POTASSIUM CHROMATE LR

POTASSIUM CHROMATE LR POTASSIUM CHROMATE LR
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
P0165700500 LR 99% 7789-00-6 K2CrO4 194.19 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 0.005%

Sulphate (SO4):

 Max 0.05%

Sodium (Na):

 Max 0.5%

Loss on drying (at 105°C) :

 Max 0.5%

Calcium (Ca):

 Max 0.05%

pH (5% solution in water):

 8.6 - 9.8

Assay (oxidimetric):

 Min 99%

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

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