Tartrazine yellow Extra Pure

$ 16.20
Tartrazine Yellow Extra Pure is a high-purity, water-soluble synthetic azo dye used extensively in laboratory, pharmaceutical, and regulated food and cosmetic applications. It provides a vivid yellow color with a characteristic absorption around 427 nm, making it ideal for use in analytical procedures such as spectrophotometry and dye behavior research. Its Extra Pure grade ensures low impurity content and consistent performance for research and testing. Due to its sensitization potential and ecological persistence, controlled handling and proper disposal are advised.

Thymoil Blue Extra Pure

Original price was: $ 18.21.Current price is: $ 18.09.
Thymoil Blue Extra Pure is a dual-range pH indicator and high-grade analytical reagent used extensively in laboratories for acid-base titrations, buffer preparation, and spectrophotometric measurements. It offers vivid and distinct color changes over two pH ranges, making it highly valuable for both quantitative analysis and educational demonstrations. This Extra Pure grade ensures minimal impurity and consistent behavior in sensitive experimental settings. Thymol Blue should be stored in a dry, cool, and dark environment to preserve its reactivity and accuracy.