Aniline;hydrochloride

Aniline hydrochloride is the hydrochloride salt of aniline, a primary aromatic amine compound with the molecular formula C6H8ClN and CAS number 142-04-1. This white crystalline solid has a molecular weight of 129.59 g/mol and is classified as a dangerous substance with multiple hazard classifications including carcinogenicity, mutagenicity, and acute toxicity. It is commonly used as an intermediate in chemical synthesis and dye manufacturing.

Aniline hydrochloride is a white to off-white crystalline solid that is highly soluble in water and polar solvents. The compound is stable under normal conditions but may decompose when heated, releasing toxic gases including hydrogen chloride and nitrogen oxides. It has a characteristic amine-like odor and is hygroscopic, meaning it absorbs moisture from air. The salt form makes it more stable and easier to handle than free aniline.

Aniline hydrochloride is primarily used as an intermediate in the synthesis of dyes, pharmaceuticals, and other organic compounds. It serves as a starting material for producing various aniline derivatives, antioxidants, and rubber chemicals. The compound is also utilized in analytical chemistry as a reagent and in the manufacture of photographic chemicals. Its applications are mainly restricted to industrial and professional use due to its hazardous classification.

Aniline hydrochloride requires strict safety measures including wearing appropriate personal protective equipment: 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 and eye contact, and prevent dust generation during handling. Given its carcinogenic and mutagenic properties (Carc. 2, Muta. 2), minimize exposure time and follow occupational exposure limits strictly.

Aniline hydrochloride should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and direct sunlight. Keep away from incompatible materials such as strong oxidizing agents, acids, and bases. Store in original labeled containers with appropriate hazard warnings. Ensure storage areas have adequate ventilation and emergency equipment. Access should be restricted to trained personnel only due to the substance's hazardous nature.

Aniline hydrochloride exposure requires immediate action: for skin contact, remove contaminated clothing and wash thoroughly with soap and water for at least 15 minutes. In case of eye contact, flush immediately with clean water for 15-20 minutes and remove contact lenses if present. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek medical attention immediately. Always consult a physician after any exposure incident.

Aniline hydrochloride disposal must comply with local and national hazardous waste regulations as it is classified as toxic waste. The substance cannot be disposed of in regular waste streams and requires specialized hazardous waste treatment facilities. Contact licensed waste disposal companies for proper collection and treatment. Small quantities should be neutralized and disposed of according to regulatory guidelines. Never discharge into sewers, waterways, or soil.

Aniline hydrochloride is classified under ADR Class 6.1 (toxic substances), Packaging Group III for transportation. It requires appropriate UN specification packaging with proper labeling including GHS pictograms (GHS08, GHS06, GHS05, GHS09) and hazard warnings. Transport documents must include the correct shipping name, UN number, and emergency response information. Only authorized carriers experienced in handling toxic materials should transport this substance, following all ADR regulations.

Aniline hydrochloride is subject to extensive regulatory oversight under REACH, CLP, and various national chemical regulations due to its hazardous properties. It requires safety data sheets, hazard classification labeling, and may be subject to authorization or restriction procedures. The substance falls under occupational health regulations requiring exposure monitoring and health surveillance. Companies handling this chemical must comply with industrial emissions directives and waste management regulations.

Aniline hydrochloride is available through OYSI, a specialized European distributor of technical chemicals with expertise in hazardous substances. OYSI provides proper documentation, safety data sheets, and regulatory compliance support for professional and industrial customers. As a controlled substance requiring specialized handling, it is only available to qualified industrial users with appropriate safety facilities and trained personnel. Contact OYSI for availability and technical specifications.