Sodium thiosulfate pentahydrate, 99+%, extra pure

Catalog No.	Quantity	Packaging
AC123370010	1 kg	Plastic bottle
AC123370025	2.5 kg	Plastic bottle
AC123370250	25 kg	Fibre drum

Catalog No. AC123370010 Supplier Thermo Scientific Chemicals Supplier No. 123370010

Description

CAS: 10102-17-7 | Na₂O₃S₂·₅H₂O | 248.18 g/mol

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Reduction reagent

Specifications

Chemical Identifiers

• CAS: 10102-17-7
• Molecular Formula: Na₂O₃S₂·₅H₂O
• Molecular Weight (g/mol): 248.18
• 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 pentahydrate
• 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+]

• Melting Point: 48.5°C
• Color: Colorless to White
• pH: 6 to 8.4 (10% soln. at 20°C)
• Physical Form: Crystals
• Quantity: 1 kg
• Assay Percent Range: 99.0 to 101% (Iodimetry)
• Linear Formula: Na₂S₂O₃·5H₂O
• Merck Index: 15, 8821
• Solubility Information: Solubility in water: 680g/L (20°C). Other solubilities: practically insoluble in alcohol,soluble in turpentine
• Formula Weight: 248.18
• Percent Purity: ≥99%
• Grade: Extra Pure
• Packaging: Plastic bottle
• Specific Gravity: 1.72
• Density: 1.7200g/mL
• Chemical Name or Material: Sodium thiosulfate pentahydrate

Safety and Handling

SDS

RUO – Research Use Only