Gentian Violet USP Methylrosanilinium Chloride BP Ph Eur Grade Manufacturers Exporters |
| Aadhunik Industries is a manufacturing group company. Aadhunik Industries is pioneer manufacturers of Gentian Violet or Methylrosanilinium Chloride, Specialty Chemicals, Pharmaceutical Excipients, Food Fragrance & Flavor chemicals in India. It has toll manufacturers and representatives in UAE, Europe, Canada & USA and agents & customers in all countries like USA, Canada, Europe, UAE, South Africa, Tanzania, Kenya, Egypt, Nigeria, Uganda, Turkey, Mexico, Brazil, Chile, Argentina, Dubai, Netherlands, Italy, Spain, Germany, Portugal, France, Malaysia, Indonesia, Thailand, Korea, Japan, Russia etc. |
| Aadhunik Industries and/or associated units are FDA-GMP certified, Halal and/or Kosher certified, REACH registered, ISO-9001, ISO-22000 HACCP certified. We offer crystals granules in precise micron or mesh size as per buyers needs. We offer very high purity standards as per specifications required. |
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SDS MSDS of Gentian Violet Methylrosanilinium Chloride Manufacturers
Specifications of Gentian Violet USP Show/Hide Details
Gentian Violet USP; Crystal Violet
Gentian Violet
C25H30ClN3 407.98
Methanaminium, N-[4-[bis[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-Nmethyl-,chloride.
C. I. Basic violet 3.
[4-[Bis[p-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]dimethylammonium chloride [548-62-9].
Gentian Violet contains not less than 96.0 percent and not more than 100.5 percent of gentian violet (C25H30ClN3), calculated on the anhydrous basis.
Identification:
A: Sprinkle about 1 mg on 1 mL of sulfuric acid: it dissolves in the acid with an orange or brown red color. When this solution is diluted cautiously with water, the color changes to brown, then to green, and finally to blue.
B: Dissolve about 20 mg in 10 mL of water, and add 5 drops of hydrochloric acid. To 5 mL of this solution add tannic acid TS drop wise: a deep blue precipitate is formed.
C: To the remainder of the solution prepared for Identification test B add about 500 mg of zinc dust, and warm the mixture: rapid de-colorization occurs. Place a drop of the decolorized solution adjacent to a drop of 6 N ammonium hydroxide on a filter paper: a blue color is produced at the zone of contact.
Water: not more than 7.5%.
Residue on ignition: not more than 1.5%.
Alcohol-insoluble substances: Boil 1.0 g, accurately weighed, with 50 mL of alcohol under a reflux condenser for 15 minutes, filter through a tarred filtering crucible, wash the residue on the filter with hot alcohol until the last washing is not colored violet, and dry the crucible at 105 for 1 hour: not more than 1.0% of insoluble residue remains.
Arsenic: The limit is 0.001%.
Lead:The limit is 0.003%.
Zinc:
Zinc standard stock solution: Transfer about 1 g of zinc, accurately weighed, to a 1000-mL volumetric flask, add 50 mL of nitric acid, and mix to dissolve. Dilute with water to volume, and mix.
Standard preparation: Dilute the Zinc standard stock solution with water to obtain a Standard preparation containing 0.50 Ag of zinc per mL.
Test preparation: Weigh accurately 0.50 g of Gentian Violet in a suitable tarred crucible. Place in a low-temperature plasma ashing apparatus, and ash until a constant weight is attained. Pipette 10 mL of 6 N nitric acid into the crucible, and heat to dissolve the ash. Transfer the solution to a 500-mL volumetric flask, dilute with water to volume, and mix. Prepare a reagent blank.
Procedure: Concomitantly determine the absorbance of the Standard preparation, the Test preparation, and the reagent blank at the zinc emission line at 213.9 nm, with a suitable atomic absorption spectrophotometer (see Spectrophotometry and Light-Scattering 851 ) equipped with a zinc lamp and an air–acetylene flame, using water as the blank. The absorbance of the Test preparation, corrected for that of the reagent blank, is not greater than the absorbance of the Standard preparation, similarly corrected (0.05%).
