CRYSTAL VIOLET
CRYSTAL VIOLET AR
C.I.No.42555 (Confirms USP Specification)Crystal Violet is a component of Gram staining that allows one to recognize the difference between gram-positive and gram-negative bacteria with differential staining.
Short Name: CRYSTAL VIOLET
Synonym: Basic Violet 3, Gentian Violet, Hexamethylpararosaniline chloride, Methyl Violet 10B
Basic Details
Article No.
LG1567
Grade
AR
Purity
96%
CAS No.
548-62-9
HS Code
3204.9000
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
Dark green powder
Odour
Slight characteristic odor
Melting point/ Freezing point [°C]
173 °C
Solubility in water [% weight]
Soluble in water
Chemical Specifications
Appearance
Dark green powder
Assay
96 – 100.5%
Identification
To pass A, B & C tests
Water (H2O)
Max 7.5%
Residue on ignition
Max 1.5%
Alcohol insoluble matter
Max 1%
Arsenic (As)
Max 0.001%
Lead (Pb)
Max 0.003%
Zinc (Zn)
Passes test
Chromatographic purity (by HPLC)
Passes test
Sensitivity as an indicator
Passes test
UV absorbance Ratio
0.98 - 1.90
Safety Information & Hazard Symbols
Symbol
GHS05, GHS07, GHS08, GHS09
Signal Word
Danger
UN No.
3077
IMCO Class No.
9
Packing Group
III
Hazardous Statement
H302-H318-H351-H410
Precaution Statement
P273-P280-P305 + P351 + P338-P501