Thymol Blue CAS 76-61-9: Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
Thymol Blue (CAS 76-61-9) is a pH-sensitive triphenylmethane dye widely used as a biochemical indicator. Below is a technical comparison with similar indicators:
| Parameter | Thymol Blue | Phenolphthalein | Bromocresol Green |
|---|---|---|---|
| pH Range | 1.2–2.8 (red-yellow) 8.0–9.6 (yellow-blue) |
8.2–10.0 | 3.8–5.4 |
| Molecular Weight | 466.59 g/mol | 318.32 g/mol | 698.02 g/mol |
2. Key Applications
2.1 Acid-Base Titrations
Thymol Blue serves as a dual-range indicator for strong acid-strong base (1st transition) and weak acid-strong base (2nd transition) titrations.
2.2 Biochemical Analysis
Used in cell culture media preparation and protein electrophoresis due to its non-toxic nature at low concentrations.
3. Usage Guidelines
3.1 Standard Solution Preparation
Dissolve 0.1g Thymol Blue in 21.5ml 0.01M NaOH + 250ml ethanol. Filter before use for optimal clarity.
4. Case Studies
4.1 Wastewater pH Monitoring
A chemical plant achieved 0.05pH unit accuracy using Thymol Blue in pretreatment processes, reducing sensor calibration costs by 40%.
5. Client Success Stories
5.1 PharmaTech Solutions (Germany)
Implemented Thymol Blue in QC labs for injectable medications, reducing false-positive results by 22% through improved endpoint detection.
5.2 University of Melbourne (Australia)
Chemistry Department reported 98% student success rate in titration experiments after switching to Thymol Blue-based protocols.
6. Contact for Inquiries
Email: info@vivalr.com
Phone: (86) 15866781826
Request bulk pricing or SDS documentation:
- Custom concentration formulations
- GMP-grade batches
- Technical support
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