Description

1-Naphthylhydrazine CAS NO 2243-55-2 is a versatile aromatic hydrazine derivative that serves as a critical building block in organic synthesis. Its primary value lies in its dual functionality, acting as both a nucleophile and a precursor for heterocyclic compounds, which is essential for creating complex molecular architectures. This high-purity intermediate is particularly needed by manufacturers in the pharmaceutical, agrochemical, and dyestuff industries for the development of active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various heterocyclic compounds and active pharmaceutical ingredients (APIs), particularly those with naphthalene-based structures.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where its hydrazine moiety facilitates the formation of nitrogen-containing bioactive molecules.
• Dyestuff and Pigment Manufacturing: Serves as a coupling agent and intermediate for producing azo dyes and organic pigments, contributing to color strength and stability.
• Chemical Research & Development: Employed in academic and industrial R&D labs as a reagent for constructing hydrazones and other functionalized organic molecules.
• Polymer Industry: Can be utilized as a modifier or chain extender in specialty polymer formulations to introduce specific functional groups.
• Analytical Chemistry: Acts as a derivatization agent for the detection and quantification of carbonyl compounds (aldehydes and ketones) via hydrazone formation.

Basic Information

Product Name	1-Naphthylhydrazine
CAS No.	2243-55-2
Molecular Formula	C10H10N2
Molecular Weight	158.20 g/mol
Synonyms	1-Hydrazinonaphthalene; α-Naphthylhydrazine; Naphthalen-1-ylhydrazine; (1-Naphthyl)hydrazine; 1-Naphthylhydrazine hydrochloride (salt form); 1-NHZ; 1-Aminonaphthalene hydrazine
EINECS	218-822-4

Quality Control

Our 1-Naphthylhydrazine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, open flames, and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	120 - 125 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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