Acide borique ≥99.8%, Puriss. p.a. Reag. Ph. Eur., ACS, ISO substance tampon, Fluka™
Marques : Honeywell ChemicalsTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Danger
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Synonyme(s):
Acide orthoborique
Formule:
B(OH)₃ Poids moléculaire: 61.83 g/mol Point d'ébullition: 185 Point de fusion: 171 °C Densité: 1.510 g/cm³ (20 °C) Température de stockage: Température ambiante |
Numéro MDL:
MFCD00011337 Numéro CAS: 10043-35-3 EINECS: 233-139-2 REACH: 01-2119486683-25 Indice Merck: 13,01326 |
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Résultats des tests de spécification
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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