Sodium sulphite
Formula: na2so3
M. W.: 126.04
Cas no.: 7757-83-7
Description: white crystalline powder.
Specifications:
Item Super First Qualified
Purity (na2co3) 97.0%min. 96% min. 93.0%min.
Fe 0.003%max. 0.005%max. 0.01%max.
Water insolubles 0.02%max. 0.03% max. 0.05%max.
Free alkal 0.10%max. 0.40% max. 0.60%max.
Na2so4 2.5%max.
Nacl 0.10%max.
Uses: it is used as a desoxydating or bleaching agent for printing and dyeing industry, as a developer for photographic industry. As a lignin-removing agent for paper industry, as a stabilizer for synthetic fiber for textile industry, as a reducing agent for chemical industry, or for electroplating industry etc.
Packing: packed in 25kg net plastic woven bag.
Commodity:Sodium sulfite Molecular Formula: Na2SO3 Molecule Weight: 126.04 Appearance: white or light yellow crystalline powder Item Value Top-grade First grade Qualified product sodium sulfite (Na2SO3),% 98.0, 96.0, 93.0 Fe,% 0.003 0.005 0.02 water-Insoluble ,% water-Insoluble ,% 0.02, 0.03, 0.05 Free alkali(as Na2SO3),% 0.10, 0.40, 0.80 Sulfate(as Na2SO4),% 2.5 Chloride(as NaCl),% 0.10 Uses: used in leather and tannage, plant bleaching agent, reductant Packing: in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc. Net weight: 25,50,1000kilograms per bag or following your demand.
It is primarily used in pulp and paper industry. It is used as an oxygen scavenger agent , in the photographic industry to protect developer solutions from oxidation, in textile industry as a bleaching, as a desulfurizing and as a dechlorinating agent and in leather trade for the sulfitization of tanning extracts. It is used in chemical manufacturing as a sulfonation and sulfomethylation agent. It is used in the production of sodium thiosulfate. It is use in other applications include ore flotation, oil recovery, food preservative, making dyes, and detergent. It is mainly used in medicine, tannage and tanning. Sodium Sulfite Food Grade WC Code: 19-047-02 Sales Specification Appearance: White Powder Na2S2O3: 97.0% Min Sodium Sulphate: 2.5% Max Iron (Fe): 0.002% Max Water Insoluble: 0.02% Max Free Alkali (Na2CO3): 0.3% Max As: 0.0002% Max Heavy Metal (Pb): 0.001% Max Packing 50 lb paper bag , 44 bags per pallet
Our Other Hot selling products:- sodium Acetate Sodium Sulfate Sodium Nitrate Sodium Nitrite Ammonium sulfate Zinc Sulfate Magnesium Sulfate
Name:Sodium sulphite Appearance:White crystalline powder CAS No.:7757-83-7 Formula:Na2SO3 H.S. Code2832.10.00 Common Names:Hypo clear IUPAC Name:Sodium Sulfite 800 @ 25 kg Polythene plastic bag with a polypropylene over bag, 20 MT / 20'FCL
Classification: sulphate type: sodium sulfite cas no.: 7757-83-7 other names: sodium anhydrous mf: na2so3 einecs no.: 231-821-4 place of origin: shandong, china (mainland) grade standard: industrial grade, reagent grade purity: 97% appearance: white crystalline powder application: industrial grade, reagent grade brand name: blue ribbon model number: br-005 classification: sulphate mf: na2so3 grade standard: industrial grade, reagent grade brand name: blue ribbon type: sodium sulfite einecs no: 231-821-4 purity: 97% model number: br-005 cas no: 7757-83-7 appearance: white crystalline powder 1.Color: white crystalline powder 2.Purity: 97% 3.Packing:25kg/50kg bag or as per customer's request.
Characteristic: Physical Appearance Assay as Na2SO3 Ph of 10% solution Clarity of 20% solution Iron content Chloride content Heavy metals Free Alkali Specification: White crystalline powder 92% min 9. 5 to 11.00 clear / slight hazy 50PPM max 100PPM max 15 PPM max. 0.15% max. Application: Oxygen scavenger , water treatment chemical, metal treatment chemicals, paper mills, detergent, Oil field chemical. Dye & intermediates, leather treatment, photograph, specialty chemicals, photography, agro industry.
Na2SO3=85%,90%,93%. 25kg£¬1000kg,1100kg/bag.
Name: sodium sulfite CAS NO :7757-83-7 Grade: industrial grade, food grade Molecular formula : Na2SO3 Molecular weight: 126.04 Appearance : white crystalline powder Quality standard: HG/T 29672000 Packing: Net Weight 25kg or 50kg/plastic woven sack with PE inner-bag, 20MT/20fªFCL Sepcification: Index name Premium grade Super grade First grade Salable product Industrial grade Sodium sulfite ( Na2SO3 ) , % fª 97.0 96.0 93.0 90.0 Fe , f_ 0.003 0.005 0.01 / Water insoluble matter , % f_ 0.02 0.03 0.05 / Free alkali ( as Na2SO3 ) , % f_ 0.10 0.40 0.60 / Na2SO4 , % f_ 2.50 / / / NaCl , % f_ 0.10 / / / . Packing: double-layer plastic woven bag. Uses: bleaching agent for paper pulps; waste water treatment; reducing and sulphonating agent for chemical synthesis; bleaching agent for textiles; color striper and deoxidization; floating agent for mining; auxiliary chemical in tanning process. Packing: Net Weight 25kg or 50kg/plastic woven sack with PE inner-bag, 20MT/20fªFCL.
made in china, pls contact me for more details.
