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Sodium Thiosulphate

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Sodium Thiosulphate
TRADE NAME :Sodium Thiosulfate Pentahydrate
OTHER NAME: Sodium Hyposulfide, Hypo, Sodium Subsulfite
CAS NO. : 10102-17-7, 7772-98-7
EINECS.: 231-867-5
MOLECULAR FORMULA: Na2S2O3. 5H2O
MOLECULAR WEIGHT : 248.18
DESCRIPTION :
This product is odorless crystal, deliquescence in moist air. The specific gravity 1.69. rapid temperature rise at 48 . Not soluble in alcohol, soluble in water, water solution near neutral (PH 6.5-8.0). Its anhydrous is powder, soluble in water, almost insoluble in alcohol.
SPECIFICATION
Appearance
Colourless transparent monoclinic crystals
Na2S2O35H2O
99% min
Water insoluble
0.01% max
Sulphides (as S)
0.001% max
Fe
0.001% max
PH
6.5-9.5
APPLICATION
It Used in photographic and electroplate industry
and purifying soft water and tanning hides
It can be reducing agent, deoxidizer, sulfur dyeing agent,
anti-whiting agent, detergent, disinfectant and color faking agent
PACKING:
25kg net plastic woven bag inner PE bag

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