POTASSIUM SULPHATE 98.5% EXTRAPURE

Product Code B-02178 BRAND Bio-Chem
Grade EXTRAPURE CAS No 7778-80-5
Molecular Formula K2SO4 Molecular Weight 174.27
H.S.Code 3104.30000 Shelf Life 60 Months
Purity 98.5 %

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
pH Value ~7 Melting point/ Freezing point [°C 1067 °C
Density [g/cm3] 2.662 Solubility in water [% weight] 110 g/l (20°C)
Boiling point [°C] 1689°C Odour Odorless

Packaging

Bio-Fine

Specification

Appearance
White crystalline powder
Assay (acidimetric)
98.5 – 101.0%
pH (5% solution)
5.5 – 8.5
Identity
Passes test
Appearance of solution
Passes test
Acidity or alkalinity
Passes test
Chloride (Cl)
Max 0.004%
Heavy metal (as Pb)
Max 0.002%
Iron (Fe)
Max 0.001%
Magnesium (Mg)
Max 0.002%
Calcium (Ca)
Max 0.02%
Sodium (Na)
Max 0.1%
Loss on drying (at 105°C)
Max 1.0%

Safety Information and Hazard Symbols

1-Amino-2-Naphthol-4-Sulfonic Acid

Symbol: GHS02,GHS07 ,GHS09
Signal Word: Warning

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