PHOTO/TECH GRADE SODIUM THIOSULPHATE CAS NO.10102-17-7

1.rich export experience over 10 years.

2.has own factory 

3.familar with different country rules

4.free sample can be provied before place

Name：

Sodium Thiosulfate

Chemical formula：

Na2S2O3·5H2O

Physical appearance：

Colorless or slightly yellow transparent monoclinic crystal.

Quality standard：

HG/T 2328-1992

Description：

Application:

1>Used in fixers,plating,leather,reductant,dechlorinating agent；

2>Sulfur dyeing agent；

3>As a blush preventive agent；

4>As a disinfectant and decolor agent

Package:

1>25KG/50KG compound plastic woven bag with inner polythene liner；

2>1000kg Jumbo bags；

3>Any other particular requirements to the package can be discussed.

Shelf Life: One year

Storage & handing :

1>Store the product in a cool and dry place；

2>Prevent from direct sunlight, water and moisture；

3>Avoid contact with strong add oxidants；

4>Do not stores it for long time.

Product Specification:

                                   PHOTO GRADE      TECH GRADE          TECH GRADE

APPEARANCE            COLORLESS TRANSPARENT           WHITE POWDER

Na2S2O3                              >99.0%            >98.5%                           >97%

WATER INSOLUBLE          <0.01%            <0.03%                           <0.03%

SULFIDE                              <0.001%           <0.003%                        <0.001%

IRON                                    <0.001%           <0.003%                        <0.005% 

PH                                          6.5-9.5             6.5-9.5                          6.5-9.5