2-methyl-1,4-dinitrobenzene

2-methyl-1,4-dinitrobenzene is an aromatic nitro compound with the molecular formula C7H6N2O4 and CAS number 619-15-8. This chemical features a benzene ring substituted with a methyl group and two nitro groups in specific positions. With a molecular weight of 182.13 g/mol, it belongs to the class of dinitrotoluene isomers and is classified as highly hazardous due to its carcinogenic, mutagenic, and toxic properties.

2-methyl-1,4-dinitrobenzene typically appears as a yellow to orange crystalline solid at room temperature. As an aromatic nitro compound, it exhibits limited water solubility but dissolves well in organic solvents such as alcohol and acetone. The compound has a characteristic aromatic odor and demonstrates stability under normal conditions, though it can be sensitive to heat, shock, and friction due to the presence of nitro groups.

2-methyl-1,4-dinitrobenzene serves primarily as an intermediate in chemical synthesis, particularly in the production of dyes, pigments, and other aromatic compounds. It is used in the manufacture of certain industrial chemicals and as a precursor for pharmaceutical intermediates. Due to its hazardous classification, its use is restricted to specialized industrial applications with appropriate safety measures and regulatory compliance.

2-methyl-1,4-dinitrobenzene requires strict safety protocols including full personal protective equipment: respirator, chemical-resistant gloves, safety goggles, and protective clothing. Work must be conducted in well-ventilated areas or fume hoods to prevent inhalation. Avoid skin contact, ingestion, and eye exposure. Use non-sparking tools and equipment, maintain proper grounding, and ensure emergency shower and eyewash stations are accessible. Only trained personnel should handle this substance.

2-methyl-1,4-dinitrobenzene must be stored in a cool, dry, well-ventilated area away from heat sources, ignition sources, and incompatible materials. Keep containers tightly sealed and protected from light and moisture. Store separately from reducing agents, strong acids, and bases. The storage area should be equipped with appropriate fire suppression systems and spill containment measures. Temperature control and regular inspection of container integrity are essential.

Immediate medical attention is required for any exposure to 2-methyl-1,4-dinitrobenzene. For skin contact, remove contaminated clothing and wash thoroughly with soap and water. In case of eye contact, rinse immediately with plenty of water for at least 15 minutes. If inhaled, move to fresh air immediately. If ingested, do not induce vomiting and seek emergency medical care. Always contact poison control and provide the safety data sheet to medical personnel.

2-methyl-1,4-dinitrobenzene disposal must comply with local, national, and EU waste regulations as hazardous waste. The substance requires specialized treatment at licensed hazardous waste facilities equipped for toxic and potentially explosive materials. Incineration at high temperatures under controlled conditions is typically required. Never dispose of in regular waste streams, sewers, or environment. Consult waste disposal experts and maintain proper documentation for regulatory compliance.

2-methyl-1,4-dinitrobenzene is classified under ADR Class 6.1 (toxic substances), Packing Group II, indicating high toxicity requiring special transport precautions. Packages must bear appropriate hazard labels including GHS08, GHS06, and GHS09 pictograms with "Danger" signal word. Transportation requires certified dangerous goods packaging, proper documentation, and trained drivers with ADR certification. Emergency response information must accompany shipments.

2-methyl-1,4-dinitrobenzene is subject to strict European regulations under REACH and CLP due to its classification as Carcinogenic 1B, Mutagenic 2, and Reproductive toxicant 2. The substance requires safety data sheets, exposure scenarios, and risk management measures. Special authorization may be required for certain uses. Users must comply with occupational exposure limits, environmental discharge restrictions, and worker protection requirements under various EU directives.

2-methyl-1,4-dinitrobenzene is available through OYSI, a specialized European distributor of technical chemicals. As a controlled hazardous substance, procurement requires verification of legitimate use, appropriate licensing, and compliance with regulatory requirements. OYSI provides proper documentation, safety data sheets, and regulatory guidance to qualified industrial customers. Contact OYSI's technical team to discuss specific requirements, quantities, and regulatory compliance for your application.