Orthoboric acid 99,8, Puriss. p.a. Reag. Ph. Eur., ACS, ISO Buffer_substance, Fluka™

Supplier: Honeywell Chemicals
Danger

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

31146-2.5KG 31146-1KG 31146-25KG 31146-500G 31146-6X1KG 31146-6X2.5KG
31146-2.5KGEA 117 GBP
31146-2.5KG 31146-1KG 31146-25KG 31146-500G 31146-6X1KG 31146-6X2.5KG
Orthoboric acid 99,8, Puriss. p.a. Reag. Ph. Eur., ACS, ISO Buffer_substance, Fluka™
ortho-Boric acid
Formula: B(OH)₃
MW: 61.83 g/mol
Boiling Pt: 185
Melting Pt: 171 °C
Density: 1.510 g/cm³ (20 °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 %
Appearance of the solution complying
Solubility in C₂H₅OH complying
Insoluble in methanol Max. 0.005 %
With methanol-HCl non-volatile matter Max. 0.05 %
pH (4 %, 20°C) 3.6 - 4.0
pH (3,3 %, 20 °C) 3.8 - 4.8
Arsenic (As) Max. 0.00005 %
Calcium (Ca) Max. 0.001 %
Cadmium (Cd) Max. 0.0005 %
Copper (Cu) Max. 0.0005 %
Iron (Fe) Max. 0.0001 %
Magnesium (Mg) Max. 0.0005 %
Lead (Pb) Max. 0.0005 %
Zinc (Zn) Max. 0.0005 %
Heavy metals (as Pb) Max. 5 ppm
Chloride (Cl) Max. 0.0003 %
Phosphate (PO₄) Max. 0.0005 %
Sulfate (SO₄) Max. 5 ppm
Organic matter complying


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