Orthoboric acid ≥99.8%, Puriss. p.a. ACS, ISO, Reag. Ph. Eur. buffer substance, Fluka™
Supplier: HONEYWELL
|
Danger
|
31146-2.5KG
31146-1KG
31146-25KG
31146-500G
31146-6X1KG
31146-6X2.5KG
31146-2.5KGEA
139
EUR
31146-2.5KG
31146-1KG
31146-25KG
31146-500G
31146-6X1KG
31146-6X2.5KG
Orthoboric acid ≥99.8%, Puriss. p.a. ACS, ISO, Reag. Ph. Eur. buffer substance, Fluka™
ortho-Boric acid
Formula:
B(OH)₃ 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 |
|
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 |
Learn more

About VWR
Avantor is a vertically integrated, global supplier of discovery-to-delivery solutions for...