Description

9-Phenanthrenesulfonic Acid is a specialized aromatic sulfonic acid derivative, serving as a key intermediate in advanced organic synthesis. Its value lies in its ability to introduce the phenanthrene sulfonate moiety, which is crucial for modifying solubility and electronic properties in target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing high-performance materials, dyes, and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring sulfonated aromatic structures.
• Agrochemical Synthesis: Serves as a building block for creating advanced herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Acts as a key intermediate in the production of sulfonated dyes and optical brighteners, enhancing water solubility and color fastness.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D focused on polycyclic aromatic hydrocarbon (PAH) chemistry and sulfonation reactions.
• Specialty Surfactants: Can be utilized to synthesize specialized surfactants and dispersants for niche industrial applications.
• Electrolyte Additive: Investigated for use in advanced battery systems and electroplating baths due to its ionic character.

Basic Information

Product Name	9-Phenanthrenesulfonic Acid
CAS No.	572-51-0
Molecular Formula	C₁₄H₁₀O₃S
Molecular Weight	258.29 g/mol
Synonyms	Phenanthrene-9-sulfonic Acid; 9-Phenanthrenesulphonic Acid; NSC 403107; 9-Sulfophenanthrene; Phenanthrene-9-sulphonic Acid; 9-Phenanthrene Sulfonic Acid; 9-PSA
EINECS	209-350-5

Quality Control

Our 9-Phenanthrenesulfonic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with key parameters including assay, impurity profile, and physical characteristics. Our quality commitment ensures the material is suitable for demanding research and industrial synthesis applications.

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 to prevent absorption of atmospheric moisture. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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