Product Description
Crystal Violet (CAS 548-62-9), also known as Gentian Violet or Basic Violet 3, is a synthetic cationic triphenylmethane dye. It has the molecular formula C25H30ClN3 and a molecular weight of 407.99 g/mol. It typically appears as a dark green to dark violet crystalline powder. The compound is soluble in water and alcohol, producing an intense violet-colored solution. It is widely recognized for its staining properties and is commonly used in laboratory analysis, microbiological staining, and textile dye applications.

Crystal Violet Chemical Properties
Melting point | 205 °C (dec.) (lit.) |
Boiling point | 560.86°C (rough estimate) |
density | 1.19 g/cm3 at 20 °C |
vapor pressure | 0Pa at 25℃ |
refractive index | 1.6010 (estimate) |
Fp | 40 °C |
storage temp. | room temp |
solubility | water: soluble50g/L at 27°C |
pka | 9.4(at 25℃) |
Colour Index | 42555 |
form | Solid |
color | S. No.: 785 |
PH | 2.5-3.5 (10g/l, H2O, 20℃) |
PH Range | 0.8(yellow)-2.6(blue/violet) |
Odor | Slight characteristic odor |
Water Solubility | 16 g/L (25 ºC) |
λmax | 590nm |
Merck | 14,4395 |
BRN | 4077708 |
Stability: | Stable. Incompatible with strong oxidizing agents, strong acids. Light-sensitive. Combustible. |
Biological Applications | Detecting microorganisms; treating atopic dermatitis,dermatological diseases,28,skin wounds,lesions,hemorrhoids,1,multiple myeloma,Non-Hodgkin’s lymphoma,breast cancer,neurodegenerative diseases,onychomycosis; wound dressing |
Major Application | Photoresists, lithographic printing plate, printed circuit board, inks, hair dyes, shampoo, drug screening method, bone cement preparation method, microorganisms, hemorrhoids, antifungal, antibacterial, antimalarial agent, dental application |
InChIKey | ZXJXZNDDNMQXFV-UHFFFAOYSA-M |
LogP | 1.172 at 25℃ |
CAS DataBase Reference | 548-62-9(CAS DataBase Reference) |
EPA Substance Registry System | Crystal violet (548-62-9) |
Safety Information
Hazard Codes | Xn,N,T,C |
Risk Statements | 52/53-50/53-45-41-22-40-34-10-36/37/38-23/25-51/53-68 |
Safety Statements | 61-60-53-45-46-36/37/39-26-39-36/37-16-22 |
RIDADR | UN 3077 9/PG 3 |
WGK Germany | 3 |
RTECS | BO9000000 |
TSCA | Yes |
HazardClass | 9 |
PackingGroup | III |
HS Code | 32041300 |
Hazardous Substances Data | 548-62-9(Hazardous Substances Data) |
Toxicity | LD50 orally in mice, rats: 1.2, 1.0 g/kg (Hodge) |
Safety and Storage
Store in a tightly sealed container in a cool, dry, and dark environment. Protect from direct sunlight, moisture, and excessive heat. Avoid inhalation of dust and contact with skin and eyes. Wear appropriate protective gloves, safety goggles, and protective clothing during handling. Crystal Violet may be harmful if swallowed, suspected of causing cancer, and very toxic to aquatic life. Prevent environmental release and follow the supplier's Safety Data Sheet (SDS) for handling and disposal.
