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China Sulphate Sodium metabisulfite (Tech Grade) Cas 7681-57-4 factory

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  • Product Details

China Sulphate Sodium metabisulfite (Tech Grade) Cas 7681-57-4 factory

Product Details:

Place of Origin: China
Brand Name: Tianyie
Certification: ISO 9001-2008

Payment & Shipping Terms:

Minimum Order Quantity: 25MTs
Price: Negotiable
Packaging Details: 25kg plastic bags, or as per buyers' requirement
Delivery Time: within 20 days after receipt of your deposit or LC
Payment Terms: L/C,T/T,Paypal
Supply Ability: 2200MTS per month
Detailed Product Description

China Sulphate Sodium metabisulfite (Tech Grade) Cas 7681-57-4 factory
 
 
Quick Details
 
Classification: Sulphate Type: Sodium Metabisulfite CAS No.: 7681-57-4
Other Names: metabisulfite MF: Na2S2O5 EINECS No.: 231-673-0
Place of Origin:  China (Mainland) Grade Standard: Food Grade, Industrial Grade Purity: 96%,97%
Appearance: White Free white crystalline powder Application: printing & dyeing; as dechlorinati...

 

Specifications

Sodium Metabisulphite(Tech Grade)
Na2S2O5: 96% min
SO2: 65% min
Packing:in 25/50/1000kg PP/PE bags

 Sodium metabisulfite Industry grade

 

Property: white or light yellow crystal powder, a strong smell of sulfur dioxide,relative density is 1.4, 

easy to dissolve in water and glycerin, water solution. It has acidity,and its solubility will become large while 

raising the temperature and is less to dissolve in ethanol.


Molecular Formula :Na2S2O5

Molecule Weight :190.12

CAS NO .:7681-57-4

Appearance :White Free white crystalline powder

Packing:Packed in 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag,

 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.

 

Specification  :

 

Quality standard:

National standard


 

Molecular formula:

Na2S2O5

Relative molecular weight:

190.10

Property:

 It is white or yellowish crystalline powder with strong SO2 odor; specific wt.: 1.4. soluble in water, its aqueous solution is acidic.

Use:

Mainly used in  printing & dyeing; as dechlorinating agent for textile bleaching; as reducing agent and sulfonating agent for chemical and medical industries, food activities etc.

 

Item

Specification

Test result

Remarkes

Sodium metabisulfite

97min.

97.83%

 

Sulfur Dioxide(SO2)

65%max.

65.78%

 

Arsenic(As)

0.0002%max

0.00011%

 

Selenium(Se)

0.0005%max

0.00009%

 

Heavy Metals(As Pb)

0.0005%max

0.0003%

 

water Insoluble

0.02%max

 0.016%

 

Iron(Fe)

0.002%max

 0.001%

 

 PH Value

4.0-4.8 

 4.4

 

 

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