High quality Tech Grade/Photo Grade 99%min Pentahydrate/ Anhydrous HYPO/Sodium Hyposulfite Sodium Thiosulfate CAS NO.10102-17-7

Name：

Sodium Thiosulfate

Chemical formula：

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