SODIUM METABISULPHITE

Post Date:
Jun 09,2020
Expiry Date:
Dec 06,2020
Detailed Description:
Cas No. :7681-57-4 Specs:98%min

SODIUM METABISULPHITE
Molecular Formula:Na₂S₂O₅
CAS#:7681-57-4
HS Code:28321000
Appearance:White powder
Qualities are conformed:GB1893-2000
ITEMS
UNIT
SPECIFICATION
Purity
%min
97
As
(ppm) max
5
Fe
(ppm) max
50
Pb
(ppm) max
10
Cd
(ppm) max
10
PH

4-5
Water insolubles
(%)max
0.05
Usage
it 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.
Packing
Net 25kgs woven bags with inner liner.
Storage
Sealed 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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