Description

2-Cyanonaphthalene-1-Sulfonic Acid is a specialized organic intermediate featuring both a sulfonic acid group and a nitrile moiety on a naphthalene backbone. This unique bifunctional structure makes it a valuable precursor for synthesizing dyes, pigments, and advanced pharmaceutical compounds. It is primarily sought after by research institutions and industrial manufacturers in the fine chemical, agrochemical, and material science sectors for developing novel functional molecules.

Application

• Dye and Pigment Intermediate: Serves as a key building block for the synthesis of naphthalene-based acid dyes, reactive dyes, and high-performance pigments.
• Pharmaceutical Synthesis: Used as a versatile precursor in the research and development of active pharmaceutical ingredients (APIs), particularly those requiring a naphthalene sulfonate scaffold.
• Agrochemical Manufacturing: Employed in the production of specialized herbicides and plant growth regulators where the sulfonic acid group enhances solubility and bioavailability.
• Liquid Crystal and OLED Materials: Functions as an intermediate in the creation of charge-transporting materials and emissive layers for electronic displays.
• Corrosion Inhibitor Formulation: Utilized in the development of high-efficiency corrosion inhibitors for industrial water treatment and metal processing.
• Polymer Modification: Acts as a monomer or additive to introduce sulfonic acid functionality into polymers, improving hydrophilicity and ion-exchange capacity.
• Chemical Research: A valuable reagent for organic synthesis and methodological studies in academic and industrial R&D laboratories.

Basic Information

Product Name	2-Cyanonaphthalene-1-Sulfonic Acid
CAS No.	408315-11-7
Molecular Formula	C₁₁H₇NO₃S
Molecular Weight	233.24 g/mol
Synonyms	1-Naphthalenesulfonic acid, 2-cyano-; 2-Cyano-1-naphthalenesulfonic acid; 2-Cyano-1-naphthalenesulphonic acid; 2-Cyano-1-naphthalenesulfonate; 2-Cyanonaphthalene-1-sulphonic acid; 1-Sulfo-2-cyanonaphthalene; 2-Cyano-1-sulfonaphthalene; NSC 408315
EINECS	Contact for details

Quality Control

Our 2-Cyanonaphthalene-1-Sulfonic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment, guaranteeing traceability and compliance with relevant industry standards.

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 and strong acid nature, the container must be kept tightly sealed to exclude moisture and stored separately from bases and reactive materials.

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%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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