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Postion:Product Catalog >Biochemical Engineering>Biochemical Reagents>Biological Dyes>Bromothymol blue sodium salt
Bromothymol blue sodium salt
  • Bromothymol blue sodium salt

Bromothymol blue sodium salt NEW

Price Get Latest Price
Package 1kg 25kg
Min. Order: 1kg
Supply Ability: 20MT
Update Time: 2025-08-07

Product Details

Product Name: Bromothymol blue sodium salt CAS No.: 34722-90-2
Min. Order: 1kg Purity: 0.99
Supply Ability: 20MT Release date: 2025/08/07

**Bromothymol Blue (BTB)** is a pH-sensitive synthetic dye commonly used as a **pH indicator** due to its distinct color changes in response to acidity or alkalinity. Its main applications include:  


### **1. pH Indicator**  

- **Color Changes**:  

  - **Yellow** (pH < 6.0, acidic)  

  - **Green** (pH ~7.0, neutral)  

  - **Blue** (pH > 7.6, alkaline)  

- Used in:  

  - **Laboratory experiments** (titrations, acid-base reactions)  

  - **Educational kits** (to demonstrate pH changes)  

  - **Aquarium water testing** (monitoring pH levels)  


### **2. Biological & Medical Applications**  

- **Microbiology**: Detects metabolic activity (e.g., **CO? production** in bacterial cultures turns the medium yellow).  

- **Cell Biology**: Used in some staining techniques.  

- **Respiratory Physiology**: Occasionally used in **spirometry** to monitor CO? levels in breath.  


### **3. Industrial & Environmental Uses**  

- **Water quality testing** (monitoring pH in pools, aquariums, or wastewater).  

- **Chemical process monitoring** (e.g., fermentation, industrial reactions).  


### Safety & Handling

- **Not for ingestion—toxic if swallowed.  

- Used in **dilute solutions** (typically 0.04% in ethanol/water).  


Would you like details on its chemical structure or alternatives (e.g., phenolphthalein, litmus)?


Company Profile Introduction

Founded in 2006 and headquartered in Wuhan, Hubei, China, Watson Biotechnology Co., Ltd is a leading manufacturing powerhouse specializing in the production of Active Pharmaceutical Ingredients (APIs) and Intermediates, Food and Feed Additives, Agricultural and Aquaculture chemicals, and Fine Chemicals. As a dedicated factory, our operations are driven by a commitment to excellence and innovation, ensuring that our products meet the highest standards of quality and compliance. With a robust team of over 100 skilled professionals, Watson Biotechnology has established itself as a trusted name in the industry. Our products are meticulously crafted to align with international standards such as USP (United States Pharmacopeia), EP (European Pharmacopoeia), and BP (British Pharmacopoeia), guaranteeing reliability and efficacy. At Watson Biotechnology, we pride ourselves on our cutting-edge facilities and state-of-the-art technology, which enable us to deliver superior products that cater to a diverse range of needs across various sectors. Our dedication to continuous improvement and customer satisfaction drives us to maintain stringent quality control processes and foster an environment of innovation and growth. Join us at Watson Biotechnology Co., Ltd as we continue to pioneer advancements in biotechnology and contribute to a healthier, more sustainable future.

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