Supply Industrial Grade Food Grade Sodium Metabisulfite CAS No. 7681-57-4 with Best Price

• CAS No.: 7681-57-4
• Formula: 2na.O5s2
• EINECS: 231-673-0
• Appearance: Powder
• Quality: Industrial
• Colour: White
• Model NO.: Sinobio Sodium Metabisulfite
• CAS: 7681-57-4
• MW: 190.11
• Density: 1.48
• Melting Point: >300 °c (Lit.)
• Solubility: 540 G/L (20°c)
• Storage Temp.: Store at +5°c to +30°c
• Transport Package: Bag
• Specification: 25kg/bag
• Trademark: SINOBIO
• Origin: China
• HS Code: 2832100000
• Production Capacity: 20000tons/Year

Product Description

 

Product Description

Supply Industrial Grade Food Grade Sodium Metabisulfite CAS No. 7681-57-4 with Best Price

Product Name:  Sodium Metabisulfite 
CAS No.: 7681-57-4
Molecular Formula: 2Na.O5S2
Molecular weight: 190.11
Appearance: White Powder

Application: 

Sodium metabisulfite (SMBS, Sodium disulfite) is a white, granular solid sodium salt. an inorganic compound made up of sodium, sulfur, and oxygen, and used in many industries:

1. In the pulp and paper industry, in the photographic industry and in the various other industries as a bleach or dechlorinator.
2. Food Grade sodium metabisulfite may be used as a food preservative. It is also commonly added to various food products and wines as a preservative.
3. Sodium metabisulfite can also be used in the manufacture of other chemicals, Used in production of cleaning agents, detergents, and soaps.
4. It also acts as a corrosion inhibitor in oil and gas industry, as a bleaching agent in the production of coconut cream
5. Gold mining industry: It is utilized in the precipitation of gold from auric acid as well as in the waste water treatment to remove hexavaent chromium as trivalent chromium by precipitation after reduction.
6. Preservative in photo developer solutions, it is used in photography.
7. Oxygen scavenge:it plays as an oxygen scavenger to eliminate the dissolved oxygen in wastewater and in pipes.
8. Sodium metabisulfite may be used as an initiator during the cross-linking polymerization of polybutadiene in the cores of the vesicle membranes.
9. It may be added as an antioxidant during the preparation of stock solutions of 6-hydroxydopamine in various studies.
10. Dechlorination in municipal wastewater, pulp & paper, power, and textile water treatment plants.

Specification:

Food Grade

Items		Specifications	Typical Analysis
Colour	/	White or yellowish	White
State	/	Crystalline powder	Crystalline powder
Na2S2O5	(%)	96.5 Min.	97.1
Fe	(%)	0.003 Max	0.0021
Clarity	/	Passed	Passed
As	(ppm)	1.0 Max	0.85
Heavy Metal(as Pb)	(ppm)	5.0 Max	0.04

Industrail Grade

Items		Specifications	Typical Analysis
Na2S2O5	(%)	96.5 Min.	96.83
Fe	(%)	0.003 Max	0.0006
As	(ppm)	1.0 Max	0.8
Heavy Metal(as Pb)	(ppm)	5.0 Max	2.0

Packaging & Shipping

Standard package:

25kg/bag. We provide customized package for different quantity. 
 

Shipping: By sea or By air or Express
SINOBIO cooperate with different shipping company to help customer arrange the shipping for different quantity.


Payment: T/T, western union , moneygram or as your requirement
 

 

Customer Review

 

Company Profile

Dalian Sinobio Chemistry Co.,Ltd_was established in 2011 and located in beautiful costal city Dailan Liaoning Province. we can enjoy convenient transportation by all logistic ways. Sinobio cooperated with Dalian university of technology, who has 2 production sites: one located in Lanzhou city , Gan Su province who mainly produce biocides and pharmaceutical related. Another located in Fuzhou city,Jiangxi province .It was founded in 2013 with abundant financial resources.

As a professional agrochemical and it's intermediates products' supplier, they have excellent teams who focus on product development & design, quality control & inspection and company running. In order to supply the qualified products and services, we have built a modern quality management system which is in strict accordance with international standards. Our factory has got ISO9001&ISO14001 certificates. 

Adhering to the business principle of mutual benefits, we have had a good reputation among our customers because of our perfect services, quality products and competitive prices. We warmly welcome customers from at home and abroad to cooperate with us for common success.

 

 

Certifications

FAQ

 

Q1: Can I get samples?

 A:   Yes, we can supply free sample, you pay for the freight charge only.
 

Q2: How to pay?

A: PI will be sent firstly after our aligned products specification. Payment by Paypal , T/T, Western Union,LC, Alipay are ok
 

Q3: How is your MOQ?

A: Normally speaking, our MOQ is 1kg. But we can also accept less quantity such as 100g on the condition that sample charge is 100% paid.
 

Q4: How can you guarantee the quality of your products?

1. Our staff are all experienced in chemical products or related major background, they are well trained before quotation.

2. Free sample or pre- shipment sample are available for our new cooperation before you place commercial order. We are sure the same specification commercial products as sample to customers

3. Third Party Inspection like SGS can be arranged according to your requirement before shipping.

4. On-Spot QC in our APPROVED associated production bases with necessary certification like GMP, ISO etc.