POTASSIUM DICHROMATE LR

POTASSIUM DICHROMATE LR
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
P0166005000 LR 99.5% 7778-50-9 K2Cr2O7 294.18 2841.5090
60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

Orange Crystalline

Odour

Odorless

pH value

4.04 (1% aq. solution)

Melting Point/ Freezing point [°C]

398 °C

Partition coefficient Log Pow octanol / water at 20°C

5

Boiling point [°C]

500°C

Density [g/cm3]

2.676

Viscosity at 40°C [mm2/s]

6.5% at 20 °C

Solubility in water [% weight]

6.5% at 20 °C

Specifications

Appearance:

 Orange crystalline powder

Chloride (Cl):

 Max 0.005%

Sulphate (SO4):

 Max 0.01%

Sodium (Na):

 Max 0.2%

Loss on drying (at 105°C) :

 Max 0.5%

Calcium (Ca):

 Max 0.005%

Assay (iodometric):

 Min 99.5%

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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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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