Lub boiling point ntawm bisphenol a yog dab tsi?

Bisphenol A (BPA), tseem hu ua diphenylolpropane lossis (4-hydroxyphenyl)propane, tsim cov siv lead ua prismatic hauv cov ethanol dilute thiab cov siv lead zoo li koob hauv dej. Nws yog combustible thiab muaj ib tug faint phenolic tsw. Nws melting point yog 157.2 ° C, flash point yog 79.4 ° C, thiab boiling point ntawm bisphenol a yog 250.0 ° C (ntawm 1.733 kPa). BPA yog soluble nyob rau hauv ethanol, acetone, acetic acid, ether, benzene, thiab dilute alkalis tab sis yuav luag insoluble nyob rau hauv dej. Nrog ib tug molecular hnyav ntawm 228.29, nws yog ib tug derivative ntawm acetone thiab phenol thiab ua hauj lwm raws li ib tug tseem ceeb raw khoom nyob rau hauv organic tshuaj kev lag luam.

Bisphenol A - cov khoom tseem ceeb hauv kev tsim cov polycarbonate, ua rau cov yas muaj kev pom tseeb thiab kev tiv taus kev cuam tshuam zoo heev. Nyem qhov no kom tau txais tus nqi luv nqi loj rau Bisphenol A.

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Lub sijhawm tshaj tawm: Lub Kaum Hli-16-2025