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Sodium Pyrosulfite Anhydrous 7681-57-4

Sodium Pyrosulfite Anhydrous 7681-57-4 photo-1
Sodium Pyrosulfite Anhydrous 7681-57-4 photo-2
US$ 250 - 300 MOQ: 20 Tons
Key Specifications
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Type:
Sodium Metabisulfite
CAS No.:
7681-57-4
Other Names:
Sodium Pyrosulfite
Payment & Shipping
Payment Methods:
Port of Shipment:
Qingdao
Delivery Detail:
Delivery time depends on order quantity.
Type Sodium Metabisulfite
CAS No. 7681-57-4
Other Names Sodium Pyrosulfite
MF Na2S2O5
EINECS No. 231-673-0
Place of Origin Shandong, China
Grade Standard Industrial Grade
Purity 98.5%
Appearance White Powder
Application Food Additive
Brand Name dinghao
Model Number SGDH03.11
Product Overviews

  sodium pyrosulfite anhydrous 7681-57-4

 

sodium pyrosulfite anhydrous 7681-57-4sodium pyrosulfite anhydrous 7681-57-4

 

Item

Quality Index

Food Grade

Industry Grade

Purity ( As Na2S2O5)

98.0% min

96.0% min

Sulfur Dioxide( SO2)

65.0% min

65.0% min

Arsenic ( As )

0.0002% max

-

Heavy metals ( As Pb )

0.0005% max

-

Selenium (Se )

0.0005% max

-

Iron (Fe)

0.001% max

0.002% max

Water insoluble

0.02% max

0.05% max

PH value :

4.0-4.8

4.0-4.8

Remark :

Conformed with FCC V and E 223 Standard

 

 Application:

(1) Food Grade: Bleach agent (e.g. candies, cake, bamboo shoots, etc); Loose agent (e.g. bread, cracker etc); Antiseptic and germicide (e.g. fruit juice, tinned food, brews, the cereals food is defended storage etc); Inhibitor and freshen agent (e.g. day lily, seafood, fruit and vegetable etc).

(2) Industry Grade: Mordant of printing and dyeing; Dechlorinate of textile after bleaching; Sulphonated agent and reducer of chemical industry and pharmacy; Bleach of paper pulp, bamboo and timber bleach of Stap; Treatment agent of waste water; Rubber solidifying agent Perfume industry is served as hydro carbon perfume aldehyde The hide profession employ to do to molt dose and pliable dose and wearproof dose; sewage treatment, and so on .

(3) Pharmaceutical Grade: In chemical synthesis in the production of acrylic fibre, vitamin K, vitamin A, pharmaceutical intermediates, etc.

(4) Photo Grade: The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose.

Our Services

1.Reply within 24 hours.

2.Complete after-sales service.

3.Good quality based on reasonable price.

4.Timely delivery and efficient logistic. 

5.Large annual capacity.  

6.Honest business.

 

contact

sodium pyrosulfite anhydrous 7681-57-4 

Company Information

  sodium pyrosulfite anhydrous 7681-57-4sodium pyrosulfite anhydrous 7681-57-4

sodium pyrosulfite anhydrous 7681-57-4 Packaging & Shipping

sodium pyrosulfite anhydrous 7681-57-4

 Packaging form :25 kg / 50kg / 1000kg ton bags.

double package (small bag inside and ton bags outside) in a 20 feet container can load 25 tons without pallets   20 tons -22 tons in ton bags with pallets sodium pyrosulfite anhydrous 7681-57-4

 

sodium pyrosulfite anhydrous 7681-57-4 

FAQ

Q 1:What's your main product? 

A1: Our company specializes in exporting calcium chloride, sodium chloride, magnesium chloride, soda ash ,sodium bicarbonate ,sodium sulfate and so on. 

Q2:How do you control the quality?


A2: We do quality control by the factory testing department.We also can do the Third-party testing.


Q3:How long time you can make the shippinng?

A3:  We can make the shipping within15 days after receiving the deposit. 

 

Q4: Do you offer free sample?

 

A4: Of course,  but freight is yours.

Q5:Why would you like to establish business relations with  me?

A5: Our company offer high quality products and reasonable price to customers. All products before 

leaving factory passed strict  inspection .

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Business Type
Trading Company
Year Established
2009
Factory Size
Below 1,000 square meters
Total Employees
11 - 50 People

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