2 7-Dihydroxy-9-fluorenone CAS 42523-29-5

1. 2,7-Dihydroxy-9-fluorenone is primarily used as a key intermediate in the pharmaceutical industry for synthesizing antitumor agents and sympatholytic inhibitors .
2. 2 7-Dihydroxy-9-fluorenone CAS 42523-29-5 serves as an important functional monomer in materials science for the synthesis of bisphenol products, and as a stabilizer and plasticizer in polymerization processes for functional polymers .
3. 2,7-Dihydroxy-9-fluorenone is utilized in the agrochemical sector for the synthesis of herbicides and pesticides, as well as in the development of novel liquid crystal materials .
4. Researchers employ 2 7-Dihydroxy-9-fluorenone CAS 42523-29-5 as a building block for creating organic compounds with potential applications in electronics, photochromic materials, and high-performance polymers .

1. 2,7-Dihydroxy-9-fluorenone must be stored in a tightly sealed container in a cool, dry, and well-ventilated environment at room temperature .
2. 2 7-Dihydroxy-9-fluorenone CAS 42523-29-5 should be protected from moisture and kept away from incompatible materials such as strong oxidizing agents .
3. Personnel must wear chemical-resistant gloves, safety goggles with side-shields, and protective clothing when handling 2,7-Dihydroxy-9-fluorenone, as it causes skin and eye irritation (H315, H319) .
4. 2,7-Dihydroxy-9-fluorenone is harmful if swallowed or inhaled; avoid formation of dust and ensure adequate ventilation in work areas .

1. Isolate the spill area, ensure adequate ventilation, and wear full personal protective equipment including chemical-resistant gloves, safety goggles, and suitable dust respirator when 2,7-Dihydroxy-9-fluorenone is released .
2. Collect 2 7-Dihydroxy-9-fluorenone CAS 42523-29-5 by sweeping or vacuuming without creating dust using non-sparking tools, and place into suitable closed containers for disposal .
3. Avoid creating dust clouds during cleanup to prevent respiratory exposure; prevent the product from entering drains or water courses .
4. Dispose of collected material according to local, state, and federal environmental regulations through licensed chemical destruction or controlled incineration .

1. 2,7-Dihydroxy-9-fluorenone is a combustible solid with a flash point of 236.7°C and boiling point of 444.5°C; it may decompose under fire conditions .
2. Use water spray, dry chemical powder, carbon dioxide, or alcohol-resistant foam to extinguish fires involving the product; do NOT use a direct water jet as 2 7-Dihydroxy-9-fluorenone CAS 42523-29-5 may scatter burning material .
3. Firefighters should wear self-contained breathing apparatus in pressure-demand, MSHA/NIOSH approved, and full protective gear when handling burning 2,7-Dihydroxy-9-fluorenone due to hazardous decomposition gases generated by thermal decomposition .
4. During combustion, may emit irritant and toxic fumes; contain fire runoff to prevent environmental contamination .