Cas 7681-57-4 Sodium Metabisulfite Food Preservative Sodium Metabisulphite Powder

Place of Origin China
Brand Name JIUCHONG
Certification ISO,SGS
Model Number JIUCHONG - Na2S2O5
Minimum Order Quantity 20 Tons
Price USD 327 - 337 / Ton
Packaging Details 25kg / 1000kg and customized packing bag
Delivery Time 15 work days
Payment Terms L / C, T / T
Supply Ability 2000Tons / Month

Contact me for free samples and coupons.

Whatsapp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

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Product Details
Classification Sulphate CAS No 7681-57-4
MF Na2S2O5 Place Of Origin China
Application Food Additive, Water Treatment EINECS No. 231-673-0
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Cas 7681-57-4 Sodium Metabisulfite Food Preservative

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Cas 7681-57-4 Sodium Metabisulphite Powder

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Product Description

97% Sodium Metabisulfite White Powder Industrial Grade, Food Grade

 

1.Description:

 

Sodium metabisulfite is white or yellow crystalline powder or small crystal, with a strong SO2 odor, soluble in water, the aqueous solution is acidic, when contacted with strong acid, SO2 is released to form corresponding salts, and it is oxidized to Na2S2O6 when placed in the air for a long time. Therefore, the product cannot be stored for a long
time. Above 150 degrees Celsius, SO2 is decomposed.

2.Specifications:
 

TEST ITEMS

 

 

TEST STANDARD

 

 

TEST RESULT

 

Na2S2O5 ≥96.5% 97.42%
FERRON(Fe) ≤0.005% 0.001%
WATER INSOLUBLE ≤0.05% 0.02%
ARSENIC(As) ≤0.0001% <0.0001%
HEAVY METAL(Pb) ≤0.0005% <0.0002%
CLARITY PASS PASS
APPEARANCE

 

WHITE OR LIGHT YELLOW CRYSTAL POWDER

 

PASS

 

3.Applications:

 

Industry Grade
1.Mordant:printing and dyeing industry
2.Bleaching Agent: waste water/textile/paper pulp/bamboo/timber
3.Rubber solidifying agent
4.Hydrocarbon perfume aldehyde: perfume industry


Food Grade
1.Bleaching agent (e.g. candies, cake, bamboo shoots)
2.Loosening agent (e.g. bread, cracker)
3.Antiseptic and germicide (e.g. fruit juice, tinned food brews, the cereals food)
4.Inhibitor and freshen agent (e.g. day lily, seafood, fruitand vegetable)

 

 

 

  
 

 

4.Feature Advantages:

 

   Sodium metabisulfite; Sodium sulfite with a bias; Heavy sulfur oxygen; Sodium metabisulfite; Sodium pyrosulfite molecular formula Na2S2O5

Molecular weight 190.10

   Appearance and properties: colorless prismatic crystals or white powder; Has a sulfur dioxide odor, acidity, and saltiness; Store in a gradually yellow color over time.

Melting point (℃):>300 (decomposition)

   Relative density (water=1): 1.48

   Solubility: Soluble in water, with an acidic aqueous solution (54g/100ml of water at 20 ℃; 81.7g/100ml of water at 100 ℃). Soluble in glycerol, slightly soluble in ethanol. Relative density 1.4. Soluble in water, soluble in glycerol, slightly soluble in ethanol. It decomposes easily when exposed to moisture and oxidizes into sodium sulfate when exposed to air. Contact with strong acids releases sulfur dioxide and generates corresponding salts. Heat to 150 ℃ for decomposition.

   Stability and reactivity

Prohibited substances: strong acids, strong oxidizing agents.

Conditions to avoid contact: humid air.

 
5.Why choose us:

1. We are a real factory with independent foreign trade sales department and customers in more than 30 countries

2. We have 13 years of operating experience in the chemical industry

3. Complete sales, sample testing, and after-sales service.

4. Customized product size and packaging

5.Our independent foreign trade department is employed by many state-owned enterprises as a professional sales agent

6. We have specialized agents in some countries such as Korea and Japan

 

FAQ:

1. Is it possible to customize our own packaging?

Yes, of course. We can also customize shipping mark labels for you.

2. When is the delivery time?

Generally more than 5 tons within 10-15 working days. 7-10 working days also accept 1-5 tons.

3. How to obtain samples?

Free sample for your testing. Please contact the Sales Manager for more information.

4. How do I pay you?

We can receive your payment through t /TLC and other means.

5. How do you inspect the goods?

We have carried out key inspection in the production process, and passed the preliminary examination. Our link goes to the next link.

6.What are your strengths?

A: Honest operation, competitive price and professional export process service.

7. Can you guarantee your products?

A: Yes, we offer a 100% satisfaction guarantee on all our products. If you are not satisfied with our quality or service, please feel free to report back.

8. Where are you? Can I visit?

A: Of course. You are welcome to visit our factory and company at any time.

9. What kind of payment terms do you support?

A:L/C T/T is OK. If you have other payment methods, please contact me.

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