POTASSIUM CHROMATE
POTASSIUM CHROMATE Extra Pure
Short Name: POTASSIUM CHROMATE
Synonym: Chromic acid dipotassium salt
Basic Details
Article No.
LG3677
Grade
Extra Pure
Purity
99%
CAS No.
7789-00-6
HS Code
2841.5090
Shelf Life
60 Months
Packings Avialable
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
Boiling point [°C]
1000°C
Vapour density
6.7
Density [g/cm3]
2.73
Solubility in water [% weight]
69.9g/100 g water @ 200C
Chemical Specifications
Appearance
Lemon yellow crystalline powder
Assay (oxidimetric)
Min 99%
Chloride (Cl)
Max 0.005%
Sulphate (SO4)
Max 0.05%
Sodium (Na)
Max 0.5%
Calcium (Ca)
Max 0.05%
Loss on drying (at 105°C)
Max 0.5%
pH (5% solution in water)
8.6 - 9.8
Safety Information & 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