Dimethyl terephthalate
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Description
A colorless, crystalline compound used in the production of Polyethylene terephthalate (polyester) resins, fibers, and films.
Synonyms and Related Terms
DMT; dimethyl p-phthalate; dimethyl 1,4-benzenedicarboxylate; dimethyl ester of terephthalic acid
Risks
- Mild irritant.
- Combustible. Flash point = 153 C
- ThermoFisher: SDS
Physical and Chemical Properties
Insoluble in water, chloroform, ether, acetic acid. Soluble in hot ethanol, ether and alkalis.
| Composition | C6H4(COOCH3)2 |
|---|---|
| CAS | 120-61-6 |
| Melting Point | 140.6 C |
| Density | 1.2 g/ml |
| Molecular Weight | mol. wt. = 194.2 |
| Boiling Point | 288 C |
Resources and Citations
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 9306
- Hoechst Celanese Corporation, Dictionary of Fiber & Textile Technology (older version called Man-made Fiber and Textile Dictionary, 1965), Hoechst Celanese Corporation, Charlotte NC, 1990