Specifications of Methylrosanilinium Chloride BP Ph Eur Show/Hide Details
Methylrosanilinium Chloride BP Ph Eur Grade:
C25H30ClN3 --- 408.0 --- 548-62-9
Action and use: Antiseptic dye (gentian violet).
DEFINITION
N-[4-[Bis[4-(dimethylamino)phenyl]methylene]cyclohexa-2,5-dienylidene]-N-methylmethanaminium chloride (hexamethyl-p-rosanilinium chloride). It contains not more than 10 per cent of pentamethyl-p-rosanilinium chloride and is also known as crystal violet and gentian violet.
Content: 95.0 per cent to 103.0 per cent (anhydrous substance).
CHARACTERS
Appearance: Dark green, shiny powder, hygroscopic.
Solubility: Sparingly soluble in water, freely soluble in ethanol (96 per cent) and in methylene chloride.
IDENTIFICATION
First identification: A.
Second identification: B, C
A. Infrared absorption spectrophotometry.
B. Thin-layer chromatography.
C. Dissolve 50& mg in wate and dilute to 5 mL with the same solvent; add 3 mL of dilute sulfuric acid, 1 g of zinc powder and heat gently. The mixture decolourises. Filter. To 3 mL of the filtrate add 0.5 mL of silver nitrate solution. A white turbidity is produced which slowly forms a dark, coagulating precipitate.
TESTS
N,N-Dimethylaniline: Maximum 100 ppm.
Pentamethyl-p-rosanilinium: To pass the test by Liquid chromatography.
Related substances:
Limits:
- impurity A: maximum 1.0 per cent.
- any other impurity: for each impurity, maximum 0.1 per cent;
- sum of impurities other than A: maximum 1.0 per cent;
Substances insoluble in ethanol (90 per cent V/V): Maximum 0.5 per cent.
Water: Maximum 10.0 per cent, determined on 0.100 g.
Sulfated ash: Maximum 1.5 per cent, determined on 1.0 g.
CAS Number 548-62-9, Gentian Violet Methylrosanilinium Chloride manufacturers suppliers exporters at:
manufacturer supplier exporter
Aadhunik Industries
Ankleshwar Gujarat & Mumbai, India
TEL: (OFFICE) 91-22-23774610, 23723564.
e-mail: info@aadhunikindustries.com
Copyright and Usual Disclaimer is Applicable. 6-12-2022
Acetic Acid Glacial ------- Ammonium Bicarbonate ------- Aluminum Chloride ------- Aluminium Potassium Sulphate ------- Ammonium Carbonate ------- Ammonium Carbamate ------- Ammonium Chloride ------- Ammonium Persulfate------- Barium Chloride ------- Benzyl Alcohol ------- Benzoic Acid ------- Boric Acid ------- Borax ------- Calcium Chloride ------- Calcium Oxide ------- Calcium Hydroxide ------- Calcium Lactobionate ------- Calcium D Saccharate ------- Calcium Sulfate ------- Carbamide Peroxide ------- Chromic Chloride -------Copper Cupric Chloride ------- Copper Sulphate ------- Precipitated Coated & Directly Compressible Calcium Carbonate ------- Fumaric Acid ------- Ferric Chloride ------- Formaldehyde Solution ------- Lithium Carbonate ------- Magnesium Chloride ------- Magnesium Sulphate ------- Maleic Acid ------- Malic Acid ------- Manganese Chloride ------- Manganese Sulphate ------- Octyl Dodecanol ------- Oleic Acid ------- Phenyl Ethanol ------- Potassium Bromide ------- Potassium Chloride ------- Potassium Hydroxide Pellets ------- Potassium Monopersulfate ------- Potassium Phosphate Monobasic Dibasic Tribasic ------- Propylene Carbonate ------- Selenious Acid ------- Sodium Acetate ------- Sodium Diacetate ------- Sodium Hydroxide Pellets------- Sodium Thiosulfate ------- Sodium Formaldehyde Bisulfite ------- Sodium Perborate ------- Vanadyl Sulfate ------- Zinc Chloride