Sodium Thiosulfate Pentahydrate Solution (0.025N (N/40)/Certified), Fisher Chemical

Catalog No.	Quantity
SS370-1	1 L

Catalog No. SS370-1

Description

Standardized at 25°C against NIST™ potassium dichromate

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Specifications

Chemical Identifiers

• CAS: 10102-17-7 , 7732-18-5
• Molecular Formula: H10Na2O8S2
• Molecular Weight (g/mol): 248.172
• MDL Number: MFCD00003499
• 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+]

• Color: Colorless
• Boiling Point: 100°C
• Melting Point: 0°C
• Concentration: 0.0248 to 0.0252N
• Grade: Certified
• Identification: Pass Test
• Packaging: Poly Bottle
• Traceability to NIST: LOT NUMBER USED POTASSIUM DICHROMATE
• Vapor Pressure: 14mmHg
• Quantity: 1 L
• Physical Form: Liquid
• Chemical Name or Material: Sodium Thiosulfate Pentahydrate Solution, 0.025N (N/40)

Safety and Handling

Hazard Category	Signal Word: CAUTION!
Hazard Statement	CAUTION!
Precautionary Statement	Emergency Overview May cause eye, skin, and respiratory tract irritation . The toxicological properties have not been fully investigated. NFPA Health:1 Flammability:0 Instability:0

SDS