POTASSIUM DICHROMATE
POTASSIUM DICHROMATE Extra Pure
Short Name: POTASSIUM DICHROMATE
Synonym: Potassium bichromate
Basic Details
Article No.
LG3683
Grade
Extra Pure
Purity
99.5%
CAS No.
7778-50-9
HS Code
2841.5090
Shelf Life
60 Months
Packings Avialable
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
Boiling point [°C]
500°C
Density [g/cm3]
2.676
Solubility in water [% weight]
6.5% at 20 °C
Partition coefficient Log Pow octanol /water at 20°C
5
Chemical Specifications
Appearance
Orange crystalline powder
Assay (iodometric)
Min 99.5%
Chloride (Cl)
Max 0.005%
Sulphate (SO4)
Max 0.01%
Calcium (Ca)
Max 0.005%
Sodium (Na)
Max 0.2%
Loss on drying (at 105°C)
Max 0.5%
Safety Information & 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