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p-TERT BUTYL BENZOIC ACID | ||
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PRODUCT IDENTIFICATION | ||
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CAS NO. |
98-73-7 |
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EINECS NO. |
202-696-3 | |
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FORMULA |
(CH3)3CC6H4COOH | |
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MOL WT. |
178.23 | |
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H.S. CODE |
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SYNONYMS |
PTBBA; p-Tert-butylbenzoic acid; Acide tert-butyl-4 benzoique; | |
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4-(1,1-dimethylethyl)-Benzoic acid; | ||
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PHYSICAL AND CHEMICAL PROPERTIES | ||
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PHYSICAL STATE |
White flake | |
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MELTING POINT |
165 - 167 C | |
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SOLUBILITY IN WATER |
Insoluble | |
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FLASH POINT |
80 C | |
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STABILITY |
Stable under ordinary conditions | |
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APPLICATIONS | ||
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4-Tert-butylbenzoic acid is addded as a stabilizer or modifier for alkyd resin and as a corrosion inhibitor in cooling fluids. Because of the sterically hindered group, tert-butyl aromatic compounds have an antioxidizing action and also act as UV stabilizers. It is used as an intermediate of organic target substances and also used as a fixative of fragrance. | ||
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SALES SPECIFICATION | ||
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APPEARANCE |
White flake | |
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ASSAY |
99.0% min | |
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ASH |
0.02% max | |
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Fe |
3 ppm max | |
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LOSS ON DRYING |
0.5% max | |
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MELTING POINT |
164 - 168 C | |
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TRANSPORTATION | ||
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PACKING |
25kgs in bag | |
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HAZARD CLASS |
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UN NO. |
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