The Benzeneacetic acid,2-methyl-, with the CAS registry number 644-36-0, is also known as o-Methylphenylacetic acid. Its EINECS number is 211-416-9. This chemical's molecular formula is C₉H₁₀O₂ and formula weight is 150.17. What's more, its IUPAC name is 2-(2-methylphenyl)acetic acid. Its systematic name is o-Tolylacetic acid.

Physical properties of Benzeneacetic acid,2-methyl- are: (1)ACD/LogP: 1.97; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.74; (4)ACD/LogD (pH 7.4): -1.05; (5)ACD/BCF (pH 5.5): 1.1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 16.71; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 26.3 Å²; (13)Index of Refraction: 1.546; (14)Molar Refractivity: 42.19 cm³; (15)Molar Volume: 133.1 cm³; (16)Surface Tension: 44.1 dyne/cm; (17)Density: 1.127 g/cm³; (18)Flash Point: 176.5 °C; (19)Enthalpy of Vaporization: 54.71 kJ/mol; (20)Boiling Point: 279.3 °C at 760 mmHg; (21)Vapour Pressure: 0.00194 mmHg at 25°C.

Preparation: this chemical can be prepared by 1-dibromomethyl-2-methyl-benzene, carbon monoxide at the ambient temperature. This reaction will need reagent aq. 5 M KOH, Co₂(CO)₈, benzyltriethylammonium chloride and solvent benzene with the reaction time of 12 hours. The yield is about 67%.

Uses of Benzeneacetic acid,2-methyl-: it can be used to produce α-(o-tolyl)-p-methoxyacetophenone. It will need reagent polyphosphoric acid. The yield is about 78%.

When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. Besides you should also wear suitable gloves and eye/face protection.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: CC1=CC=CC=C1CC(=O)O
(2)InChI: InChI=1S/C9H10O2/c1-7-4-2-3-5-8(7)6-9(10)11/h2-5H,6H2,1H3,(H,10,11)
(3)InChIKey: RZWGTXHSYZGXKF-UHFFFAOYSA-N