Home > Offer to Sell > Inorganic chemicals > Inorganic alkali > Sodium Metabisulfite

Sodium Metabisulfite

Inquiry
  Post Date: Mar 12,2015
  Expiry Date: Mar 11,2016
  Detailed Description: Cas No. :CAS No.: 7681-57-4 Quantity: 2000Metric Tons
Specs:Na2S2O5 97%
Price:330-380 USD Metric Tons
Payment Method: T/T or LC
Sodium Metabisulfite:

Appearance: White or light yellow crystalline power;
Molecular Formula: Na2S2O5
CAS No.: 7681-57-4
Place of Origin: Hebei, China(Mainland)

Spec:

Item Standard

Content 97.0% Min

SO2 65.0% Min

Na2S2O4 2.0% Max

Insolubles In Water 0.05% Max

Particle Size 85% (Mesh 200)

pH 4.5 -5.5

Fe 5ppm max

Heavy Metal 10 ppm max


As 1 ppm max

Main Uses:

Textile-printing and dyeing: As Mordant of printing and dyeing; Dechlorinate textile after bleaching; As agent for textile's boiling-off; As Sulphonated agent and reducer.
Pharmacy: Used to manufacture colorform\solasulfone\benzaldehyde etc; As Sulphonated agent and reducer.
Tanning: Used for treatment of leather to soften the surface and make the leather waterproof\more tough\antiwear.
Sensitization industry: Is served as the developing agent reductant and the protection of fixing bath dose and so on.
Food industry: It is used as bleacher\antiseptic\leavening agent\antioxidant\color fixative\preservative etc.
Waste Water Treatment: Used as an oxygen scavenger to eliminate the dissolved oxygen in waste water Mining: It is used for ore floatation.

Sodium Metabisulfite is an in many beacher in many industries. It is used in beaching mechanical paper pulp, cotton, wool and kaolin clay.

Packing: 25kgs/1MT/1.25MT per PP and PE bag

  CAS Registry Number:

CAS No.: 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: CAS No.: 7681-57-4 Sodium metabisulfite
  Hazard Symbols:  Xn:Harmful;
  Risk Codes: R22:;
R31:;
R41:;
  Safety Description: S26:;
S39:;
S46:;

  Company: Tianjin Xibeier International Co.,Ltd     [ China ]        
  Contact: De Xi,Zhao
  Tel: 022-24214095
  Fax: 022-24214097
  Email: cntjxibeier@163.com
Disclaimer statement:The information and data included above have been realized by the enterprises and compiled by the staff, and are subject to change without notice to you. The Chemnet makes no warranties or representations whatsoever regarding the facticity, accuracy and validity of such information and data. In order to ensure your interest, we suggest you chose the products posted by our gold suppliers or VIP members.