Description

Rosolic Acid is a synthetic organic compound belonging to the triphenylmethane dye family, known for its distinct colorimetric properties. This versatile chemical serves as a crucial intermediate and analytical reagent in various high-precision industrial and research applications. It is primarily sought after by manufacturers and laboratories in the chemical synthesis, analytical chemistry, and life sciences sectors for its utility in pH indicators, biological staining, and as a precursor for specialized dyes.

Application

• pH Indicator Manufacturing: A key component in the production of pH indicator solutions and test papers due to its vivid color change across specific pH ranges.
• Biological Staining: Used in histological and microbiological laboratories as a staining agent for microscopic analysis of tissues and cells.
• Chemical Synthesis: Acts as a vital intermediate in the synthesis of more complex triphenylmethane dyes and other specialty organic compounds.
• Analytical Reagent: Employed in analytical chemistry for colorimetric assays and as a complexometric indicator in titration experiments.
• Research & Development: Utilized in academic and industrial R&D for studying dye chemistry, photophysical properties, and material science applications.
• Educational Demonstrations: Serves as a model compound in educational settings to demonstrate principles of acid-base chemistry and spectrophotometry.

Basic Information

Product Name	Rosolic Acid
CAS No.	603-45-2
Molecular Formula	C20H16O3
Molecular Weight	304.34 g/mol
Synonyms	4-[(4-Hydroxyphenyl)(4-oxocyclohexa-2,5-dien-1-ylidene)methyl]phenol; Aurin; Corallin; Pararosolic Acid; Rosaniline Hydrochloride Impurity; p-Rosolic Acid; Yellow Corallin; C.I. 43800
EINECS	210-041-8

Quality Control

Our Rosolic Acid is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical data, including identity confirmation by IR spectroscopy and purity assessment by HPLC. A Certificate of Analysis (COA) detailing all specifications is available for every batch upon request, supporting your quality assurance and regulatory compliance needs.

Storage

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

Specification

Item	Specification
Appearance	Reddish-brown to dark red powder or crystals
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Solubility	Soluble in ethanol, alkali solutions; slightly soluble in water

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