A note to our European Union customers
International shipping is currently disabled due to ongoing issues resulting from Brexit
and changes with customs procedures. Please note, once resumed, international shipments will
be subject to VAT and duties and orders can only be placed in acceptance of this.
Northern Ireland
We will only be able to ship to Northern Ireland where a Royal Mail postal option has been chosen.
Other UK orders are unaffected
This message also applies to the below postcode areas.
AB, DD, DG3, DG4, DG6 - DG9, EH, FK, G, HS, IM, IV, KA, KW, KY, ML, PA, PH, PO30 - PO41, TD, TR21 - TR25, ZE
Price: £11.81
Stock Availability:
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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
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 to
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