About Hydroxy Naphthol Blue
Hydroxy Naphthol Blue
| Product | Hydroxy Naphthol Blue | |
| Cas no | 63451-35-4 | |
| Tests | Results | (Limit/std) |
| Solubility 0.1%(water) | Clear wine red solution | (Passes test) |
| Absorptivity (1% 1cm,at l max, | | |
| in ammonia buffer pH 12.0+2ml | | |
| 0.05 M.E.T.D.A.) 648.Onm | 427 | (350-500) |
| Loss on drying at 105OC (1hr.) | 0.0357 | (<5%) |
High Purity Indicator for Reliable Laboratory ResultsHydroxy Naphthol Blue offers unmatched precision in chemical analysis due to its excellent purity of over 99%. Its consistent and predictable color change within the pH range of 5.2 to 7.2 makes it indispensable for laboratory applications requiring reliable and reproducible results. Laboratories benefit from its robust shelf life and flexible packaging sizes.
Customizable Packaging for Varied Laboratory NeedsThis indicator dye is available in custom packaging options to suit the scale of your laboratory operations. Whether you require a small bottle or larger HDPE containers, Hydroxy Naphthol Blue is supplied by trusted distributors, exporters, and manufacturers across India, ensuring quality product delivery tailored to your requirements.
Safe Storage and Long Shelf LifeHydroxy Naphthol Blue should be stored tightly closed in a cool, dry place to maintain its stability over its 5-year shelf life. The products solid physical state and reliable packaging help preserve its purity and effectiveness, minimizing degradation and waste for laboratory and industrial users.
FAQs of Hydroxy Naphthol Blue:
Q: How is Hydroxy Naphthol Blue commonly used in laboratory applications?
A: Hydroxy Naphthol Blue is used as a pH indicator and complexometric indicator in laboratory analyses, especially in titrations involving metal ions and for monitoring pH changes in solutions within the 5.2 to 7.2 range.
Q: What is the benefit of Hydroxy Naphthol Blues high purity greater than 99%?
A: A high purity level ensures accurate and reproducible results in chemical analyses, minimizing the risk of impurities affecting the indicators performance or interfering with laboratory reactions.
Q: When does Hydroxy Naphthol Blue visually indicate a pH change?
A: The dye transitions from red to blue visually as the pH of a solution increases between 5.2 and 7.2. This clear color change assists in precise endpoint detection during titrations.
Q: Where should Hydroxy Naphthol Blue be stored for optimal longevity?
A: It should be stored in a tightly closed container, kept in a cool and dry place, to preserve its stability and maintain its 5-year shelf life.
Q: What types of packaging are available for Hydroxy Naphthol Blue?
A: The product is offered in bottles and HDPE containers, with custom sizes available to meet different laboratory or industrial needs.
Q: How is Hydroxy Naphthol Blue supplied and distributed in India?
A: It is supplied, exported, imported, manufactured, and distributed by various reputable companies, making it widely accessible to laboratories, retailers, and wholesalers throughout India.
Q: What is the primary area of application for Hydroxy Naphthol Blue?
A: Its main applications are as a complexometric indicator in metal ion titrations and as a pH indicator, due to its distinct color transition and chemical stability.