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Sodium Thiosulfate Pentahydrate (Crystalline/Certified ACS), Fisher Chemical™ Catalog No.: S445500

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Sodium Thiosulfate Pentahydrate (Crystalline/Certified ACS), Fisher Chemical™

Catalog No. S445500
500 g, Poly Bottle
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Quantity:
500 g
3 kg
10 kg
Packaging:
Poly Bottle
Poly Pail

Catalog No. S445-500

  • $127.65 / Each

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    Reg : $189.80

    The following deviations and disclosures may produce prices below stated discounts but will not trigger price reductions: Price shown reflects a temporary, promotional price reduction. No other purchase or commercial obligation required to receive the reduced price. Price may change at any time. Promotional price valid on web orders only. Your contract pricing may differ. Other exclusions apply.

  • $610.65 / Case of 6 EA

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    The following deviations and disclosures may produce prices below stated discounts but will not trigger price reductions: Price shown reflects a temporary, promotional price reduction. No other purchase or commercial obligation required to receive the reduced price. Price may change at any time. Promotional price valid on web orders only. Your contract pricing may differ. Other exclusions apply.
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Chemical Identifiers

CAS 10102-17-7
Molecular Formula H10Na2O8S2
Molecular Weight (g/mol) 248.172
MDL Number MFCD00149186
InChI Key PODWXQQNRWNDGD-UHFFFAOYSA-L
Synonym sodium thiosulfate pentahydrate, ametox, sodium thiosulfate, pentahydrate, antichlor, tinver, disodium thiosulfate pentahydrate, unii-hx1032v43m, ccris 3952, thiosulfuric acid, disodium salt, pentahydrate, sodium hyposulfite pentahydrateShow MoreShow Less
PubChem CID 61475
ChEBI CHEBI:32150
IUPAC Name disodium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane;pentahydrate
SMILES O.O.O.O.O.[O-]S(=O)(=S)[O-].[Na+].[Na+]

Specifications

Melting Point 48.5°C
Color White
pH 6.0 to 8.4
Physical Form Solid
Quantity 500 g
Assay Percent Range 99.5 to 101.0 %
Formula Weight 248.19
Percent Purity 99.5 to 101.0%
Grade Certified ACS
Identification Pass Test
Packaging Poly Bottle
Decomposition Information >45°C
Chemical Name or Material Sodium Thiosulfate Pentahydrate
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Lot Number Certificate Type Date Catalog Number
Lot Number251881 Certificate TypeCertificate of Analysis Date06/14/2025 Catalog Number
Lot Number252302 Certificate TypeCertificate of Analysis Date06/13/2025 Catalog NumberFLS44550,FLS44510,FLS4453,FLS445500
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Safety and Handling

Hazard Statement CAUTION!
Precautionary Statement Emergency Overview
May cause skin, eye, and respiratory tract irritation. Hygroscopic. Use personal protective equipment. Ensure adequate ventilation. Wash off immediately with plenty of water for at least 15 minutes. Get medical attention immediately if symptoms occur. Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Obtain medical attention. Move to fresh air. If breathing is difficult, give oxygen. Get medical attention immediately if symptoms occur. Do not induce vomiting. Do not induce vomiting. Obtain medical attention.

NFPA

Health:1
Flammability:1
Instability:1
SDS
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