Sodium métabisulfite, sèche 97-100.5%, Puriss., Conforme aux spécifications analytiques BP, FCC, NF, Ph. Eur., E223, Fluka™
Fournisseur: Honeywell Chemicals
|
Danger
|
Synonyms:
Sodium disulfite
, Sodium pyrosulfite
13459-1KGEA
39.1
EUR
HONE13459.9025
13459-1KG
13459-5KG
13459-25KG
13459-4X5KG
13459-6X1KG
Sodium métabisulfite, sèche 97-100.5%, Puriss., Conforme aux spécifications analytiques BP, FCC, NF, Ph. Eur., E223, Fluka™
Sodium métabisulfite
Formule:
Na₂S₂O₅ MW: 190,11 g/mol Point d'ébullition: Decomposes on heating Point de fusion: >150 °C (déc.) Densité: 2,36 g/cm³ (20 °C) Température de stockage: Température ambiante |
Numéro MDL:
MFCD00167602 Numéro CAS: 7681-57-4 EINECS: 231-673-0 ATTEINDRE: 01-2119531326-45 |
Résultats des tests de spécification
Assay | 97.0 - 100.5 % |
Assay of Sulfur Dioxide | 65.0 - 67.4 % |
pH (5 %, 20°C) | 3.5 - 5.0 |
pH (10% solution) | 4.0 - 5.0 |
Arsenic (As) | Max. 2 ppm |
Copper (Cu) | Max. 0.001 % |
Iron (Fe) | Max. 10 ppm |
Mercury (Hg) | Max. 1 ppm |
Lead (Pb) | Max. 2 ppm |
Selenium (Se) | Max. 5 ppm |
Zinc (Zn) | Max. 0.001 % |
Heavy metals (as Pb) | Max. 10 ppm |
Chloride (Cl) | Max. 0.01 % |
Thiosulfate (S₂O₃) | Max. 0.02 % |
Thiosulfate (S₂O₃) | complying |
Appearance of the solution | complying |
Residual solvents | complying |
Learn more
About VWR
Avantor is a vertically integrated, global supplier of discovery-to-delivery solutions for...