Description

Phenolphthalein Carbinol Disulfate, Tripotassium Salt.H2O is a high-purity, water-soluble salt derivative of phenolphthalein, a classic acid-base indicator. This compound is valued for its consistent reactivity and serves as a critical intermediate in the synthesis of specialized dyes, analytical reagents, and advanced materials. It is primarily utilized by manufacturers and R&D laboratories in the pharmaceutical, fine chemical, and analytical chemistry sectors seeking reliable, high-quality chemical building blocks.

Application

• Pharmaceutical Intermediate: Used in the synthesis of specialized drug compounds and diagnostic agents.
• Analytical Chemistry Reagent: Serves as a precursor or component in the formulation of pH indicators and other test reagents.
• Fine Chemical Synthesis: Acts as a key building block for producing complex organic molecules, including dyes and pigments.
• Research & Development: Employed in academic and industrial labs for method development and chemical studies.
• Specialty Dye Manufacturing: Utilized in the production of colorants for specific industrial or laboratory applications.
• Biochemical Research: Potential use in developing probes or markers for biochemical assays.

Basic Information

Product Name	Phenolphthalein Carbinol Disulfate, Tripotassium Salt.H2O
CAS No.	123333-59-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Tripotassium Phenolphthalein Carbinol Disulfate Monohydrate; Phenolphthalein-3',3''-bis(methylenol) Disulfate Tripotassium Salt Hydrate; 3,3-Bis(4-hydroxy-3-sulfonatophenyl)-1(3H)-isobenzofuranone Tripotassium Salt; Phenolphthalein Bis(Methylene Sulfate) Tripotassium Salt; Phenolphthalein Dimethanol Disulfate Tripotassium Salt Hydrate
EINECS	Contact for details

Quality Control

Our Phenolphthalein Carbinol Disulfate, Tripotassium Salt.H2O is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters such as assay, impurity profile, and loss on drying are available upon request to support your quality assurance and regulatory needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	Contact for details
Solubility	Freely soluble in water

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