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It is used in the synthesis of dithienylcyclopentene optical molecular switches. It is also used as an active pharmaceutical intermediate.
Linda N. Lucas, et al. Syntheses of Dithienylcyclopentene Optical Molecular Switches.Eur. J. Org. Chem.20032003(1), 155-166.
Yuri Goldberg and Howard Alper. Biphasic electrophilic halogenation of activated aromatics and heteroaromatics with N-halosuccinimides catalyzed by perchloric acid.J. Org. Chem.,199358(11), 3072-3075.
Hazard Statements: H226-H302+H312-H331
Flammable liquid and vapour. Harmful if swallowed. Harmful in contact with skin. Toxic if inhaled.
Precautionary Statements: P210-P233-P235-P240-P241-P242-P243-P264b-P270-P271-P280-P301+P312-P303+P361+P353-P304+P340-P311-P312-P330-P363-P370+P378q-P501c
Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep container tightly closed. Keep cool. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Call a POISON CENTER or doctor/physician. Rinse mouth. Wash contaminated clothing before reuse. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant