4-methyl-1,2-dinitrobenzene

4-methyl-1,2-dinitrobenzene is an aromatic nitro compound with the molecular formula C7H6N2O4 and CAS number 610-39-9. This chemical substance has a molecular weight of 182.13 g/mol and belongs to the dinitrobenzene family. It is characterized by a benzene ring substituted with two nitro groups in positions 1 and 2, and a methyl group in position 4. This compound is classified as highly hazardous with multiple health and environmental risks.

4-methyl-1,2-dinitrobenzene is typically a crystalline solid at room temperature with a yellowish color. As an aromatic nitro compound, it has limited water solubility but dissolves well in organic solvents such as alcohols, ethers, and aromatic hydrocarbons. The compound exhibits characteristic properties of dinitrobenzenes including thermal sensitivity and potential for explosive decomposition under certain conditions. Its melting and boiling points are elevated due to intermolecular interactions.

4-methyl-1,2-dinitrobenzene serves primarily as an intermediate in organic synthesis and chemical manufacturing. It is used in the production of dyes, pigments, and other aromatic compounds through reduction or further nitration reactions. The compound finds applications in pharmaceutical intermediate synthesis and specialty chemical manufacturing. Due to its high toxicity classification, its use is restricted to industrial and research applications with appropriate safety controls and professional handling.

4-methyl-1,2-dinitrobenzene requires strict safety protocols due to its Acute Tox. 3 and carcinogenic classification. Personnel must wear full personal protective equipment including chemical-resistant gloves, safety goggles, and respiratory protection. Work should be conducted in well-ventilated areas or under fume hoods to prevent inhalation exposure. Avoid skin contact and ingestion completely. Use non-sparking tools and eliminate ignition sources. Regular health monitoring is essential for workers exposed to this substance.

4-methyl-1,2-dinitrobenzene must be stored in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Keep containers tightly sealed and protected from light and moisture. Store separately from reducing agents, strong bases, and combustible materials due to potential explosive reactions. Temperature should be controlled to prevent thermal decomposition. Use appropriate secondary containment and ensure storage areas comply with local regulations for toxic and potentially explosive substances.

Immediate action is critical due to the compound's high toxicity. For skin contact, remove contaminated clothing and wash affected area thoroughly with soap and water for at least 15 minutes. If inhaled, move person to fresh air immediately and seek medical attention. For eye contact, flush with clean water for 15 minutes. Never induce vomiting if ingested. Seek immediate medical attention in all cases of exposure, informing medical personnel of the specific substance and its hazardous properties.

4-methyl-1,2-dinitrobenzene must be disposed of as hazardous waste through licensed waste management companies. Never dispose of this substance in regular waste streams, sewers, or the environment due to its toxic and potentially explosive nature. Small quantities may require special treatment such as controlled incineration at high temperatures in specialized facilities. All disposal must comply with local, national, and EU waste regulations. Maintain proper documentation of waste disposal for regulatory compliance.

4-methyl-1,2-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. Transportation requires proper documentation, trained personnel, and compliance with dangerous goods regulations. Use approved packaging materials and follow specific loading, segregation, and emergency response procedures. Only authorized carriers with dangerous goods certification should handle transportation.

4-methyl-1,2-dinitrobenzene is subject to extensive regulation under multiple frameworks including REACH, CLP, and national chemical safety laws. Its classification as Carc. 1B, Muta. 2, and Repr. 2 triggers strict authorization and restriction requirements. While not currently listed as SVHC, its hazard profile requires comprehensive risk assessments, exposure controls, and worker protection measures. Import, manufacture, and use may require specific permits and reporting obligations under EU chemical legislation.

OYSI is a specialized European distributor of 4-methyl-1,2-dinitrobenzene and other technical chemicals, serving industrial and research customers across Europe. As a professional chemical supplier, OYSI ensures compliance with all regulatory requirements and provides proper documentation, safety data sheets, and technical support. Due to the substance's high hazard classification, purchases are restricted to qualified industrial users with appropriate handling facilities and safety protocols in place.