L. Lezama , T. Rojo a , E.J. Baran b , and M . H . Torre c a Depar tamento de Quimica Inorgänica, Facultad de Ciencias, Universidad del Pais Vasco, E-48080 Bilbao, Spain b Quimica Inorgänica ( C E Q U I N O R ) , Facultad de Ciencias Exactas, Universidad Nacional de La Plata, C. Correo 962, 1900-La Plata, Argentina c Quimica Inorgänica, Facultad de Quimica, Universidad de la Repüblica, Montevid...

Analysis of the natural abundance C content of dibutyl phthalate (DBP) from two edible brown algae, Undaria pinnatifida and Laminaria japonica, and a green alga, Ulva sp., revealed that the DBP was naturally produced. The natural abundance C content of di-(2-ethylhexyl) phthalate (DEHP) obtained from the same algae was about 50-80% of the standard sample and the C content of the petrochemical (...

In the title compound, 2C(3)H(5)N(2) (+)·C(8)H(4)O(4) (2-)·H(2)O, the cations, anion and water mol-ecule are connected by N-H⋯O and O-H⋯O hydrogen bonds, forming a three-dimensional network.