China Suppliers > Weifang Haiye Chemistry And Industry Co.,Ltd > Sodium sulfite
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- Details for Sodium sulfite
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Sodium sulfite
Category : Inorganic chemicals
CAS NO : 7757-83-7 EC NO : 231-821-4 MF : Na2SO3 MW : 126.04 Specification : 90%，93%，96%，97%，98% Packing : Net 25/50/1000kg in pp bag Product description : ITEM CAS NO. UN NO./H.S CODE PURITY Hazard Class Molecular Formula: WEIGHT QUANTITY/20' FCL Sodium Sulfite Anhydrous 7757-83-7 283210 90/93/97% NO Na2SO3 25KG Bag 26MT Product Name: Sodium sulfite anhydrous CAS NO: 7577-83-7 Molecular Formula: Na2SO3 Specifications Item Grade Best quality First quality Qualifier Sodium sulfite (Na2SO3) Assay, % ≥ 97.0 ≥ 96.0 ≥ 93.0 Fe, % ≤ 0.003 ≤ 0.005 ≤ 0.02 Insol. in water, % ≤ 0.02 ≤ 0.03 ≤ 0.05 Free alkali (Na2SO3) Assay, % ≤ 0.10 ≤ 0.40 ≤ 0.80 Sulphate (Na2SO4) Assay, % ≤ 2.5 — — Chlorides (NaCl) Assay, % ≤ 0.10 — Packing: 25kg plastic woven bag, 50kg/500kg/1000kg flexible freight bag, or upon clients' demand. Specifications: white crystal or powder; pH of aqueous solution: 9-9.5, At 33.4oC,it solubility is 28%. Density: 2.633(15.4oC), refracitive index: 1.565; Molecular weight126.04.
H.S code: 283210Use: Used as deoxidant and bleaching agent for printing & dyeing industry; also used for paper making, electronic and water treatment industries. Uses : used in leather and tannage, plant bleaching agent, reductant Synonyms : Sodium sulfite anhydrous;Sodium sulphite;anhydrous sodium sulfite;Sodium sulfite ,anhydrous;Sodium Sulfite (Food Grade); Molecular Structure : 
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