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Hunan Chembird Indust Co.,Ltd
[China]

Address:
NO.65, 1st section of furong road, changsha, hunan,china Changsha Hunan 410008 China

Phone:
86-731-4829585

Contact name:
sandyhuang , manager

Hunan Chembird Indust Co.,Ltd

Products

	Sodium Thiosulfate

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Origin

China

Molecular Formula: Na2S2O3?H2O
Molecular Weight: 248.17
CASNO.: 10102-17-7

Properties& Applications:
White monoclinic crystal; It is easily soluble in the water while not in alcohol and has deliquescence in the wet air; Widely used as the photography fixative , dechlorinate of textile after bleaching, and mordant of printing and dyeing, and also for pharmacy, galvanization, tannage, metallurgy, dyestuff, and other sectors.

Packing&Storage:
Packed in 25kg net PP/PE bags or as per customers demands; Stored in dry and cool warehouse with packages sealed and away from rain and wetting.

Quality Standard：HG/T 2328?2 (Industry Grade)
Index Name High Grade First Class
Total (Na2S2O3-5H2O)%≥ 99.0 98.0
Sulfide（as Na2S）%≤ 0.001 0.003
Iron（Fe）%≤ 0.002 0.003
Water insoluble %≤ 0.01 0.03
PH Value（200g/L Solution） 6.5-9.5 6.5-9.5