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97% Purity Tech Grade Sodium Pyrosulfite Mordant For Dyeing Industry SMBS

97% Purity Tech Grade Sodium Pyrosulfite Mordant For Dyeing Industry SMBS

  • 97% Purity Tech Grade Sodium Pyrosulfite Mordant For Dyeing Industry SMBS
97% Purity Tech Grade Sodium Pyrosulfite Mordant For Dyeing Industry SMBS
Product Details:
Place of Origin: Hunan
Brand Name: OEM
Certification: SGS,ISO 9001
Model Number: sodium pyrosulfite-m
Payment & Shipping Terms:
Minimum Order Quantity: 1 metric ton
Price: usd 300 per metric ton
Packaging Details: 25 kgs bag,1000 kgs big bag
Delivery Time: 5-8 days
Payment Terms: T/T , L/C
Supply Ability: 3000 tons per month
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Detailed Product Description
Name: Sodium Pyrosulfite Mordant In Dyeing Industry Other Name: Sodium Metabisulfite Mordant In Dyeing Industry
Shelf Life: 365 Days Loading: 27 Tons Per Container
Usage: Chemical For Dyeing Industry Mordant Packing: 25 Kgs Plastic Woven Bag
High Light:

sodium metabisulfite powder


smbs sodium metabisulfite




Sodium Metabisulphite / SMBS (Na2S2O5)


1.Standard:Industrial Grade:HG/T2826—2008,Food Grade:GB1893—2008

2..Physical appearance:White or slightly yellow crystal powder.

3.Application :


Food agrade:In food additive, as Bleach, Leavening agent as well as Antioxidant Preservative.

Industry garde: Used in dyeing, organic synthesis, printing, leather, pharmaceutical industry.

4. Store it in aeration and shady place



Sodium Metabisulfite
Molecular Formula: Na2S2O5
Molecule Weight: 190.12
CAS NO.:7681-57-4
UN: 2693


Storage: store the products in dry and cool place.


1) Food Grade: bleach agent(e.g. candies, cake, bamboo shoots, etc); loose agent(e.g. bread, cracker etc); antiseptic and germicide(e.g. fruit juice, tinned food, brews, the cereals food is defended storage etc);
2) Industry grade: mordant of printing and dyeing; dechlorinate of textile after bleaching; sulphonated agent and reducer of chemical industry and pharmacy; bleach of paper pulp, bamboo and timber bleach of stap; treatment agent of waste water; rubber solidifying agent perfume industry is served as hydro carbon perfume aldehyde.
The hide profession employ to do to molt dose and piable dose and wearproof dose; sewage treatment, and so on.
3). Pharmaceutical grade: in chemical synthesis in the production of acrylic fibre, vitamin k, vitmin A, pharmaceutical intermediates, etc.
4). Photo grade: the sensitize industry is served as the developing agent reductant and the protection of fixing bath dose.



Content of Na2S2O5
(calculated by dry base) %
Content of SO2 65%
Content of chloride(NaCl)
(calculated by dry base) %
ARSENIC 0.0001
Content of insolubles in water
(calculated by dry base) %
Moisture % 1.0
Heavy Metal(AS Pb) 0.004
Iron(Fe) 0.0009
PH Value 4.5
Appearance of product White fine crystal with slightly yellowish
Packing 25kg/bag, polywoven plastic bag outer , and PE film bag inner

Appearance: white free flowing fine crystal or powder.
Property: white or light yellow crystal powder, a strong smell of sulfur dioxide, relative density is 1.4, easy to dissolve in water and glycerin, water solution. It has acidity, and its solubility will become large while raising the temperature and is less to dissolve in ethanol.
Packing: packed in 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.




Product Description

We are a main supplier of 98% Sodium Metabisulfite in China. We can supply you 98% Sodium Metabisulfite with competitive price.


97% Purity Tech Grade Sodium Pyrosulfite Mordant For Dyeing Industry SMBS 0


Contact Details

Contact Person: Ms.xie

Tel: +8613975090964

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