2-methylbenzene-1,3-diamine

2-methylbenzene-1,3-diamine is an aromatic diamine compound with the molecular formula C7H10N2 and CAS number 823-40-5. This organic chemical features a benzene ring substituted with a methyl group and two amino groups in specific positions. With a molecular weight of 122.17 g/mol, it belongs to the family of substituted anilines and serves as an important intermediate in various chemical synthesis processes.

2-methylbenzene-1,3-diamine is typically a solid crystalline compound at room temperature with characteristic amine properties. As an aromatic diamine, it exhibits basic behavior due to its two amino groups and shows solubility in polar solvents. The compound has a molecular weight of 122.17 g/mol and contains both aromatic and aliphatic functionalities, making it reactive toward electrophiles and suitable for various chemical transformations.

2-methylbenzene-1,3-diamine serves primarily as an intermediate in the synthesis of dyes, pigments, and pharmaceutical compounds. Its diamine structure makes it valuable for producing polyurethanes, epoxy curing agents, and various polymer materials. The compound is also utilized in the manufacture of hair dyes and colorants for industrial applications, where its aromatic structure provides stability and color-forming properties.

Safe handling of 2-methylbenzene-1,3-diamine requires appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing due to its Acute Tox. 4 and Skin Sens. 1 classifications. Work in well-ventilated areas or use fume extraction systems to minimize inhalation exposure. Avoid direct skin contact and ensure proper hygiene practices. The compound's mutagenic properties (Muta. 2) necessitate strict adherence to safety protocols.

2-methylbenzene-1,3-diamine should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Keep containers protected from light and moisture to prevent degradation. Store separately from strong oxidizers, acids, and other reactive chemicals. Maintain proper labeling with GHS pictograms (GHS07, GHS08, GHS09) and ensure storage areas comply with local chemical storage regulations.

In case of skin contact with 2-methylbenzene-1,3-diamine, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. For eye contact, flush with clean water for 15-20 minutes and seek medical attention. If inhaled, move to fresh air immediately. Given its acute toxicity and sensitizing properties, seek medical advice promptly after any significant exposure incident.

2-methylbenzene-1,3-diamine must be disposed of as hazardous chemical waste through authorized waste management companies specializing in toxic and mutagenic substances. Never discharge into drains, soil, or waterways due to its Aquatic Chronic 2 classification. Follow local and EU waste regulations, including proper waste classification codes. Ensure proper documentation and chain of custody for hazardous waste disposal to comply with environmental protection requirements.

2-methylbenzene-1,3-diamine is classified under ADR Class 9 (Miscellaneous dangerous substances), Packing Group III for transportation. Use appropriate UN-specification packaging and ensure proper labeling with hazard labels and shipping documentation. Transport vehicles must comply with ADR requirements for Class 9 materials. Drivers need appropriate ADR training certification, and transport documents must include emergency response information and proper shipping names.

2-methylbenzene-1,3-diamine is subject to REACH regulation requiring registration for manufacture or import above one tonne per year. Under CLP regulation, it must be classified and labeled according to its hazard profile (Muta. 2, Acute Tox. 4, Skin Sens. 1, Aquatic Chronic 2). While not currently listed as SVHC, its mutagenic properties require compliance with occupational exposure limits and worker protection measures under EU chemical safety legislation.

2-methylbenzene-1,3-diamine is available through OYSI, a specialized European distributor of technical chemicals serving industrial customers across Europe. OYSI provides this compound with proper regulatory documentation, safety data sheets, and technical support. As a professional chemical distributor, OYSI ensures compliance with REACH registration requirements and provides reliable supply chains for customers requiring this aromatic diamine intermediate for their manufacturing processes.