1. Product Overview & Parameter Comparison

Bromocresol Purple (CAS 115-40-2) is a triarylmethane dye widely used as a pH indicator. Key specifications include:

2. Detailed Applications

2.1 Microbiology

Acts as pH indicator in culture media for bacterial identification (e.g., MacConkey agar).

2.2 Analytical Chemistry

Used in acid-base titrations for precise endpoint detection between pH 5.2-6.8.

2.3 Medical Diagnostics

Component of urinalysis strips for detecting renal tubular acidosis.

3. Usage Scenarios & Best Practices

3.1 Preparation of 0.04% Solution

1. Dissolve 0.1g in 16.6ml 0.01M NaOH
2. Dilute to 250ml with distilled water
3. Filter through 0.22μm membrane

3.2 Quality Control

Verify color transition using pH 5.0 and 7.0 buffer solutions monthly.

4. Real-World Client Case Studies

Case 1: PharmaTech Solutions (Germany)

Challenge: Required stable pH indicator for antibiotic susceptibility testing.
Solution: Implemented 0.02% bromocresol purple in MH agar.
Result: 15% improvement in zone edge clarity.

Case 2: OceanBio Research Center (USA)

Challenge: Needed marine microbial culture indicator.
Solution: Custom 0.03% formulation with salinity tolerance.
Result: Stable performance at 3.5% NaCl concentration.

5. Contact for Technical Support

For formulation guidance or bulk pricing:

Email: info@vivalr.com
Tel: (86) 15866781826

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