1 4-Dicyanobenzene CAS 623-26-7

1. 1,4-Dicyanobenzene serves as a key intermediate in the synthesis of various chemicals, including pharmaceuticals, dyes, and polymers .
2. The compound acts as a building block for preparing nitrogen-rich networks used as electrode materials in high-performance supercapacitors .
3. 1,4-Dicyanobenzene CAS 623-26-7 is used as a photosensitizer in [2+2] cycloadditions and as an internal standard in solid-state infrared spectroscopy methods .

1. Store 1,4-Dicyanobenzene in a tightly sealed container in a cool, dry, and well-ventilated place, away from oxidizing agents .
2. Keep 1,4-Dicyanobenzene CAS 623-26-7 in a cool and dark place, ideally below 15°C, and ensure the container is closed when not in use to prevent dust accumulation .
3. Handle 1,4-Dicyanobenzene using appropriate personal protective equipment including nitrile gloves, safety goggles, and in a fume hood to avoid dust generation .

1. Isolate the spill area, avoid dust formation, and sweep up solid 1,4-Dicyanobenzene into sealed, labeled containers for disposal .
2. Prevent spilled 1,4-Dicyanobenzene CAS 623-26-7 from entering drains or waterways, and collect residues using methods that do not create dust .
3. Personnel cleaning 1,4-Dicyanobenzene spills must wear suitable protective equipment including dust masks and dispose of waste according to environmental regulations .

1. 1,4-Dicyanobenzene causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335) .
2. 1,4-Dicyanobenzene CAS 623-26-7 has an oral LD50 of approximately 2000 mg/kg in rats and is not mutagenic in bacterial reverse mutation assays .
3. Combustion of 1,4-Dicyanobenzene produces toxic fumes including carbon oxides, nitrogen oxides, and hydrogen cyanide, and the compound has an NFPA health rating of 2 .