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Sodium Sulfite Anhydrous
Property: white powder crystal,relative density is 1.561, less to dissolve in water and its water solution has alkaline reaction; it is hard to dissolve in ethanol. It is used to produce chloroform,solasulfone and Benzaldehyde in medical industry.
Molecular Formula : Na2SO3
Molecule Weight : 126.04
CAS NO .: 7757-83-7
Application :
(1) Industry Grade : Used in Dyeing and printing Industry ,as dechlorinating agent and bleaching agent, in leather and tanning industry as bleaching agent , developer agent , reductant agent , stabilizer agent , or used in papermaking, electronic and water treatment industry.
(2) Food Grade: In food industry as additive (E223) preservative, antioxidant and antimicrobic for fruits (dried, glazed and candled), vegetables (onions, potatoes, etc.), juices (citrus and grapes) and fish (shrimps and prawns). In silage treatment as antifermentative. In starch and sweeteners production as bacteriostatic.
Specification for Industry Grade and Food Grade :
Item | Quality Index | |
Industry Grade | Food Grade | |
Purity ( As Na2SO3) | 96.0% min | 96.50% min |
Free alkali (As Na2CO3 ) | 0.1% max | 0.1% max |
Chlorides ( As NaCL) | 0.08% max | 0.08% max |
Arsenic ( As ) | - | 0.0002% max |
Heavy metals ( As Pb ) | - | 0.001% max |
Iron (Fe) | 0.002% max | 0.002% max |
Water insolubles | 0.01% max | 0.01% max |
Packing : 25kg double-layer plastic woven bag(as your request).
Payment terms: L/C or T/T
Delivery time: 15~20days after order confirmed(depends on quantity).
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Company : Hunan Yueyang Sanxiang Chemical Co., Ltd.Address : Qilishan community, Yueyang, Hunan, R.P.ChinaFax :+86-730-8555728
Contact person : Henry Wang +86-13469239119
Sodium Sulfite Anhydrous NO-126