Description

2-Naphthalenecarbonyl Chloride, 1-Methyl- (9Ci) is a specialized organic intermediate belonging to the class of acyl chlorides. This compound is valued for its high reactivity, serving as a key building block for the synthesis of more complex molecules, particularly in fine chemical and pharmaceutical research. It is primarily sought by R&D chemists and process development scientists working in advanced material science, agrochemical, and active pharmaceutical ingredient (API) manufacturing.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those with naphthalene-based structures.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides, herbicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a key intermediate for producing high-performance organic dyes and pigments with specific light-fastness and color properties.
• Polymer Chemistry: Employed in the creation of specialty polymers and functional materials, where it can act as a monomer or a modifying agent.
• Liquid Crystal and OLED Material Research: Utilized in the development of organic electronic materials for displays and lighting applications.
• Chemical Research & Development: A versatile reagent for academic and industrial laboratories exploring new organic reactions and catalytic processes.

Basic Information

Product Name	2-Naphthalenecarbonyl Chloride, 1-Methyl- (9Ci)
CAS No.	109019-20-7
Molecular Formula	C12H9ClO
Molecular Weight	204.65 g/mol
Synonyms	1-Methyl-2-naphthoyl chloride; 1-Methyl-2-naphthalenecarbonyl chloride; 2-(Chlorocarbonyl)-1-methylnaphthalene; 1-Methylnaphthalene-2-carbonyl chloride; 1-Methyl-2-naphthoic acid chloride; α-Methyl-2-naphthoyl chloride; 1-Methyl-2-naphthoic acid, chloride
EINECS	Contact for details

Quality Control

Our 2-Naphthalenecarbonyl Chloride, 1-Methyl- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with key parameters including assay (by titration or HPLC), identity confirmation (by IR), and impurity profiles. Our quality commitment supports your R&D and scale-up processes with reliable, traceable material.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from heat, open flames, and incompatible materials such as water, alcohols, strong bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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