CRYSTAL VIOLET Solution 0.1% - pure 100 ml WARCHEM

Technical information about chemical reagents:

• Chemical formula: C₂₅H₃₀ClN₃
• CAS number: 548-62-9
• EC number: 208-953-6
• Synonyms: Gentian Violet, Methyl Violet 10B, Basic Violet 3, Hexamethylpararosaniline chloride
• Type: Indicators (Triphenylmethane dye)
• Purity: pure
• Content: 0.1 % (w/v)
• Molar mass: 407.99 g mol⁻¹
• Appearance: purple liquid
• Packaging type: plastic bottle
• Melting point (solid): ≈ 205 °C (decomp.)
• Density (solid): 1.19 g cm⁻³ (20 °C)
• Solubility in water: 4 g L⁻¹ (25 °C)
• Shelf life: ≥ 12 months from delivery

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Examples of professional applications in various industries:

• Microbiology / clinical diagnostics: Primary dye in Gram staining for differentiating gram-positive and gram-negative bacteria.
• Cell biology & drug research: Crystal Violet Assay for quantifying cell count and biofilm mass in cytotoxic and proliferation tests.
• Histology & neuroscience: 0.1% solution as Nissl stain for visualizing neurons in formalin-fixed, paraffin-embedded tissue.
• Analytical chemistry: Acid-base indicator (pK_s ≈ 1.0) and dye for electrophoresis gels and agar plates.
• Environmental & biofilm research: Quantification of bacterial biofilms on surfaces and medical implants.
• Dye & printing industry: Triphenylmethane dye in inks, printing colors, and specialty coatings.

Hazard statements on the product label:

H302: Harmful if swallowed.
H318: Causes serious eye damage.
H351: Suspected of causing cancer.
H410: Very toxic to aquatic life with long-lasting effects.

Safety precautions on the product label:

P202: Do not handle before reading and understanding all safety precautions.
P273: Avoid release to the environment.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P313: If exposed or concerned: Get medical advice/attention.
P501: Dispose of contents/container in accordance with local/regional regulations.

Restrictions: For use by professionals/laboratories only.

Recommended storage conditions:

1. Store tightly closed at 15 – 25 °C.
2. Protect from light, heat sources, and freezing.
3. Keep in original packaging; do not store in metal containers.
4. Keep away from strong oxidizing agents and acids.
5. Handle containers carefully to avoid leakage and contamination.