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
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