Difference between revisions of "Terephthalic acid"
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== Description == | == Description == | ||
| − | A white, crystalline compound. Terephthalic acid is used in the production of polyethylene terephthalate (polyester) [ | + | A white, crystalline compound. Terephthalic acid is used in the production of polyethylene terephthalate (polyester) [[polyester%20resin|resins]], [[polyester%20fiber|fibers]], and [[polyester%20film|films]]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 11:47, 10 May 2016
Description
A white, crystalline compound. Terephthalic acid is used in the production of polyethylene terephthalate (polyester) resins, fibers, and films.
Synonyms and Related Terms
1,4-benzenedicarboxylic acid; p-phthalic acid; Tephthol; TPA
Other Properties
Insoluble in water, chloroform, ether, acetic acid. Soluble in hot ethanol and alkalis.
| Composition | C6H4(COOH)2 |
|---|---|
| CAS | 100-21-0 |
| Melting Point | 140.6 |
| Density | 1.51 |
| Molecular Weight | mol. wt.=166.1 |
| Boiling Point | 288 |
Hazards and Safety
Mild irritant. Combustible. Flash point = 260 C
LINK: International Chemical Safety Card
Sources Checked for Data in Record
- The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 9306
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 605
- Hoechst Celanese Corporation, Dictionary of Fiber & Textile Technology (older version called Man-made Fiber and Textile Dictionary, 1965), Hoechst Celanese Corporation, Charlotte NC, 1990
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993