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.

FTIR

AaiDOP.jpg

Chemical structure

Dioctyl phthalate.jpg

Synonyms and Related Terms

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

Risks

  • Suspected carcinogen.
  • Irritant to eyes, nose, lungs, and skin.
  • Combustible. Flash point = 215 C
  • Millipore Sigma: SDS

Physical and Chemical Properties

Miscible in mineral oil. Insoluble in water.

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

Resources and Citations

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

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