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Sodium Metabisulfite

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产品描述

Chemical name: sodium metabisulfite

Molecular formula: Na2S2O5

Properties: 57-7681-4

Customs code: 28321000

Appearance: white or yellowish crystalline powder

White: 85.2

Food grade certification: ISO 22000, Halal, Kosher

 

ITEM

NATIONAL STANDARD

FIRM CONSTANT VALUE

GB1893-2008

Na2S2O5,%

≥96.5

≥97.5

Iron (Fe),%

≤0.003

≤0.0015

Clarity

Pass

Clarity

Heavy Metals as Pb,%

≤0.0005

≤0.0002

Arsenic,%

≤0.0001

≤0.0001

 

USES:

1. The pharmaceutical industry is used for the production of chloroform, phenylpropylsulfone and benzaldehyde.

2, rubber industry as a coagulant.

3, printing and dyeing industry used as dechlorination agent after cotton bleaching, cotton cooking additives.

4, tanning industry for leather processing, can make the leather soft, plump, tough, waterproof, bending resistance, wear resistance and other properties.

5, chemical industry for the production of hydroxyvanillin, hydroxylamine hydrochloride and so on.Photographic industry used as developer, etc.

6, food industry used as bleaching agent, preservative, loosening agent, antioxidant, color protector and preservative.It can be used in candied fruit, biscuit, sugar, caramel, candies, glucose, liquid glucose, bamboo shoots, mushrooms and canned mushrooms. The maximum usage is 0.45g/kg.Candied fruit, bamboo shoots, mushrooms and canned mushrooms, grapes and black currants concentrate residues (in ₂ S0) newsletter.The residual amount of biscuits, sugar, vermicelli and other varieties was less than 0.1g/kg;The residual amount of liquid glucose should not exceed 0.2g/kg.

Packing:

Lined with food grade polythene plastic bags, plastic woven bags for outer packing, net weight of each bag 25kg or 50kg.The packaging is printed with the words "food additive sodium metabisulfite" and "moisture and heat protection".

Storage and protection:

Should be stored in a cool, dry warehouse.The package should be sealed to prevent air oxidation.Take care against moisture.The transportation should be protected from rain and sunlight.It is strictly prohibited to store and transport with acids, oxidants and harmful and poisonous substances.The storage period should be six months from the date of production.Handle with care during loading and unloading to prevent packing from breaking.In case of fire, use water and various fire extinguishers to put out the fire.

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