13479
Fluka

Sodium thiosulfate pentahydrate

SKU
13479
puriss., meets analytical specification of USP, 99-101%
General Information:
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  • Honeywell now delivers Fluka™ premium grade inorganic reagents worldwide – with consistency, purity and accuracy assured
Brand
Fluka
CAS Numbers (All) Linear Formula
Na2S2O3 · 5H2O
MDL Number Molar Mass
248.18 g/mol
RTECS Number
231-867-5

Documents

Specifications

PropertyValue
Identitycomplying
Assay99.0-101.0%
Assay(calculatedontheanhydrousbasis)99.0-100.5%
Lossondrying(vacuum,16h)32.0-37.0%
pH(10%,20°C)6.0-9.0
Arsenic(As)Max.0.0003%
Calcium(Ca)Max.0.005%
Iron(Fe)Max.0.001%
Heavymetals(asPb)Max.0.0005%
Chloride(Cl)Max.0.05%
Sulfateandsulfite(asSO4)Max.0.2%
Sulfide(S)complying
Appearanceofthesolutioncomplying
Residualsolventscomplying

Properties

PropertyValue
Autoignition Temperaturenot auto-flammable
Boiling Point/RangeDecomposes on heating.
Colorcolourless
Density1.73 g/cm3 (20 °C)
FlashpointNot applicable
FormCrystalline
GradeReagent Pharmacopeia Salts
Incompatible MaterialsIncompatible with strong acids, oxidizers and nitrates.
Lower Explosion LimitNot applicable
Melting Point/Range48 °C.Decomposition
Partition CoefficientNo data available
Purity Percentage99
Purity Details99-101%
Solubility in Water(0 °C)
Upper Explosion LimitNot applicable
Vapor Density1.73 g/cm3 (20 °C)
Vapor PressureNo data available
ViscosityNot applicable
pH-Value6.0 - 7.5 at100 g/l (25 °C)
Product LinePuriss.
Storage TemperatureRoom Temperature

Safety Information

PropertyValue
Hazard ClassN/A
Package GroupN/A
UN IDN/A
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