Sodium Thiosulfate

Alternate Text

Molecular formula: Na2S2O3·5H2O

Molecular weight: 248

CAS No.: 10102-17-7

Property:Colorless, transparent single oblique crystals, specific gravity 1.729. It's soluble in water easily, with strong reducing property.

Usage:

Used in photographic, electroplate, purifying soft water and tanning processing hides, it also can be used as reducing agent, deoxidizer, sulfur dyeing agent, anti-white agent, detergent, disinfectant and color coat agent, etc.

Packing:Net in 25KG plastic woven bags.

Specification:

Grade

Photo

Tech

Na2S2O3·5H2O

99.0% Min

99% Min

Insoluble matter in water

0.01% Max

0.03% Max

Na2S

0.001% Max

0.003% Max

Fe

0.002% Max

0.003% Max

PH value (200g/L solution)

6.5-9.5

6.5-9.5

      

SHANGHAI VERDI CHEMICAL CO

Is a specialized manufacturing and operating chemical enterprise Our company own variety of export products which are widely used in chemical, pharmaceuticals, textile printing & dyeing, leather processing, fertilizer, water treatment, construction industry, food &feed additives and other areas. Oxalic acid, formic acid, sodium formate, calcium formate, sodium sulphide, series of humic acid, sodium hydrosulphide, ammonium chloride, sodium thiosulfate, and calcium nitrite are partial strong products. Among them, STPP occupy largest export volume and export to more than 20 countries and regions in America , Asia, Africa and other continents, winning customers praise with its superior quality , favorable price and excellent service. For over 10 years, stick to business philosophy of" you should give your customer what they really need not what you think they need ", Verdi has built long term & stable trade relationship with more than 45 countries and regions in the world. sincerely hope to cooperate with more clients in the world and seek common developments.