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Sodium Thiosulfate
Property

Molecular formula: Na2S2O3.5H2O
Property:
Sodium Thiosulfate, the popular name is big soda, Hypo, belongs in transparent single crystal system.it is adourless and salty. Its specific gravity is 1.729. When be heated over 100 oC,it losts the 5 crystal water. It is easily soluble in water and unsoluble in alcohol. It will be decomposed in acid liquid and have strong irreducibleness. It is easily dehydration when dry air over 33oC and deliquescence in moist air.


Specification

Specification:

 

Index

High grade

1st grade

Purity %min.

99

98

Water insoluble %max.

0.01

0.03

Sulphur matter (by S)%max.

0.001

0.003

Fe %max.

0.001

0.003

PH(200g/L solution)

6.5-9.5

6.5-9.5

Direction For Use

use for fixer, exectnoplate, purify water, reducing agent in chemical industry, etc.

Packing

In plastic woven bag with inner lined 50kgs net.
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Humate (Tianjin) International Limited      Add: 11B Dynasty Court,No.22 Liuwei Road, Hedong Dist., Tianjin,P.R.China Zip: 300012
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