Indigo Carmine Sodium Indigotindisulfonate AR Grade Analytical Reagent 95 Percent Purity For Chemistry Labs Deep Blue Dye Powder 25 G Pack Ideal For Titrations Color Indicators And Dye Testing
✔️ AR grade indigo carmine, 25 g pack, deep blue dye indicator
Indigo carmine, also called sodium indigotindisulfonate, is a deep blue powder used as an acid-base and redox indicator in chemistry labs. It also finds applications in textiles and microscopy staining. This 25 g AR-grade pack is designed for titration work and dye testing.
✅ Molecular formula: C16H8N2Na2O8S2
✅ Molecular weight: 466.37 g/mol
✅ Water solubility: 1 g per 100 ml at 25°C; soluble in ethanol; nearly insoluble in most organic solvents
✅ Synonyms: Indigo carmine, indigotindisulfonate sodium, indigotine, acidblue74, soluble indigo blue, indigosoluble, carmine blue, indigocarminesodiumsalt, sodium indigotindisulfonate
✅ Applications: acid-base indicator, redox indicator, dye testing, microscopy staining, textile dyeing and denim substitution
💡 What is indigo carmine used for in chemistry labs and textile testing?
It's a handy dye and indicator for a range of lab and textile tasks.
- Color indicator for acid-base and redox reactions with clear endpoint color change
- Microscopy staining and textile dyeing applications, including denim substitution
- Color testing and traffic light experiments in analytical workflows