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sodium hydrogensulfite/high quality/best price CAS NO.7631-90-5

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Min.Order Quantity:
10 Gram
Wuhan, Shanghai, Guangzhou, Tianjin port
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L/C,T/T,Western Union,MoneyGram,Other

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Product Details


  • sodium hydrogensulfite
  • high purity sodium hydrogensulfite
  • high quality cas 7631-90-5

Quick Details

  • ProName: sodium hydrogensulfite/high quality/be...
  • CasNo: 7631-90-5
  • Molecular Formula: HNaO3S
  • Appearance: white powder
  • Application: Fine Intermediate
  • DeliveryTime: within in 5-7 working days after recei...
  • PackAge: 25kg/paper drum or basis user request
  • Port: Wuhan, Shanghai, Guangzhou, Tianjin po...
  • ProductionCapacity: 200 Kilogram/Month
  • Purity: 99%
  • Storage: Store in dry, dark and ventilated plac...
  • Transportation: by sea/by express
  • LimitNum: 10 Gram
  • Grade: Industrial Grade,Pharma Grade


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Sodium bisulfite (sodium hydrogen sulfite) is a chemical compound with the chemical formula NaHSO3. Sodium bisulfite is a food additive with E number E222. This salt of bisulfite can be prepared by bubbling sulfur dioxide in a solution of sodium carbonate in water. Sodium bisulfite in contact with chlorine bleach (aqueous solution of sodium hypochlorite) will generate heat and form sodium bisulfate and sodium chloride.

Appearance & Physical State: white powder
Density: 1.48
Melting Point: 150ºC
Refractive Index: 1.43 - 1.47
Water Solubility: 300 g/L
Stability: Stable. Incompatible with strong oxidizing agents, strong acids.
Storage Condition: Store at RT.

Safety Info
RTECS: UX8225000
Safety Statements: S25-S46
HS Code: 2832200000

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