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Diphenylamine is employed as harvest scald inhibitor for apples indoor drench treatments due to its antioxidant property. Alkyl derivatives of diphenylamine are used as anti-ozonants in the rubber manufacturing. It is used as lubricants and acts as a stabilizer for plastics. In the analytical chemistry, it is used to test the nitrate ion in association with ammonium chloride in sulfuric acid.
An improved procedure for Ullmann-type coupling of aryl iodides with diarylamines to give triarylamines uses K2CO3/ 18-crown-6, in the presence of Cu powder in o-dichlorobenzene: Synthesis, 383 (1987).
Liu, C.; Fu, Q.; Zou, Y.; Yang, C.; Ma, D.; Qin, J. Low turn-on voltage, high-power-efficiency, solution-processed deep-blue organic light-emitting diodes based on starburst oligofluorenes with diphenylamine end-capper to enhance the HOMO level. Chem. Mater. 2014, 26 (10), 3074-3083.
Kang, S. H.; Choi, I. T.; Kang, M. S.; Eom, Y. K.; Ju, M. J.; Hong, J. Y.; Kang, S. H.; Kim, H. K. Novel D-π-A structured porphyrin dyes with diphenylamine derived electron-donating substituents for highly efficient dye-sensitized solar cells. J. Mater. Chem. A 2013, 1 (12), 3977-3982.
Hazard Statements: H301+H311+H331-H373
Toxic if swallowed. Toxic in contact with skin. Toxic if inhaled. May cause damage to organs through prolonged or repeated exposure.
Precautionary Statements: P260-P264b-P270-P271-P280-P301+P310-P302+P352-P304+P340-P311-P312-P314-P330-P361-P363-P501c
Do not breathe dust/fume/gas/mist/vapours/spray. 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: Immediately call a POISON CENTER or doctor/physician. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Call a POISON CENTER or doctor/physician. Call a POISON CENTER or doctor/physician if you feel unwell. Get medical advice/attention if you feel unwell. Rinse mouth. Remove/Take off immediately all contaminated clothing. Wash contaminated clothing before reuse. Dispose of contents/ container to an approved waste disposal plant