Naphthalen-1-ol

Naphthalen-1-ol is an organic chemical compound with the molecular formula C10H8O and CAS number 90-15-3. It belongs to the naphthol family, featuring a naphthalene ring system with a hydroxyl group attached at the first position. With a molecular weight of 144.17 g/mol, this aromatic compound serves as an important intermediate in chemical synthesis and industrial applications.

Naphthalen-1-ol is a crystalline solid at room temperature, typically appearing as white to pale yellow crystals or powder. It exhibits limited water solubility but dissolves readily in organic solvents such as ethanol, acetone, and benzene. The compound has a characteristic phenolic odor and is sensitive to light and air, which can cause discoloration over time.

Naphthalen-1-ol is primarily used as an intermediate in the production of dyes, pigments, and pharmaceutical compounds. It serves in the synthesis of azo dyes, antioxidants, and rubber chemicals. The compound is also utilized in the manufacture of perfumes, insecticides, and as a coupling agent in various chemical reactions within the fine chemicals industry.

Naphthalen-1-ol requires careful handling due to its classification as Acute Tox. 4, Skin Irrit. 2, and Eye Dam. 1. Essential protective equipment includes chemical-resistant gloves, safety goggles, and protective clothing. Work in well-ventilated areas or under fume hoods to prevent inhalation. Avoid skin and eye contact, and ensure proper hygiene practices including thorough handwashing after handling.

Naphthalen-1-ol should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Keep containers away from incompatible materials such as strong oxidizing agents and bases. Store below 25°C and protect from moisture to prevent degradation. Ensure proper labeling and implement appropriate inventory management practices.

In case of skin contact, immediately remove contaminated clothing and wash affected area thoroughly with soap and water for at least 15 minutes. For eye contact, rinse immediately with plenty of clean water for at least 15 minutes and seek medical attention due to its Eye Dam. 1 classification. If inhaled, move to fresh air. Seek immediate medical attention for any exposure and provide safety data sheet to medical personnel.

Naphthalen-1-ol must be disposed of as hazardous waste according to local and national regulations. Contact licensed waste disposal companies for proper treatment and disposal. Do not discharge into sewers, water bodies, or soil. Small quantities may require incineration at authorized facilities with appropriate emission controls. Always consult local environmental authorities for specific disposal requirements.

Naphthalen-1-ol is classified under ADR Class 6.1 (toxic substances), Packing Group III. Transportation requires appropriate UN-specification packaging and proper labeling with GHS05 and GHS07 pictograms. Packages must display the 'Danger' signal word and relevant hazard statements. Ensure compliance with transport documentation requirements and driver training for hazardous materials transport.

Naphthalen-1-ol is regulated under the CLP Regulation with classifications including Acute Tox. 4, Skin Irrit. 2, Eye Dam. 1, and STOT SE 3. It requires safety data sheets and appropriate labeling. While not currently listed as an SVHC under REACH, standard registration requirements apply for manufacturers and importers above one tonne annually.

Naphthalen-1-ol is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides reliable supply chains across Europe with proper documentation including certificates of analysis and safety data sheets. As an established chemical distributor, OYSI ensures compliance with European regulations and offers technical support for industrial applications requiring naphthalen-1-ol.