Promotional price valid on web orders only. Your contract pricing may differ. Interested in signing up for a dedicated account number?
Learn More

Sodium Thiosulfate Anhydrous (Certified), Fisher Chemical™ Edge Available on GSA/VA Contract for Federal Government customers only.
Edge

Click to view available options
Quantity:
500g
3kg
Packaging:
Poly Bottle
7772-98-7
Na2O3S2
158.097
MFCD00003499
AKHNMLFCWUSKQB-UHFFFAOYSA-L
sodium thiosulfate,sodium thiosulphate,disodium thiosulfate,sodium thiosulfate anhydrous,hypo,sodiumthiosulfate,chlorine cure,chlorine control,declor-it,thiosulfuric acid, disodium salt
24477
disodium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane
[O-]S(=O)(=S)[O-].[Na+].[Na+]
7772-98-7
Na2O3S2
158.097
MFCD00003499
AKHNMLFCWUSKQB-UHFFFAOYSA-L
sodium thiosulfate,sodium thiosulphate,disodium thiosulfate,sodium thiosulfate anhydrous,hypo,sodiumthiosulfate,chlorine cure,chlorine control,declor-it,thiosulfuric acid, disodium salt
24477
disodium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane
[O-]S(=O)(=S)[O-].[Na+].[Na+]

This product(s) resides on a Fisher Scientific GSA or VA contract. If you are viewing this page as a nonregistered user, the price(s) displayed is List Price. To view your GSA or VA contract pricing, log in using your account number, or become a registered user by contacting one of our Customer Service teams. You can also view your contract price by searching for this item(s) on GSA Advantage. To place an order, contact Fisher Scientific Customer Service.

Additional Information Vapor Pressure: Negligible
Assay Percent Range ≥98 %
Formula Weight 158.11
Physical Form Solid
Percent Purity ≥98%
Grade Certified
Identification Pass Test
Insoluble Matter 0.01% max.
Packaging Poly Bottle
Sulfide 1ppm max.
Water 1% max.
Color White
Melting Point 48°C
pH 6.0 to 8.5
Quantity 500g
Chemical Name or Material Sodium Thiosulfate Anhydrous
Show More Show Less