High Purity 96% White Powder Food Grade CAS 7757-83-7 Na2so3 Anhydrous Sodium Sulfite

• CAS No.: 7757-83-7
• Formula: Na2so3
• EINECS: 231-821-4
• Certification: ISO
• Purity: 97%,96%,93%Min
• Type: Sodium Sulfate
• Model NO.: FJL-NA2SO3-1
• Appearance: White Crystalline Powder or Lump
• Grade Standard: Industrial Grade
• Product Name: Industial Sodium Sulfite Anhydrous
• Density: 2.63
• Molecular Weight: 126.04
• Melting Point: 500 °c
• Samples: Avaliable
• Transport Package: Woven Bag
• Specification: 25kg/bag, 50kg/bag, 1000kg/bag
• Trademark: FJL
• Origin: China
• Production Capacity: 50000mt/Year

Product Description

Product Description

    

                                                                                   
      High Purity  96% white powder Food Grade CAS 7757-83-7 Na2so3 Anhydrous Sodium Sulfite                                                                                                                  

Product Description

English name	Sodium sulfite Anhydrous(food grade)
CAS NO.	7757-83-7
EINECS NO.	231-821-4
Molecular Formula	Na2SO3
Appearance	White crystalline powder
Melting point	500 °C
Quality Standard	GB 1886.8-2015

 

 

Specifications

Product Analysis

Food Grade  Sodium sulfite Anhydrous(Food grade)

 

Item	Index
Main content(Na2S2O5) W/%≥	96.0
Fe content (mg/kg)≤	0.01
Free base(NaSO3) W/%≤	0.60
Heavy metal(pb) (mg/kg)≤	10.0
As content(mg/kg)≤	2.0
Clarity	through experiments

Application

Preservative, bleaching agent and antioxidant in food industry.
Water treatment as reductant.
Bleaching agent for textile fibers, paper pulps.
Printing and dyeing industry as a dechlorinating agent and cotton scouring agent.
Ore dressing agent in mining industry.
Fixative ingredients in photographic industry.
Production of oral, topical and parenteral pharmaceutical products
Solubilizing and acidifying agent for leather industry.
Rubber industry as coagulator.
Anticorrosion and bleaching treatment in wooden products.
Producing concrete water reducing agents in construction industry.

Packaging & Shipping

 Packaging :

25, 50, 1000 kg/bag or customized according to customer requirements, external polypropylene woven bag, lined with polyethylene plastic bag, paper-plastic composite bag, kraft paper bag, etc.

                                  

About us

Qingdao Fangjinlong Technology Development Co.,Ltd is located in Qingdao City, Shangdong Province . Established in 2010 and honored every day since.

Fangjilong 's mission is  providing unparalleled quality and service in every aspect of our operations, As a chemical expert and supplier, the company has invested 2 chemical plants and it relies on the research and development of technology of the Environmental Science and Engineering of Ocean university of China .

The main products are including water treatment chemicals ,Mining chemicals,industrial chemicals and some special use chemicals . Fangjinlong undertakes and provides support for market-driven research,strives for commercialization of the technologies to benefit the industry and the society at large, as well as  to promote the economic growth and sustainability of the earth.  begin your partnership with Fangjinlong , please contact us.
 

 
  Attend Shanghai  &Japan 2023 Chemical EXHIBITION

Certifications

 

FAQ

1.What kind of payment term do you support ?
T/T 30% in advance, 70% before delivery,we will take and show you every process details.

2.What's your terms of delivery?
EXW, FOB, CIF etc 

3.How long will your production take ?
Normally 5-7days finish production, then delivery.

4.if u support to sample test?
Sure, we would love to offer you free sample for testing. You only need to pay the shipping fee ok. 

5.How to choose the most suitable products?
Based on your industry, also your requirements, we will recommend ones for you.

Contact us