Thymolphthalein [125-20-2]

Thymolphthalein [125-20-2] falls within a group of substances characterized by consistent performance as indicators and stains. Its molecular formula is C28H30O4, with a molecular weight of 430.54. As a member of both phenols, substituted and lactones, substituted classes, it exhibits unique properties that make it valuable in various applications. This particular Thymolphthalein carries a Danger signal word, signifying potential hazards that necessitate careful handling. It appears as a white powder, with a loss on drying less than 1.0%. A clear solution can be prepared using 0.1% ethanol. The compound transitions from colourless to blue in the pH range of 9.3 to 10.5. Absorption occurs at wavelengths between 592 and 596 nanometers in a 0.1N NaOH solution.

• CAS Number: 125-20-2
• Molecular Weight: 430.54
• GHS Signal Word: Danger
• Molecular Formula: C28H30O4
• Appearance: White powder
• Absorptivity 1%,1cm: >1000
• Exact Mass: 430.21440943
• Hazard Statements:
  • H341: Suspected of causing genetic defects [Warning Germ cell mutagenicity]