焦亚硫酸钠
Sodium Metabisulfite
CAS No.: 7681-57-4
Formula: Na2s2o5
EINECS: 231-673-0
HS：28321000
Transport Package：25kg, 500kg, 1000kg
Specification：97%
Product Description:
Sodium metabisulfite appears as a white crystalline or powder solid with a slight sulfur odor. Toxic by inhalation. Strongly irritates skin and tissue. Noncombustible, but may decompose to emit toxic oxide fumes of sulfur and sodium when heated to high temperature. A corrosive acid when mixed with water. Used as a food preservative and as a laboratory reagent.
Specification:
Test Items | Specification | Test Result |
Purity(As Na2S2O5) ; %≥ | 97% | 97.3 |
Iron(As Fe); % ≤ | 0.003 | 0.002 |
Arseni c; mg/kg ≤ | 5.0 | <5.0 |
Heavy Metal(As Pb); mg/kg ≤ | 1.0 | <1.0 |
Water insoluble matter | 0.05 | 0.02 |
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.
Package: 25kg, 500KG, 1000KG, 1350KG.
Transportation: The product is not dangerous one, which should be protected from damp, rainfall and package damage in transportation.
Storage: At dry warehouse with good ventilation.
