Description

3,4,5,6-Tetrabromophenolsulfonphthaleine is a halogenated derivative of phenolsulfonphthalein, a compound class known for its utility as a pH indicator and in specialized chemical synthesis. This brominated analog is valued for its enhanced molecular weight and specific reactivity, making it a key intermediate in the production of advanced materials and fine chemicals. It is primarily sought by manufacturers in the chemical synthesis, research and development, and specialty dye sectors for creating high-performance compounds.

Application

• Chemical Synthesis Intermediate: Serves as a crucial building block for synthesizing complex brominated organic compounds and polymers.
• pH Indicator Research: Used in the development and calibration of novel pH-sensitive dyes and sensors due to its structural similarity to common indicators.
• Analytical Reagent: Employed in laboratory settings as a standard or reagent in specific spectrophotometric and chromatographic analytical methods.
• Specialty Dye & Pigment Precursor: Acts as a precursor in the manufacture of bromine-containing dyes and pigments for niche industrial applications.
• Material Science Research: Investigated for potential use in modifying surface properties or creating functionalized materials.
• Pharmaceutical Intermediate: Potentially utilized in the research phase for synthesizing brominated active pharmaceutical ingredients (APIs) or diagnostic agents.

Basic Information

Product Name	3,4,5,6-Tetrabromophenolsulfonphthaleine
CAS No.	123333-63-1
Molecular Formula	C19H10Br4O5S
Molecular Weight	693.87 g/mol
Synonyms	3,4,5,6-Tetrabromophenolsulfonphthalein; Tetrabromophenol Red; Bromophenol Red Tetrabromo Derivative; Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2,3,5,6-tetrabromo-, S,S-dioxide; 3',3'',5',5''-Tetrabromophenolsulfonphthalein
EINECS	Contact for details

Quality Control

Our 3,4,5,6-Tetrabromophenolsulfonphthaleine is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing specific results for purity, residual solvents, and heavy metals is provided with every shipment to guarantee it meets your research or production 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. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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