POTASSIUM DICHROMATE AR

Article No.	Grade	Purity	Cas no.	Molecular Formula	Molecular Weight	H.S. Code	Shelf Life
P0166105000	AR	99.9%	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

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
Insoluble matter:	Max 0.005%
Chloride (Cl):	Max 0.001%
Sulphate (SO4):	Max 0.005%
Sodium (Na):	Max 0.02%
Loss on drying (at 105°C) :	Max 0.05%
Lead (Pb):	Max 0.005%
Iron (Fe):	Max 0.002%
Copper (Cu):	Max 0.001%
Calcium (Ca):	Max 0.002%
Assay (iodometric):	Min 99.9%

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

POTASSIUM DICHROMATE AR

Physical Properties

Specifications

Safety Information and Hazard Symbols

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