POTASSIUM CHROMATE AR

Article No.	Grade	Purity	Cas no.	Molecular Formula	Molecular Weight	H.S. Code	Shelf Life
P0166300500	AR	99.5%	7789-00-6	K₂CrO₄	194.20	2841.5090	60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

Yellow

Odour

Odorless

pH value

8.5 - 10 at 50 g/l at 20 °C

Melting Point/ Freezing point [°C]

971 °C

Vapour density

6.7

Boiling point [°C]

1000°C

Density [g/cm3]

2.73

Viscosity at 40°C [mm2/s]

69.9g/100 g water @ 200C

Solubility in water [% weight]

69.9g/100 g water @ 200C

Specifications

Appearance:	Lemon yellow crystalline powder
Chloride (Cl):	Max 0.001%
Sulphate (SO4):	Max 0.01%
Sodium (Na):	Max 0.05%
Lead (Pb):	Max 0.005%
Insoluble matter in water:	Max 0.005%
Calcium (Ca):	Max 0.005%
Assay (iodometric):	Min 99.5%
pH (5% solution in water):	9.0 - 9.8

Safety Information and Hazard Symbols

Symbol: GHS07, GHS08, GHS09
Signal Word: Danger
UN No.: 3288
IMCO Class No.: 6.1
Packing Group: III
Hazardous Statement: H315-H317-H319-H335-H340-H350i-H410
Precaution Statement: P201-P261-P273-P280-P305 + P351 + P338-P308 + P313

POTASSIUM CHROMATE AR

Physical Properties

Specifications

Safety Information and Hazard Symbols

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