1-Chloronaphthalene (CAS 90-13-1) is a liquid chlorinated naphthalene with 90% purity, a boiling point of 259°C, and a refractive index of 1.633. It functions as both a high-boiling solvent and a refractive index standard. S.Nihar Exports, an ISO 9001:2015 certified supplier, provides this specialty chemical globally to pharmaceutical, R&D, and life sciences sectors, issuing a Certificate of Analysis with every shipment.
Chemical Profile and Identification
1-Chloronaphthalene is identified by CAS number 90-13-1. It is a liquid chlorinated naphthalene with 90% purity and a boiling point of 259°C. This compound exhibits a refractive index of 1.633, contributing to its use as a precise reference liquid. Its chemical stability and high boiling point are key properties for its diverse applications.
Applications as a Standard and High-Temperature Solvent
Due to its refractive index of 1.633, 1-Chloronaphthalene is utilized as a refractive index standard and an immersion oil for optical microscopy and refractometry. Its high boiling point (259°C) and chemical stability make it suitable as a high-temperature solvent for polymer characterisation, including polymer GPC/SEC analysis. It also functions as a solvent for various polyaromatic compounds.
Specialized Uses and Synthesis
1-Chloronaphthalene is employed in the preparation of carbon nanotube dispersions, leveraging its ability to interact with aromatic systems. It serves as a dispersion medium for both carbon nanotubes and graphene. Additionally, it is used in the synthesis of naphthalene and chloronaphthalene derivatives and finds application in dielectric fluid research.
Sourcing from S.Nihar Exports
S.Nihar Exports is an ISO 9001:2015 certified fine and specialty chemical supplier, founded in 1995 and part of N. Himatlal & Co. Headquartered in Mumbai, India, at 512 Maker Bhavan 3, New Marine Lines, Mumbai 400020, A Certificate of Analysis (COA) is provided with every shipment. HPLC-grade, ACS reagent, and indicator-grade variants of specialty chemicals are available on request.