Sodium Metabisulphite

Post Date:
Jun 11,2020
Expiry Date:
Dec 08,2020
Detailed Description:
Cas No. :7681-57-4 SODIUM METABISULPHITEMolecular Formula:Na2S2O5CAS#:7681-57-4HS Code:28321000Appearance:White powderQualities are conformed:GB1893-2000
ITEMS UNIT SPECIFICATION
Purity %min 98
As (ppm) max 5
Fe (ppm) max 50
Pb (ppm) max 10
Cd (ppm) max 10
PH 4-5
Water insolubles (%)max 0.05
Usageit is for printing and dyeing industry, organic synthesis, printing, leather, pharmaceutical and other sectors; in food processing as preservatives, bleaching agents, baking powder.And used in industrial mineral processing.PackingNet 25kgs woven bags with inner liner.StorageSealed in cool and dry place.
CAS Registry Number:
7681-57-4
Synonyms:
;Sodium pyrosulfite;disodium disulphite;Sodium metabisulphite;Sodium disulphite;Sodium pyrosulphite;SODIUM DISULFITE;disodium oxidosulfanesulfonate oxide;Sodium Metabi;Metabisulfite Sodium;Sodium Metabisulfite (Food Grade);
Molecular Formula:
Na₂S₂O₅
Molecular Weight:
190.1065
Molecular Structure:
Hazard Symbols:
Xn:Harmful;
Risk Codes:
R22:;
R31:;
R41:;
Safety Description:
S26:;
S39:;
S46:;

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