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Weifang Bochuang Chemical Co., Ltd.

Anhydrous Sodium Sulfite, Sodium Sulfite, Sodium manufacturer / supplier in China, offering Factory Supply High Quality Na2so3 Anhydrous Sodium Sulfite, China Chemical Manufacturer Supply Magnesium Chloride, Manufacturer Supply Feed Grade L-Lysine Hydrochloride and so on.

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Supplier Homepage Product Inorganic salt Factory Supply High Quality Na2so3 Anhydrous Sodium Sulfite

Factory Supply High Quality Na2so3 Anhydrous Sodium Sulfite

FOB Price: US $60-80 / Ton
Min. Order: 10 Tons
Min. Order FOB Price
10 Tons US $60-80/ Ton
Get Latest Price
Port: Qingdao, China
Production Capacity: 1000000tons/Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
Basic Info
  • Model NO.: Anhydrous Sodium Sulfite
  • Certification: ISO
  • Grade Standard: Industrial Grade
  • Other Names: Sodium Sulfite Anhydrous
  • Einecs No.: 231-821-4
  • Transport Package: 25kg/Bag
  • Origin: China
  • Appearance: Powder
  • Purity: ≥99%
  • CAS No.: 7757-83-7
  • Mf: Na2so3
  • Trademark: Bochuang
  • Specification: Solid crystalline powder
Product Description
Factory Supply high Quality Na2SO3 Anhydrous Sodium Sulfite

1.Product Description:
1).CAS no.:7757-83-7

2). EINECS no: 231-821-4

3).MF: Na2SO3

4). Appearance: White crytal powder
Factory Supply High Quality Na2so3 Anhydrous Sodium Sulfite

Specification for Industry Grade and Food Grade 


Quality Index

Industry Grade

Food Grade

Purity ( As Na2SO3)

96.0% min

98.0% min

Sodium sulphate ( SO4)

2.0% max

1.0% max

Chlorides ( As NaCL)

0.5% max

0.1% max

Arsenic ( As )


0.0002% max

Heavy metals ( As Pb )


0.0005% max

Iron (Fe)

0.005% max

0.002% max

Water insolubles

0.05% max

0.02% max



(1) Industry Grade : Used in Dyeing and printing Industry ,as dechlorinating agent and bleaching agent, in leather and tanning industry as bleaching agent , developer agent , reductant agent , stabilizer agent , or used in papermaking, electronic and water treatment industry.

(2) Food Grade: In food industry as additive (E223) preservative, antioxidant and antimicrobic for fruits (dried, glazed and candled), vegetables (onions, potatoes, etc.), juices (citrus and grapes) and fish (shrimps and prawns). In silage treatment as antifermentative. In starch and sweeteners production as bacteriostatic.

(3) Photo Grade: In the photographic industry as component of developer bath.

(4) Pharmaceutical Grade : pharmaceutical industry for the production of chloroform, benzene and formaldehyde phenylpropanoid Sulfone.

4.Packaging & Delivery

Factory Supply High Quality Na2so3 Anhydrous Sodium Sulfite
Packaging Details:25kg in white plastic bag with a weaving bag outside, or according to customer's requirement.
Delivery Detail:15days

5.Our factory
Factory Supply High Quality Na2so3 Anhydrous Sodium SulfiteFactory Supply High Quality Na2so3 Anhydrous Sodium Sulfite

Shandong weifang bochuang chemical co., LTD. Was established in June 2000, its manufacturing base is located in the state-level development zones - shandong weifang binhai economic and technological development zone. Strategic management and operational headquarters in Qingdao,import and export trade in weifang. The company has the self-management import and export rights, geared to the needs of customers worldwide provide chemical products and related services, it is a national fixed-point of sodium sulphate and other chemical production enterprises, high-tech enterprises in shandong province. The products are exported to southeast Asia, the European Union, the Middle East, Japan, South Korea and other overseas markets. By the end of 2013, the annual sales more than 300 million yuan.
6.Our main market
Factory Supply High Quality Na2so3 Anhydrous Sodium Sulfite

Q1: Are you a manufacturer?
Answer: Yes, we are factory founded on 2006.

 Q2: How to contact with us?
Click the Made in China "Contact Supplier" And then send us message the product you interest in, you will get reply within 24 hours.

 Q3:Which kind of payment terms do you accept?
For small order,you can pay by T/T,Western Union or Paypal,nomal order by T/T to our company account

 Q4:Can you give me a discount price?
Surely,It depend on your qty

 Q5:How can i get a sample?
free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.

 Q6: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

 Q7:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.

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