White Fine CAS 7681-57-4 Na2S2O5 Sodium Metabisulphite

Basic Information
Place of Origin: Hunan, China
Brand Name: Sodium Metabisulphite
Model Number: Na2S2O5
Minimum Order Quantity: 25 Ton/20'
Price: Negotiable
Packaging Details: in the woven bag lined with plastic, net wt. 25kgs or 1000kgs bags.
Delivery Time: 20 Days
Payment Terms: L/C; D/P; T/T
Supply Ability: 20000 Ton/per year
Detail Information
Molecular Weight: 190.1065 Form: White Powder
Purity: 96.5% Min Smell: Like Rotten Eggs
Application: Water Purifier, Gas Purification Agent,mordant,herbicide; Pesticides. PH-Value: (50 G/l) At 20 °C: 3.5-5.0
Formula: Na2S2O5
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Na2S2O5 Sodium Metabisulphite


White Na2S2O5


Fine Na2S2O5

Product Description

Industrial Grade Na2S2O5 Sodium Metabisulphite Powder Na2S2O5 For Water Purifier




Formula Na2S2O5
Molecular Weight 190.1065
CAS 7681-57-4
HS Code 2832.1000.00
Appearance White or Light Brown Powder
Smell Like rotten eggs
pH-value (50 g/l) at 20 °C 3,5-5,0 Change in condition
Melting range >300 °C
Solubility in / Miscibility with Water at 20 °C 650 g/l



1.Sodium metabisulfite can be used as a chromatographic analysis reagent, preservative and reducing agent and used in dyes and pharmaceutical industries;

2.Sodium metabisulfite can be used as bleaching agent, mordant, reducing agent, rubber coagulant, also used in organic synthesis, pharmaceutical and perfume, etc.



Item Standard
Content(Na2S2O5) 96.5% MIN
Fe 30ppm MAX
Water insoluble 0.05%MAX
As 0.0001% MAX


White Fine CAS 7681-57-4 Na2S2O5 Sodium Metabisulphite 0White Fine CAS 7681-57-4 Na2S2O5 Sodium Metabisulphite 1

Contact Details

Phone Number : 86-13027429383