Difference between revisions of "Terephthalic acid"
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[[[SliderGallery rightalign|terephthalic acid.jpg~Chemical structure]]] | [[[SliderGallery rightalign|terephthalic acid.jpg~Chemical structure]]] | ||
| − | == | + | == Risks == |
| + | |||
| + | * Mild irritant. | ||
| + | * Combustible. Flash point = 260 C | ||
| + | * ThermoFisher: [https://www.fishersci.com/store/msds?partNumber=AC180722500&productDescription=TEREPHTHALIC+ACID%2C+98%25+250GR&vendorId=VN00032119&countryCode=US&language=en SDS] | ||
| + | == Physical and Chemical Properties == | ||
Insoluble in water, chloroform, ether, acetic acid. Soluble in hot ethanol and alkalis. | Insoluble in water, chloroform, ether, acetic acid. Soluble in hot ethanol and alkalis. | ||
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! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 140.6 | + | | 140.6 C |
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 1.51 | + | | 1.51 g/ml |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
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|- | |- | ||
! scope="row"| Boiling Point | ! scope="row"| Boiling Point | ||
| − | | 288 | + | | 288 C |
|} | |} | ||
| − | == | + | ==Resources and Citations== |
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| − | |||
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* ''The Merck Index'', Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 9306 | * ''The Merck Index'', Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 9306 | ||
Latest revision as of 09:49, 8 June 2022
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
Risks
- Mild irritant.
- Combustible. Flash point = 260 C
- ThermoFisher: SDS
Physical and Chemical 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 C |
| Density | 1.51 g/ml |
| Molecular Weight | mol. wt.=166.1 |
| Boiling Point | 288 C |
Resources and Citations
- 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