. Author manuscript; available in PMC: 2020 Mar 19.

Published in final edited form as: Environ Sci Technol. 2019 Mar 11;53(6):3258–3267. doi: 10.1021/acs.est.8b05729

Table 2:

Structures of phthalate and phthalate replacement metabolites and their respective parent compounds.

	Parent	Metabolite
Phthalates	Di-ethyl phthalate (DEP)	Mono-ethyl phthalate (MEP)
	Di-isobutyl phthalate (DiBP)	Mono-isobutyl phthalate (MiBP)
	Di-isobutyl phthalate (DiBP)	Mono-hydroxyisobutyl phthalate (MHiBP)
	Di-n-butyl phthalate (DBP)	Mono-n-butyl phthalate (MBP)
	Di-n-butyl phthalate (DBP)	Mono(3-hydroxybutyl) phthalate (MHBP)
	Benzylbutyl phthalate (BzBP)	Monobenzyl phthalate (MBzP)
	Di(2-ethylhexyl) phthalate (DEHP or DOP)	Mono(2-ethylhexyl) phthalate (MEHP)
		Mono(2-ethyl-5-carboxypentyl) phthalate (MECPP)
		Mono(2-ethyl-5-hydroxyhexyl) phthalate (MEHHP)
		Mono(2-ethyl-5-oxohexyl) phthalate (MEOHP)
	Di(2-ethylhexyl) terephthalate (DEHTP)	Mono(2-ethyl-5-carboxypentyl) terephthalate (MECPTP)
	Di(2-ethylhexyl) terephthalate (DEHTP)	Mono-2-ethyl-5-hydroxyhexyl terephthalate (MEHHTP)
	Di-n-octyl phthalate (DNOP) and others	Mono (3-carboxypropyl) phthalate (MCPP)
	Di-isononyl phthalate (DNP or DiNP)	Mono-isononyl phthalate (MNP)
		monooxoisononyl phthalate (MONP)
		Monocarboxyoctyl phthalate (MCOP)
	Di-isodecyl phthalate (DDP or DiDP)	Monocarboxy-isononyl phthalate (MCNP)
Phthalate Alternatives	1,2-Cyclohexane dicarboxylic acid, diisononyl ester (DINCH)	Monohydroxy-isononyl ester, 1,2-cyclohexane dicarboxylic acid (MHiNCH)
Phthalate Alternatives	1,2-Cyclohexane dicarboxylic acid, diisononyl ester (DINCH)	Monocarboxy-isooctyl ester, 1,2-cyclohexane-dicarboxylic acid (MCOCH)