Dioctyl phthalate

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Description

A light-color liquid commonly called bis(2-ethylhexyl)phthalate. Dioctyl phthalate is used as a plasticizer in cellulose acetate, cellulose acetate butyrate, polystyrene, vinyl chloride, and vinyl chloride acetate polymers. Polymers may contain DOP in concentrations of 1-40%. The European Commission has banned the use of many phthalates, including DOP, in PVC toys.

Synonyms and Related Terms

DOP; DEHP; di(2-ethylhexyl) phthalate; bis (2-ethylhexyl) phthalate; di-2-ethyl hexyl phthalate

FTIR

AaiDOP.jpg

Chemical structure

Dioctyl phthalate.jpg


Other Properties

Miscible in mineral oil. Insoluble in water.

Composition C24H38O4
CAS 117-81-7
Melting Point -50
Density 0.9861
Molecular Weight mol. wt. = 390.5
Boiling Point 231

Hazards and Safety

Suspected carcinogen. Irritant to eyes, nose, lungs, and skin. Combustible. Flash point = 215 C

International Chemical Safety Card

Sources Checked for Data in Record

  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 1291

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