Congo Red Indicator 25Gm – Laboratory Reagent

Congo Red Indicator is a water-soluble azo dye and pH indicator widely used in laboratory analysis, biological staining, microbiological studies, and biochemical research. It is supplied as a red to reddish-brown powder and is suitable for various laboratory and research applications where a visual color indicator or staining reagent is required.

Congo Red is commonly used as an acid-base indicator because its color changes depending on the pH of the solution. It is also used in histological and microbiological staining procedures and in research involving proteins, biological structures, and microbial identification.

This product is suitable for laboratories, universities, research institutes, educational institutions, microbiology laboratories, and biochemical research applications.

Key Features & Specifications

• Product Name: Congo Red Indicator
• Chemical Name: Congo Red
• CAS Number: 573-58-0
• Empirical Formula: C₃₂H₂₂N₆Na₂O₆S₂
• Molecular Weight: 696.66 g/mol
• Chemical Class: Azo Dye
• Type: pH Indicator / Laboratory Stain
• Appearance: Red to reddish-brown powder
• Solubility: Soluble in water
• Indicator Range: Approximately pH 3.0–5.2
• Application: Laboratory, Biochemical and Microbiological Research

Applications of Congo Red Indicator

pH Indicator

Congo Red is used as a visual acid-base indicator in laboratory experiments. Its characteristic color transition makes it useful for observing changes in the acidity or alkalinity of solutions.

Biological Staining

Congo Red is widely used as a biological and histological staining reagent. It can be used in laboratory studies involving biological samples and tissue structures.

Microbiological Research

Congo Red can be used in microbiological research and certain culture-based studies where dye-based differentiation or staining is required.

Biochemical Research

It is useful in biochemical research involving proteins, biological molecules, molecular interactions, and laboratory analysis.

Educational Laboratory

Congo Red Indicator can also be used in educational laboratories for demonstrating pH-dependent color changes, staining techniques, and basic chemical principles.

Chemical Information

Congo Red has the molecular formula C₃₂H₂₂N₆Na₂O₆S₂ and a molecular weight of 696.66 g/mol. Its CAS number is 573-58-0. The compound belongs to the azo dye family and is commonly supplied as a water-soluble laboratory reagent.

Safety & Handling

When handling Congo Red powder, use appropriate personal protective equipment such as laboratory gloves, protective clothing, and safety goggles. Avoid inhalation of dust and direct contact with the eyes and skin.

Keep the product in a tightly closed container and store it in a cool, dry, and well-ventilated location. Protect the material from moisture and direct sunlight. Always follow the manufacturer’s Safety Data Sheet (SDS) and applicable laboratory safety procedures.

Price & Availability in Bangladesh

Congo Red Indicator is available from M/S Bright Scientific Co.

For current price, stock availability, delivery information, and institutional requirements, please contact us.

Product Availability

• Product: Congo Red Indicator
• CAS Number: 573-58-0
• Molecular Weight: 696.66 g/mol
• Formula: C₃₂H₂₂N₆Na₂O₆S₂
• Form: Red to reddish-brown powder
• Application: Laboratory, Biochemical & Microbiological Research
• Availability: Bangladesh

Why Choose Congo Red Indicator?

• Suitable for laboratory applications
• Useful as a pH indicator
• Suitable for biological staining
• Applicable to microbiological research
• Useful for biochemical studies
• Suitable for educational and research laboratories
• Convenient laboratory reagent
• Suitable for universities and research institutes
• Available for institutional and laboratory requirements
• Nationwide delivery available in Bangladesh

Frequently Asked Questions (FAQ)

1. What is Congo Red Indicator?

Congo Red is a water-soluble azo dye commonly used as a pH indicator, biological stain, and laboratory reagent.

2. What is the CAS number of Congo Red?

The CAS number of Congo Red is 573-58-0.

3. What is the molecular formula of Congo Red?

The empirical formula is C₃₂H₂₂N₆Na₂O₆S₂.

4. What is the molecular weight of Congo Red?

The molecular weight is 696.66 g/mol.

5. What is Congo Red used for?

Congo Red is used in pH testing, biological staining, microbiological research, biochemical studies, and laboratory analysis.

6. Is Congo Red soluble in water?

Yes. Congo Red is generally water-soluble, making it suitable for various aqueous laboratory applications.

7. What is the appearance of Congo Red?

It is generally supplied as a red to reddish-brown powder.

8. Can Congo Red be used as a pH indicator?

Yes. Congo Red can be used as a visual acid-base indicator and exhibits a characteristic color change over an acidic pH range.

9. Is Congo Red suitable for biological staining?

Yes. Congo Red is commonly used as a biological and histological staining reagent in laboratory research.

10. How can I order Congo Red Indicator in Bangladesh?

Contact M/S Bright Scientific Co. for current price, stock availability, pack size, and delivery information.

Contact Information

M/S Bright Scientific Co.
Phone: 01711285976