4-Methylphenylhydrazine Hydrochloride CAS 637-60-5

1. 4-Methylphenylhydrazine hydrochloride is used as a pharmaceutical and dye intermediate in organic synthesis .
2. 4-Methylphenylhydrazine hydrochloride CAS 637-60-5 serves as a building block for preparing azo compounds and biologically active molecules .
3. 4-Methylphenylhydrazine hydrochloride is utilized in research as a model compound for studying the metabolism and tumorigenic effects of arylhydrazines .

1. Store 4-Methylphenylhydrazine hydrochloride in a tightly sealed container under inert gas in a cool, dark place below 15°C, protected from light, air, and moisture .
2. Keep 4-Methylphenylhydrazine hydrochloride CAS 637-60-5 strictly away from strong oxidizing agents and store in a locked, well-ventilated area .
3. Handle 4-Methylphenylhydrazine hydrochloride using appropriate personal protective equipment including gloves, safety goggles, and face protection, and avoid breathing dust or vapors .

1. Isolate the spill 4-Methylphenylhydrazine hydrochloride CAS 637-60-5 area, wear full protective equipment including self-contained breathing apparatus, and avoid generating dust .
2. Sweep up solid 4-Methylphenylhydrazine hydrochloride into sealed, labeled containers for disposal as hazardous waste .
3. Prevent spilled 4-Methylphenylhydrazine hydrochloride from entering drains or waterways, and dispose of waste according to environmental regulations .

1. 4-Methylphenylhydrazine hydrochloride is toxic if swallowed (H301), in contact with skin, or if inhaled, with GHS signal word "Danger" .
2. 4-Methylphenylhydrazine hydrochloride CAS 637-60-5 causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335) .
3. 4-Methylphenylhydrazine hydrochloride is tumorigenic in animal studies, classified for transport as a poison (UN 2811, Hazard Class 6.1, PG III), and combustion produces toxic fumes including nitrogen oxides, hydrogen chloride, and carbon oxides .