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13481

Honeywell

Sodium thiosulfate

SKU

13481

Anhydrous

Synonym(s)

Sodium Thiosulfate Solution

Overview
Documents
Specifications
Properties
Safety Information

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Brand Honeywell	CAS Numbers (All) 7772-98-7	EC Number 231-867-5	Linear Formula Na₂S₂O₃	MDL Number MFCD00003499
Molar Mass 158.11 g/mol	Synonyms Sodium Thiosulfate Solution

Documents

Safety Data Sheet (SDS)

Safety Data Sheet (SDS)

Certificate of Analysis (COA)
View Recent COA
Certificate of Origin (COO)
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Specifications

Property	Value
Assay(calculatedtothedriedsubstance)	Min.98%
Lossondrying(105°C,2h)	Max.2%
pH(5%,20°C)	6.0-8.5
Iron(Fe)	Max.0.005%
Heavymetals(asPb)	Max.0.005%
Chloride(Cl)	Max.0.15%
Sulfateandsulfite(asSO₄)	Max.1%

Properties

Property	Value
Boiling Point/Range	Decomposes on heating
Color	Colorless
Density	1.67 g/cm3 (20 °C)
Flashpoint	Not applicable
Form	Solid
Grade	Reagent Grade Salts
Incompatible Materials	Oxidizing agents, Acids
Lower Explosion Limit	Not applicable
Melting Point/Range	No data available
Partition Coefficient	No data available
Solubility in Water	210 g/l (20 °C)
Upper Explosion Limit	Not applicable
Vapor Pressure	Negligible
Viscosity	No data available
pH-Value	6.0-8.5 at 50 g/l (20 °C)
Product Line	Puriss.
Storage Temperature	Ambient

Safety Information

Property	Value
Hazard Class	N/A
Package Group	N/A
UN ID	N/A