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.
Basic Violet 3, Gentian Violet, Hexamethylpararosaniline chloride, Methyl Violet 10B

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Article No.
03049
Grade
AR
Purity
96%
CAS No.
548-62-9
Molecular Formula
C25H30CIN3
Molecular Weight
407.99
H.S. Code
3204.9000
Shelf Life
60 Months
MSDS
 

 

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

Packings

  • 1PB1200060

    25 g (00025)

  • 1PB1200200

    100 g (00100)

 

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 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 : 28-Feb-2019
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