62625-21-2

Basic information

• Product Name: Sodium Thymol Blue
• Synonyms: A-HYDROXY-A A-BIS(5-HYDROXYCARBACRYL)-O-TOLUENESULFONIC ACID G-SULTONE SODIUM SALT;THYMOLSULFONEPHTHALEIN SODIUM SALT;THYMOLSULFONPHTHALEIN;THYMOLSULFONPHTHALEIN, SODIUM;THYMOLSULFONPHTHALEIN SODIUM SALT;THYMOL BLUE, WATER SOLUBLE;THYMOL BLUE INDICATOR SOLUTION;THYMOL BLUE SODIUM SALT
• CAS NO: 62625-21-2
• Molecular Formula: C₂₇H₂₈O₅S*2Na
• Molecular Weight: 488.57
• EINECS: 263-650-6
• Product Categories: Organics;Analytical Chemistry;Indicator (pH);pH Indicators
• Mol File: 62625-21-2.mol
• Article Data: 0

Chemical Properties

• Melting Point: 283-285 °C (dec.)(lit.)
• Appearance: Orange/Powder
• Density: 0.979 g/mL at 25 °C
• Solubility: 95% ethanol: 10 mg/mL, clear, dark green
• Water Solubility: Soluble in waterSoluble in 0.1N hydrochloric acid/ethanol.
• Stability: Stable.
• BRN: 3861515
• CAS DataBase Reference: Sodium Thymol Blue(CAS DataBase Reference)
• NIST Chemistry Reference: Sodium Thymol Blue(62625-21-2)
• EPA Substance Registry System: Sodium Thymol Blue(62625-21-2)

Safety Data

• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 24/25-36-26
• WGK Germany: 3
• TSCA: Yes
• Hazardous Substances Data: 62625-21-2(Hazardous Substances Data)

Usage

Description

Sodium Thymol Blue is a monosodium salt form of Thymol Blue, which is a pH indicator. It is characterized by its brown powder appearance.

Uses

Used in Chemical Industry:
Sodium Thymol Blue is used as a pH indicator for monitoring and controlling the acidity or alkalinity of various chemical solutions. Its color change in response to different pH levels allows for accurate measurement and adjustment of the solution's pH.
Used in Pharmaceutical Industry:
Sodium Thymol Blue is used as a pH indicator in the formulation of pharmaceutical products. It helps ensure the stability and efficacy of the medication by maintaining the desired pH levels during the manufacturing process.
Used in Environmental Science:
Sodium Thymol Blue is used as a pH indicator in environmental testing and analysis. It aids in determining the pH of soil, water, and other environmental samples, which is crucial for understanding and managing the health of ecosystems.
Used in Food Industry:
Sodium Thymol Blue is used as a pH indicator in the food industry to monitor the acidity or alkalinity of various products during processing. This helps maintain the quality, taste, and shelf life of the final product.
Used in Research and Development:
Sodium Thymol Blue is used as a pH indicator in scientific research and development. It is particularly useful in laboratory settings where precise pH measurements are required for various experiments and analyses.

Upstream product

• 141-52-6 sodium ethanolate 
• 76-61-9 thymol blue