COA Center




C.I.No.42555 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.
Basic Violet 3, Gentian Violet, Hexamethylpararosaniline chloride, Methyl Violet 10B


25 g (00025)

100 g (00100)

1000 g (01000)

1PB1200060 1PB1200200
Article No. 03050 Grade For Microscopy
Purity 88% dye content CAS No. 548-62-9
Molecular Formula C25H30CIN3 Molecular Weight 407.99
H.S. Code 3204.9000 Shelf Life 60 Months

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


Appearance Dark green powder Absorption maxima 589 - 594 nm
Dye content (on dried basis) Min 88% Specific absorptivity 1%/1cm (@lambda Max) (on dried basis) 2050 - 2450
Loss on drying Max 10% Suitability (for microscopy) Passes test

Safety Information and Hazard Symbols

Corrosion Exclamation Mark Environment Health Hazard
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
Revision Date: 10-Aug-2022

Download MSDS & COA on your Mobile through LOBACHEMIE APP