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| Product Name: |
sodium metabisulfite
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| Supply Ability: |
Thirty thousand Tons |
| Related proudcts |
sodium metabisulfite, sodium pyrosulfite, cas: 7681-57-4, |
| Specifications |
97.2% sodium metabisulfite |
| Price Term: |
FOB |
| Port of loading: |
Yueyang |
| Minimum Order |
20 |
| Unit Price: |
USD 285 per ton |
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I. Fine quality ,
II. Favorable price
III. First class services
IV. Professional Supplier
V. Sodium Metabisulfite
Sodium Metabisulfite
Molecular formula : Na2S2O5
Molecular weight : 190.10
Appearance : white or light yellow crystalline powder , relative density is 1.4 .
Applications: Sodium metabisulfite's reductive and sulfonating properties provide versatile applications. It is used as an oxygen scavenger to eliminate the dissolved oxygen in waste water and in pipes. Bisulfite is a reductive bleaching agent. It reduces carbonyl and alcohol groups, which function as colorants of the substances. It is used in bleaching mechanical paper pulp, cotton, wool and kaolin clay. Additional applications include as a preservative (antioxidant), a hair waving agent, and Ensiling agent. Bisulfites are used in industries concerned with leather processing, food and beverage processing, gas purification, water treatment to remove excess chlorine, textiles and pulp processing, and many others. It is used as a reducing agent in chemical manufacturing. It is an alternative to sulfur dioxide which is used in sterlization of equipment.
Quality standard : GB1893-1998
Item
Co***ny standard
Assay ( as Na2S2O5 ) % ¡Ý
97.0
Fe % ¡Ü
0.003
Clarity
clear
Heavy metal (Pb)% ¡Ü
0.001
As % ¡Ü
0.0002
Packing : External packing is PP woven bag, Internal packing is PE bag, the thickness ¡Ý0.05mm. There are "food additives Sodium metabisulfite" printed on the external packing, with the sign of "Avoid moisture and heat". The trademark is "Xianwang" .
Storage & defence: Stored in cool and dry place, avoid moisture and heat. No breakage, No mixed with oxidant and toxic matter. The storage period is 6 month since the production date. It should be transported by clean car, with covering matter, avoid raining.
Netwt: 25kg, 50kg, 1000kg/bag.
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| Company: |
Hunan Yinqiao Technology Co., Ltd
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| Contact: |
Ms. Janne Li |
| Address: |
Wushi Industrial Park |
| Postcode: |
414517 |
| Tel: |
86 730 3375077 |
| Fax: |
86 730 3375000 |
| E-mail: |
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