 6552 INR
20185.297 20185.360 20185.260 20185.460
Orthoboric acid 99.8-100.5%, crystallised, AnalaR NORMAPUR® analytical reagent
ortho-Boric acid
Formula: B(OH)₃
MW: 61,83 g/mol
Boiling Pt: 185 °C (1013 hPa)
Melting Pt: 160 °C
Density: 1,44 g/cm³ (25 °C)
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

Assay 99.8 - 100.5 %
Organic impurities Passes test
Solution in water Passes test
Heavy metals (as Pb) Max. 5 ppm
Insolubility in methanol Max. 50 ppm
Insolubility in water Max. 50 ppm
Non-esterifiable impurities Max. 0.1 %
Non-volatile with methanol/HCl Max. 0.05 %
NH4 (Ammonium) Max. 20 ppm
Cl (Chloride) Max. 3 ppm
PO4 (Phosphate) Max. 5 ppm
SO4 (Sulphate) Max. 5 ppm
As (Arsenic) Max. 0.5 ppm
Ca (Calcium) Max. 20 ppm
Cu (Copper) Max. 2 ppm
Fe (Iron) Max. 1 ppm
Mg (Magnesium) Max. 5 ppm
Pb (Lead) Max. 5 ppm

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