98% Content Industrial Grade Sodium Sulfite Powder For Food Additive

96% 98% Content Industrial Food Grade Na2SO3 White Powder CAS 7757-83-7 for Food Additive

Description:

Molecular formula: Na2SO3

CAS No:7757-83-7

Properties: white powder or hexagonal prismatic crystal.

The density is 2.633g/cm3. Decompose when heated to red heat.

Very stable, not easy to oxidize.

Soluble in water, slightly soluble in alcohol, insoluble in liquid chlorine, ammonia.

Strong reducing agent.

It is easy to oxidize into sodium sulfate under the action of humid air and sunlight.

Applications:

1.Used for microanalytical determination of tellurium and niobium and preparation of developing solution. Also used as reducing agent

2.Used as stabilizer for artificial fiber, bleaching agent for fabric, photo developer, dye-bleaching deoxidizer, reducing agent for spices and dyes, lignin remover for paper making, etc

3.Used as a common analytical reagent and photosensitive resistance material

4.Reduced bleaching agent, has bleaching effect on food and has strong inhibitory effect on oxidase in plant food. According to the regulations of our country, it can be used for preserves, the maximum usage is 2.0g/kg; It can also be used for glucose, liquid glucose, sugar, rock sugar, malt sugar, candy, bamboo shoots, mushrooms and canned mushrooms, grapes, blackcurrant concentrated juice, the maximum usage of 0.60g/kg. Residual amount of bamboo shoots, mushrooms and canned mushrooms, preserves, grapes and blackcurrant concentrated juice (in terms of SO2)≤0.05g/kg; Potato starch residue ≤0.03g/kg; The residual amount of biscuits, sugar, vermicelli and other varieties is less than 0.1g/kg; The residual amount of liquid glucose shall not exceed 0.2g/kg.

5. As A deoxidizer and bleaching agent in THE PRINTING and dyeing industry, it is used in the boiling of various cotton fabrics, which can prevent the local oxidation of cotton fibers and affect the fiber strength, and improve the whiteness of the boiled materials. 

6.Used in the production of cellulose sulfite, sodium thiosulfate, organic chemicals, bleaching fabrics, etc., but also used as reducing agents, preservatives, chlorine agents, etc.

Specifications:

Storage Method:

1. It should be stored in a cool and dry warehouse. The package must be sealed and not in contact with air to prevent moisture deterioration.

2. It is unstable and should be stored in a dry place below 30 ℃.

Packing and Delivery:

Package: 25KG / 1000KG BAG

FAQ:

1.Q: Are you a factory or trading company?

A: We are a company combined inbody with manufacture and trading units .

2.Q: Could you provide sample for test before mass production?

A: Sure,we can send free samples to you,and we also attached the COA,but for the sample shipping fees,our company can’t afford it!

3.Q: How can i get the exact quotation?

A: Kindly tell us the exact product specification,your usage,we will provide the exact quotation for you .

4.Q: Can you provide the COA?

A: Sure,we can provide,but only provide the normal product,if you want to the exact COA,we need to produce the sample .After testing ,provide the exact COA.

5.Q: Can you accept OEM(specical spec,size)?

A: sure ,we can customized according to customer’s different requirement,but not only that ,packing we also can design according your request.

6.Q: If i know the usage,but don't know the exact spec,can you provide the exact quotation?

A: Sure,we will recommend the product accordng your usage,please kindly trust us.

7.Q: Before putting a large order,can i visit your factory?

A: Sure.Welcome at anytime.

Company's advantages:

1.More than 13 years' experience in Industry and Agriculture.

2.Working with shipping company directly,can get lower sea freight.

3.Grasp industry information timely

4.Faster working efficiency, better service,and ensure after-sale service

5.The geographical position is superior,near the mine and the port

6.Superior raw material

7.Quality certificate:ISO, SGS

8.With rich and professional export experience in container and bulk cargo ship

Annual capacity 30,000mts.

9.Provide professional Pre sale consulting,including product, packaging, transportation,certification and testing etc.

10.Test the quality, weight and packaging of the product before shipment

11.Prompt reply within 12 hours

12.Bag customization service