Description

3',3'',5',5''-Tetrabromophenolphthalein CAS NO 76-62-0 is a brominated derivative of phenolphthalein, widely utilized as a high-sensitivity acid-base indicator and a key intermediate in organic synthesis. This compound is valued for its distinct color change properties and its role in producing specialized dyes and analytical reagents. It is essential for research laboratories, chemical manufacturers, and quality control units in the pharmaceutical and fine chemical industries.

Application

• Acid-Base Indicator: Used in titrations and analytical chemistry due to its sharp color transition in specific pH ranges.
• Chemical Synthesis Intermediate: Serves as a crucial building block for synthesizing more complex brominated organic compounds and specialty dyes.
• Research & Development: Employed in academic and industrial R&D for studying reaction mechanisms and developing new analytical methods.
• Dye Manufacturing: Acts as a precursor in the production of certain brominated dyes and pigments.
• Laboratory Reagent: Formulated into standardized solutions for use as a pH indicator in various laboratory protocols.

Basic Information

Product Name	3',3'',5',5''-Tetrabromophenolphthalein
CAS No.	76-62-0
Molecular Formula	C20H10Br4O4
Molecular Weight	633.92 g/mol
Synonyms	Tetrabromophenolphthalein; 3,3',5,5'-Tetrabromophenolphthalein; Phenolphthalein, 3',3'',5',5''-tetrabromo-; NSC 403107; Bromthymol Blue (Note: This is a distinct but related compound, often searched alongside); TBP; Acid-base indicator TBP
EINECS	200-973-0

Quality Control

Our 3',3'',5',5''-Tetrabromophenolphthalein is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identity confirmation by IR spectroscopy and purity assessment by HPLC, to ensure it meets high-grade specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Light yellow to beige powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm

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