Description

Bromophenol Red Sodium Salt is a high-purity sodium salt derivative of the bromophenol red pH indicator. This compound is valued for its precise colorimetric properties and consistent performance as a biochemical reagent. It is primarily utilized in research, diagnostic manufacturing, and analytical chemistry for pH determination and as a vital component in various culture media and test kits.

Application

• pH Indicator in Culture Media: Used in microbiological and cell culture media for visual pH monitoring.
• Biochemical Research Reagent: Serves as a critical component in buffer solutions and enzymatic assays.
• Diagnostic Kit Manufacturing: Incorporated into test strips and liquid reagents for clinical and laboratory diagnostics.
• Analytical Chemistry: Employed as a colorimetric endpoint indicator in titrations and spectrophotometric analyses.
• Educational Laboratories: Provides a reliable and visible pH transition for teaching and demonstration purposes.
• Quality Control Testing: Used in pharmaceutical and industrial processes to monitor reaction pH.

Basic Information

Product Name	Bromophenol Red Sodium Salt
CAS No.	102185-50-2
Molecular Formula	C19H11Br4NaO5S
Molecular Weight	691.96 g/mol
Synonyms	Bromophenol Red, Sodium Salt; 3',3'',5',5''-Tetrabromophenolsulfonephthalein Sodium Salt; Bromphenol Red Sodium Salt; BPR Sodium Salt; NSC 65816; Tetrabromophenolsulfonephthalein Sodium Salt; Bromophenol Red Na Salt
EINECS	Contact for details

Quality Control

Our Bromophenol Red Sodium Salt is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to ensure it meets the high standards required for research and diagnostic applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; ensure the container is kept tightly sealed in a dry environment to prevent degradation and absorption of moisture.

Specification

Item	Specification
Appearance	Reddish-brown to dark red powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
pH Transition Range	5.2 (yellow) to 6.8 (red)
Loss on Drying	≤ 5.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear, red solution

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.