Sodium sulfite anhydrous 96% purified [7757-83-7]

519.99 999.99 

CAS number: 7757-83-7
Summary formula: Na2SO3
Molar mass: 126.04 g / mol
Synonyms: disodium sulfite
Translation [ENG]: sodium sulfite
Application: Sodium sulfite is used as a food additive (preservative, E221). Also as a bleaching, disinfecting and preservative agent, or as an additive to photographic developers and fixatives, as well as a reducing agent for waste water containing chromic acids. Other uses of sodium sulfite are found in the tanning, textile, paper and wine industries.

Sodium sulfite anhydrous 96% purified [7757-83-7]

Sodium sulfite is used as a food additive (preservative, E221). Also as a bleaching, disinfecting and preservative agent, or as an additive to photographic developers and fixatives, as well as a reducing agent for waste water containing chromic acids. Other uses of sodium sulfite are found in the tanning, textile, paper and wine industries.

Appearance white powder
Content 96.0%
Water insoluble substances max. 0.01%
Chlorides (Cl) max. 0.01%
Thiosulphates (S2O3) max. 0.04%
Carbonates (Na2CO3) max. 0.15%
Arsenic (As) max. 0.00004%
Zinc (Zn) max. 0.0005%
Copper (Cu) max. 0.0005%
Lead (Pb) max. 0.0005%
Calcium (Ca) max. 0.005%
Iron (Fe) max. 0.001%

 Hazard pictograms

Labels for hazardous chemicals and mixtures that are part of the Globally Harmonized System of Classification and Labeling of Chemicals (GHS). The pictograms recommended by GHS have the shape of a square set on the top. They should contain a black symbol on a white background with a red border.
Priority rules to be observed in connection with the labeling of a substance:
– the skull and crossbones, the exclamation mark pictogram should not be added.
– corrosivity, the pictogram exclamation mark should not be added if it concerns eye or skin irritation.
– health hazard determining respiratory sensitization, the exclamation mark pictogram should not be added if it concerns skin sensitization or irritation to eyes or skin.

Source: GHS pictograms

Wielkość Opak.

500 g, 1 kg, 5 kg, 10 kg, 25kg, 50 kg

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