Demethylamino

Updated: 2026-07-23

Overview

N-Methylamino, commonly referred to as methylamine, is a simple organic compound with the formula CH3NH2. It exists as a gas at room temperature but is often handled as a liquid under pressure or in solution. This compound is a derivative of ammonia, where one hydrogen atom is replaced by a methyl group. N-Methylamino is industrially significant due to its role as a building block in the synthesis of various chemicals. It is produced on a large scale and is a key intermediate in the manufacture of pharmaceuticals, agrochemicals, and other specialty chemicals. Its reactivity makes it versatile for numerous chemical transformations.

Physical and Chemical Properties

N-Methylamino is a colorless gas with a pungent, ammonia-like odor. It is highly soluble in water and most organic solvents, which makes it easy to handle in aqueous or alcoholic solutions. The compound is highly flammable and forms explosive mixtures with air. Chemically, N-Methylamino is a strong base and nucleophile, participating in reactions such as alkylation, acylation, and condensation. It reacts vigorously with oxidizing agents, acids, and halogens, requiring careful handling to prevent hazardous situations. Its low boiling point (-6.3°C) means it must be stored under pressure or refrigeration to maintain liquid form.

Main Applications

N-Methylamino is widely used in the pharmaceutical industry for synthesizing drugs such as ephedrine and theophylline. It also serves as a precursor for pesticides, including carbamate insecticides and herbicides. In the dye industry, N-Methylamino is used to produce intermediates for azo dyes and other colorants. Additionally, it finds applications in rubber chemicals, where it acts as a vulcanization accelerator. Its role in the production of N-methylformamide and N-methylacetamide further extends its utility in industrial chemistry.

Safety and Storage

Due to its flammability, toxicity, and corrosiveness, N-Methylamino requires strict safety measures. It should be stored in tightly sealed containers made of compatible materials like stainless steel or polyethylene. Storage areas must be well-ventilated and free from ignition sources. Personal protective equipment (PPE), including gloves, goggles, and respirators, is essential when handling this compound. Spills should be neutralized with dilute acid and cleaned up immediately. Emergency showers and eyewash stations must be accessible in areas where N-Methylamino is used.

B2B Procurement Guide

When procuring N-Methylamino, buyers should prioritize suppliers with proven track records in chemical manufacturing and distribution. Verify the supplier's certifications, such as ISO or GMP compliance, to ensure quality and safety standards. Purity levels (typically 40% aqueous solution or anhydrous gas) should align with the intended application. Buyers should also confirm transportation and storage conditions, as improper handling can compromise product integrity. Bulk purchases may offer cost advantages, but ensure adequate storage facilities are available.