CAS 7757-83-7 Na2so3 97% Purity Sodium Sulfite Anhydrous

• CAS No.: 7757-83-7
• Formula: Na2o3s
• EINECS: Na2o3s
• Certification: CCIC, CIQ, RoHS, ISO
• Purity: ≥99%
• Type: Sodium Sulfate
• Model NO.: sodium sulfite anhydrous
• Appearance: Crystal
• Grade Standard: Food Grade
• Sodium Sulphate: 99.13%
• Moisture: 0.02%
• Water Insolubles: 0.001%
• Ca+ & Mg+: 0.001%
• Chloride: 0.33%
• Whiteness: 86.5
• Test Standard: GB/T6009-2003
• Conclusion: The Product Is Sampled According to GB/T8618-2001
• Transport Package: 1000kg/50kg/25kg Plastic Woven Bag. 27mt/20FCL.
• Specification: Anhydrous
• Trademark: FJL
• Origin: China
• HS Code: 2832100000
• Production Capacity: 50000 Ton / Month

Product Description

As a soluble sodium salt of sulfurous acid, Sodium sulfite (Na2SO3) shows blenching, de-sulfurizing and dechlorinating properties which is widely applied in various fields. It is primarily used in the pulp and papermaking industry due to its blenching activity. It can serve as a good additive to help preserve the fresh appearance of good products. Besides, sodium sulfite is a component in many pharmaceuticals, which is effective to maintain the potency and stability of drugs. It can also be applied for water treatment as an oxygen scavenger agent and applied in flue gas desulfurization and preservation of photo developer solutions, etc.

Our Advantages

(1) Quickly and timely response;
(2) Quick and professional Delivery of chemicals;
(3) Professional technical support and after-sales service;
(4) Full set of Hazard Chemical Exporting Licenses;
(5) Continuous and stable supply chemicals with professionally deal Bulk Vessel,IBC Tank and containers transportation;
(6) High quality chemicals with best competitive price;

Production Usage

widely used in bleaching, glass, paper making, tanning, metal smelting, surface treatment and filler industries.

It is aslo Used in chemical industry as material of manufaturing sodium sulphide,sodium silicate and other 

chemical products. 
 

Specifications

PRODUCT NAME: Na2SO4 SODIUM SULFATE PH: 6-8
TEST ITEMS	STANDARD VALUE	TEST VALUE	JUDGMENT
Appearance	White crystal	White crystal	Eligible
Sodium sulphate	99%MIN.	99.13%	Eligible
Moisture	0.20%MAX.	0.02%	Eligible
Water insolubles	0.05%MAX.	0.001%	Eligible
Ca+ & Mg+	0.15%MAX.	0.001%	Eligible
Chloride	0.35%MAX.	0.33%	Eligible
Whiteness	80MIN. degree	86.5	Eligible
Test standard	GB/T6009-2003
Conclusion	The product is sampled according to GB/T8618-2001 and tested as per GB/T6009-2003, and the test result is eligible.

 

Packaging & Shipping

Packaging: 1000kg/50kg/25kg plastic woven bag.27MT/20FCL.

Storage: Stored in a cool, ventilated warehouse. Away from fire and heat. Acids, etc. should be kept separately, avoid mixed reserve.
 

FAQ

Q1. How about your company?
A: Established in 2010 and honored every day since. Qingdao Fangjinlong'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 .  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.

Q2. How can we guarantee quality?
A: Always a pre-production sample before mass production;
Always final Inspection before shipment;

Q3:Can you give me a discount price?
A: Surely,It depend on your quantity.

Q4:How can i get a sample?
A: 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.

Q5: 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.

Q6: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.