phenylenediaminen.
/ˌfɛnᵻliːnˈdʌɪəmiːn/, /ˌfɛnᵻliːnˌdʌɪˈeɪmiːn/, /ˌfɛnᵻliːndʌɪˈamiːn/, U.S. /ˈˌfɛnəˌlinˈdaɪəˌmin/, /ˈˌfɛnəˌlinˌdaɪˈeɪˌmin/, /ˈˌfɛnəˌlinˌdaɪˈæˌmin/ Chemistry.
Each of three isomeric, toxic, crystalline compounds having the formula C6H4(NH2)2, or any of their alkylated derivatives, which are widely used as intermediates in the dye industry, as photographic developers, additives in rubber, etc.
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the world > matter > chemistry > organic chemistry > organic chemicals used in industry > [noun] > others
phenylenediamine1860
resorcin1866
furfuryl alcohol1873
chinosol1896
microcrystalline wax1943
piperonyl butoxide1945
1860 A. W. Hofmann in Proc. Royal Soc. 10 495 (caption) Phenylenediamine.
1862 A. W. Hofmann in Proc. Royal Soc. 11 519 The idea very naturally suggested itself, to look to dinitrobenzol as the source from which phenylene-diamine might reasonably be expected to arise.
1918 Jrnl. Chem. Soc. 114 ii. 69 The authors have investigated the..binary systems formed between phenol..and the three phenylenediamines.
1972 Materials & Technol. V. xiv. 522 Only the..p-phenylene diamines and dihydroquinolines give good ozone protection [to rubber].
1990 EMBO Jrnl. 9 3912/1 Coverslips were mounted with glycerol containing 0.1% p-phenylenediamine.
2001 Guardian 17 May ii. 17/5 In most cases, the component in the hair dye that prompts the reaction is para-phenylenediamine, known to be a potent cause of allergic rashes in susceptible people.
This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).
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n.1860