P Toluic Acid
-
Post Date:
Oct 11,2018
-
Expiry Date:
Oct 11,2019
-
Detailed Description:
Cas No. :99-94-5
Payment Method: T/T D/A D/P L/C
P Toluic Acid
High Quality
Earliest shipment
Competitive price
Professional Service
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.
p-Toluic acid
IUPAC name[hide]
4-Methylbenzoic acid
Other names[hide]
para-toluic acid
p-toluic acid
para-methylbenzoic acid
p-methylbenzoic acid
toluene-4-carboxylic acid
crithminic acid
Identifiers
CAS number 99-94-5 Y
ChemSpider 7190 Y
EC number 202-803-3
KEGG C01454 Y
ChEMBL CHEMBL21708 Y
Jmol-3D images Image 1
SMILES
[show]
O=C(O)c1ccc(cc1)C
InChI
[show]
InChI=1S/C8H8O2/c1-6-2-4-7(5-3-6)8(9)10/h2-5H,1H3,(H,9,10) Y
Key: LPNBBFKOUUSUDB-UHFFFAOYSA-N Y
InChI=1/C8H8O2/c1-6-2-4-7(5-3-6)8(9)10/h2-5H,1H3,(H,9,10)
Key: LPNBBFKOUUSUDB-UHFFFAOYAB
Properties
Molecular formula C8H8O2
Molar mass 136.15 g mol−1
Appearance Crystalline solid
Melting point
180-181 °C, 453-454 K, 356-358 °F ([1])
Boiling point
275 °C, 548 K, 527 °F ([1])
Solubility in water Sparingly soluble in hot water
Thermochemistry
Std enthalpy of
formation ΔfHo298 -429 kJ/mol
Std enthalpy of
combustion ΔcHo298 3862 kJ
-
CAS Registry Number:
99-94-5
-
Synonyms:
;4-Methylbenzoic acid;p-toluylic acid;crithminic acid;Toluenecarboxylic acid;p-methylbenzoic acid;4-methylbenzoate;Para Toluic Acid (PTA);
-
Molecular Formula:
C8H8O2
-
Molecular Weight:
135.1405
-
Molecular Structure:
-
Hazard Symbols:
Xn:Harmful;
-
Risk Codes:
R22:;
-
Safety Description:
S22:;
Inquiry