P-Toluic Acid
Request a quoteCatalog Number | ACM99945 |
CAS | 99-94-5 |
Structure | ![]() |
Description | p-Toluic acid (4-methylbenzoic acid) is a substituted benzoic acid with the formula CH3C6H4COOH. It is an intermediate in some industrial processes for the oxidation of p-xylene to terephthalic acid which is used in the manufacture of polyethylene terephthalate. It is a white crystalline solid that is practically insoluble in water, but soluble in acetone. |
IUPAC Name | 4-methylbenzoic acid |
Synonyms | 4-Methylbenzoic Acid |
Molecular Weight | 136.15 |
Molecular Formula | C8H8O2 |
Canonical SMILES | CC1=CC=C(C=C1)C(=O)O |
Inchi | InChI=1S/C8H8O2/c1-6-2-4-7(5-3-6)8(9)10/h2-5H,1H3,(H,9,10) |
InChIKey | LPNBBFKOUUSUDB-UHFFFAOYSA-N |
Boiling Point | 525 to 527 °F at 760 mm Hg (NTP, 1992) |
Melting Point | 179-182ºC |
Flash Point | 124.7ºC |
Purity | 99% |
Density | 1.06 |
Solubility | less than 1 mg/mL at 66° F (NTP, 1992);0.00 M;0.34 mg/mL at 25 °C |
Appearance | Colourless crystals or white crystalline powder |
Refractive Index | 1.5086 (20ºC) |
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