3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione

3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione is an organic chemical compound with the molecular formula C8H8O3 and CAS number 26266-63-7. This substance belongs to the benzofuran derivatives family and has a molecular weight of 152.15 g/mol. It is classified as a hazardous chemical requiring careful handling due to its potential to cause serious eye damage, respiratory sensitization, and skin sensitization effects.

3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione is a solid organic compound at room temperature with the molecular formula C8H8O3. The substance has a molar mass of 152.15 g/mol and features a bicyclic structure containing both furan and benzene ring systems. Its exact physical properties such as melting point, boiling point, and solubility characteristics should be verified through technical datasheets for specific applications.

3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione is primarily used as an intermediate in organic synthesis and chemical manufacturing processes. The compound serves as a building block for the production of pharmaceuticals, specialty chemicals, and advanced materials. Its unique bicyclic structure makes it valuable for creating complex molecular architectures in research and development applications within the chemical industry.

3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione requires strict safety measures including wearing appropriate PPE such as safety goggles, chemical-resistant gloves, and respiratory protection. Work should be conducted in well-ventilated areas or under fume hoods to prevent inhalation exposure. Avoid direct skin and eye contact, and ensure proper training on handling procedures. Emergency washing facilities should be readily accessible when working with this substance.

3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione should be stored in tightly sealed containers in a cool, dry, and well-ventilated area away from direct sunlight and heat sources. Keep the substance away from incompatible materials and ensure proper labeling according to GHS requirements. Storage areas should have appropriate spill containment measures and be accessible only to trained personnel. Regular inspection of containers for integrity is recommended.

Immediate action is required for contact with 3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione due to its eye-damaging and skin-sensitizing properties. For eye contact, rinse immediately with plenty of water for at least 15 minutes and seek medical attention. For skin contact, wash thoroughly with soap and water. If inhaled, move to fresh air immediately. Remove contaminated clothing and seek medical advice if symptoms develop.

3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione must be disposed of according to local and national waste regulations as hazardous chemical waste. Do not discharge into drains, waterways, or the environment due to its chronic aquatic toxicity classification. Contact licensed waste disposal companies for proper treatment and disposal. Ensure waste containers are properly labeled and segregated from other waste streams following regulatory requirements.

3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione is classified under ADR Class 8 (corrosive substances) Packing Group III for transportation. The substance requires appropriate UN-specification packaging and proper hazard labeling during transport. Shipping documents must include the correct technical name, UN number, and hazard class. Ensure compliance with international transport regulations and use qualified carriers experienced in handling corrosive chemical substances.

3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione is not currently listed as a Substance of Very High Concern (SVHC) under REACH regulation. However, it must comply with CLP classification requirements as Eye Dam. 1, Resp. Sens. 1, Skin Sens. 1, and Aquatic Chronic 3. Users must ensure proper hazard communication, safety data sheet availability, and compliance with occupational exposure limits where applicable.

3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione is available through OYSI, a European distributor of specialty chemicals and technical products. OYSI provides reliable supply chains across Europe with proper regulatory compliance and technical support. Contact OYSI directly for availability, specifications, packaging options, and delivery to your location. Ensure your application requirements match the product specifications and regulatory status before ordering.