INDIGO-CARMINE - pure 1g WARCHEM

Technical information about chemical reagents:

• Chemical formula: C₁₆H₈N₂Na₂O₈S₂
• CAS number: 860-22-0
• EC number: 212-728-8
• Synonyms: Indigo carmine
• Type: Indicators
• Purity: pure
• Appearance: purple powder
• Molar mass: 466.35 g/mol
• Packaging: plastic container
• Shelf life: at least 24 months from delivery
• Solubility: soluble in water (with blue color)
• pH transition range: approximately pH 11.4–13.0 (from blue to yellow)

Examples of professional applications in various industries:

• Analytical chemistry: Used as a redox indicator in titrations, e.g., in determinations with strong oxidizing effect.
• Teaching and training laboratories: Demonstrations of chemical reactions and pH-dependent color changes.
• Food and environmental analysis: Dye for detection purposes in specific test procedures.
• Research and development: Indicator function in syntheses or analyses with defined redox potential.

Hazard warnings on the product label:

No hazardous substance within the meaning of the CLP regulation when used as intended.

Safety instructions on the product label:

P280: Wear protective gloves/eye protection.
P273: Avoid release to the environment.
P501: Dispose of contents/container in accordance with local regulations.

Restrictions: For professional users only. Not intended for private use.

Recommended storage conditions:

1. Store in well-closed, original containers.
2. Protect from light, moisture, and extreme temperatures.
3. Keep dry and at room temperature.
4. Store separately from strong oxidizing substances.