POTASSIUM DICHROMATE 99.5% EXTRAPURE

Product CodeB-02094BRANDBio-Chem
GradeEXTRAPURECAS No7778-50-9
Molecular FormulaK2Cr2O7Molecular Weight294.18
H.S.Code2833.29900Shelf Life60 Months
Purity99.5 %

Physical Properties

Physical state at 20 °CSolidColourOrange Crystalline
OdourOdorlessMelting point/ Freezing point [°C]398 °C
Boiling point [°C]500 °CDensity [g/cm3]2.676
pH Value4.04 (1% aq. solution)Solubility in water [% weight]6.5% at 20 °C
Partition coefficient Log Pow octanol / water at 20°C5

Packaging

Specification

Appearance
Orange crystalline powder
Assay (iodometric)
Min 99.5%
Chloride (Cl)
Max 0.005%
Sulphate (SO4)
Max 0.01%
Calcium (Ca)
Max 0.005%
Sodium (Na)
Max 0.2%
Loss on drying (at 105°C)
Max 0.5%

Safety Information and Hazard Symbols

Symbol: GHS03, GHS05, GHS06, GHS08, GHS09
Signal Word: Danger
UN No.: 3087
IMCO Class No.: 5.1, 6.1
Packing Group: II
Hazardous Statement: H317-H330-H314-H410-H334-H340-H350-H312-H372-H360FD-H301-H272-H335
Precaution Statement: P301 + P310-P280-P302 + P350-P305 + P351 + P338-P304 + P341- P221-P273

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