Description

4-Phenylnaphthalene-1-Sulfonic Acid is a specialized aromatic sulfonic acid derivative, a key intermediate in advanced organic synthesis. This compound matters for its role as a versatile building block in the production of dyes, pigments, and functional materials, where its sulfonic acid group enables critical chemical modifications. It is primarily needed by manufacturers in the fine chemical, pharmaceutical, and specialty materials industries for research and development as well as process scale-up.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of high-performance naphthalene-based dyes and organic pigments.
• Pharmaceutical Synthesis: Serves as a building block for active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Functional Material Production: Used in the development of electro-optical materials, liquid crystals, and organic semiconductors.
• Chemical Research & Development: An important reagent in academic and industrial R&D for exploring new synthetic pathways.
• Surfactant and Detergent Chemistry: Acts as a starting material for synthesizing specialized surfactants with unique properties.
• Polymer Modification: Employed to introduce sulfonic acid groups into polymer chains, altering solubility and reactivity.

Basic Information

Product Name	4-Phenylnaphthalene-1-Sulfonic Acid
CAS No.	166302-80-3
Molecular Formula	C₁₆H₁₂O₃S
Molecular Weight	284.33 g/mol
Synonyms	1-Naphthalenesulfonic acid, 4-phenyl-; 4-Phenyl-1-naphthalenesulfonic acid; 4-Phenylnaphthalene-1-sulphonic acid; 4-Phenyl-1-naphthalenesulphonic acid; 4-Phenyl-1-naphthalenesulfonate; 4-Phenylnaphthalenesulfonic acid; Phenylnaphthalenesulfonic acid
EINECS	Contact for details

Quality Control

Our 4-Phenylnaphthalene-1-Sulfonic Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for industrial and research applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature, store in a cool, dry place at a controlled room temperature (15-25°C). Ensure the storage area is well-ventilated and separate from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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