China Sodium Metabisulfite
Inquiry
| Post Date: | Jan 04,2016 |
| Expiry Date: | Jul 02,2016 |
| Detailed Description: |
China Sodium Metabisulfite
Property: white or light yellow crystal powder, a strong smell of sulfur dioxide,relative density is 1.4, easy to dissolve in water and glycerin, water solution. It has acidity,and its solubility will become large while raising the temperature and is less to dissolve in ethanol. Molecular Formula : Na2S2O5 Molecule Weight : 190.12 CAS NO .: 7681-57-4 Appearance : White Free Flowing Fine Crystal or Powder Hs Code: 283210 Packing: Packed in 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement. Specification For Food Grade and Industry Grade : Item Quality Index Food Grade Industry Grade Purity ( As Na2S2O5) 98.0% min 96.0% min Sulfur Dioxide( SO2) 65.0% min 65.0% min Arsenic ( As ) 0.0002% max - Heavy metals ( As Pb ) 0.0005% max - Selenium (Se ) 0.0005% max - Iron (Fe) 0.001% max 0.002% max Water insoluble 0.02% max 0.05% max PH value : 4.0-4.8 4.0-4.8 Remark : Conformed with FCC V and E 223 Standard Specification for Pharmaceutical Grade and Photo Grade Item Quality Index Pharmaceutical Grade Photo Grade Purity ( As Na2S2O5) 98.0% min 98.0% min Sulfur Dioxide( SO2) 65.0% min 65.0% min Thiosulphate ( As S2O3) : 0.05 % max 0.05% max Chloride ( As CL-) : 30 ppm max 50ppm max Arsenic ( As ) : 1ppm max 1ppm max Lead ( Pb ) : 1 ppm max 2ppm max Copper (Cu) : 1 ppm max 1ppm max Iron (Fe ) : 5 ppm max 5ppm max Mercury (Hg) : 0.1ppm max 1ppm max Chromium (Cr) : 1 ppm max - Selenium (Se ) : 1 ppm max 5ppm max Zinc (Zn) 1 ppm max 1ppm max Cadmium (Cd ) 1ppm max - Nickel (Ni) 1ppm max - Na2SO3 + Na2SO4 1.5% max - PH value : 4.0-4.8 4.0-4.8 Remark : Conformed with USP standard Application: (1) Food Grade: Bleach agent (e.g. candies, cake, bamboo shoots, etc); Loose agent (e.g. bread, cracker etc); Antiseptic and germicide (e.g. fruit juice, tinned food, brews, the cereals food is defended storage etc); Inhibitor and freshen agent (e.g. day lily, seafood, fruit and vegetable etc). (2) Industry Grade: Mordant of printing and dyeing; Dechlorinate of textile after bleaching; Sulphonated agent and reducer of chemical industry and pharmacy; Bleach of paper pulp, bamboo and timber bleach of Stap; Treatment agent of waste water; Rubber solidifying agent Perfume industry is served as hydro carbon perfume aldehyde The hide profession employ to do to molt dose and pliable dose and wearproof dose; sewage treatment, and so on . (3) Pharmaceutical Grade: In chemical synthesis in the production of acrylic fibre, vitamin K, vitamin A, pharmaceutical intermediates, etc. (4) Photo Grade: The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose. Storage: Store the product in a dry and cool place. The COA, MSDS and relative documents are available. You are welcome anytime to contact us. |
| Company: | China Top Honor Limited [ China ] |
| Contact: | Tony |
| Tel: | 86-13573811720 |
| Fax: | 86-13573811720 |
| Email: | info@chinatopchem.com.cn |
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