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P Toluic Acid

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  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
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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: 99-94-5 p-Toluic acid
  Hazard Symbols:  Xn:Harmful;
  Risk Codes: R22:;
  Safety Description: S22:;

  Company: Sinoright International Trade Co. Ltd.     [ China ]          
  Contact: Harry Du
  Tel: 0086-411-86596755 39210844 130
  Fax: 0086-411-86596060 39210855
  Email: harry.du@sinoright.net
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