Crystal Violet, also known as Gentian Violet is a dark green powder/crystals. It is commonly used as a histological stain in the Gram method for demonstrating bacteria.

Assay (on anhydrous basis): 96.0 % – 100.5%
Assay (as is): > 88%
Description: Dark Green Crystals/Powder
Lambda max.: 589 – 594 nm
Ratio of absorbances: 0.98 – 1.20
Loss on Drying 105 °C/1hr: < 7.5 %
Residue on Ignition: < 1.5%
Visual Transition Interval: From pH 0.0 (yellow) – pH 2.0 (violet)
Lead (Pb): 0.003% maximum
Zinc (Zn): 0.050% maximum
Alcohol-insoluble substances: < 1.0

Hazard Class: 9

Packing Group: 3

Hazard Phrases: Harmful if swallowed. Causes serious eye damage. May cause cancer . Very toxic to aquatic life with long lasting effects.

Prec Phrases: Obtain special instructions before use. Avoid release to the environment. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF exposed or concerned: Get medical advice/attention. Dispose of contents/container.



Cas No: 548-62-9
UN3077