Description

3' 3'' 5' 5''-Tetrabromophenolphthalein is a high-purity brominated derivative of phenolphthalein, recognized by the CAS registry number 1301-20-8. This specialized organic compound serves as a critical intermediate and analytical reagent in advanced chemical synthesis and research. It is essential for manufacturers and R&D laboratories in the pharmaceutical, fine chemical, and specialty dye industries seeking precise and reliable brominated building blocks.

Application

• Pharmaceutical Intermediate: Used in the synthesis of complex active pharmaceutical ingredients (APIs) and other brominated organic molecules.
• Analytical Chemistry Reagent: Functions as a pH indicator or a specific reagent in titrations and colorimetric assays due to its distinct color change properties.
• Fine Chemical Synthesis: Acts as a key precursor or intermediate in the production of specialty chemicals, dyes, and pigments.
• Research & Development: Employed in academic and industrial R&D for studying bromination reactions and developing new materials.
• Polymer Additive: Can be utilized in the modification of polymer properties or as a component in specialized polymer formulations.

Basic Information

Product Name	3' 3'' 5' 5''-Tetrabromophenolphthalein
CAS No.	1301-20-8
Molecular Formula	C20H10Br4O4
Molecular Weight	633.91 g/mol
Synonyms	Tetrabromophenolphthalein; 3,3',5,5'-Tetrabromophenolphthalein; Phenolphthalein, 3,3',5,5'-tetrabromo-; NSC 403107; Bromophenolphthalein; TBPP; 3,3',5,5'-Tetrabromophenolphthalein free acid
EINECS	215-091-7

Quality Control

Our 3' 3'' 5' 5''-Tetrabromophenolphthalein is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and spectroscopic methods, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

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. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Light yellow to beige powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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