The CAS register number of 4-Hydroxy-o-toluic acid is 578-39-2. It also can be called as Benzoic acid,4-hydroxy-2-methyl- and the IUPAC name about this chemical is 4-hydroxy-2-methylbenzoic acid. The molecular formula about this chemical is C₈H₈O₃ and the molecular weight is 152.14732. It belongs to the following product categories which include C8; Carbonyl Compounds; Carboxylic Acids and so on.

Physical properties about 4-Hydroxy-o-toluic acid are: (1)ACD/LogP: 1.88; (2)ACD/LogD (pH 5.5): 0.73; (3)ACD/LogD (pH 7.4): -0.91; (4)ACD/BCF (pH 5.5): 1.11; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 17.68; (7)ACD/KOC (pH 7.4): 1; (8)#H bond acceptors: 3; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 2; (11)Polar Surface Area: 35.53Ų; (12)Index of Refraction: 1.599; (13)Molar Refractivity: 39.88 cm³; (14)Molar Volume: 116.6 cm³; (15)Polarizability: 15.81x10^-24cm³; (16)Surface Tension: 58 dyne/cm; (17)Enthalpy of Vaporization: 61.48 kJ/mol; (18)Boiling Point: 339.1 °C at 760 mmHg; (19)Vapour Pressure: 3.65E-05 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
This chemical is harmful if swallowed, it has risk of serious damage to the eyes. When you are using it, wear eye / face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)c1c(cc(O)cc1)C
(2)InChI: InChI=1/C8H8O3/c1-5-4-6(9)2-3-7(5)8(10)11/h2-4,9H,1H3,(H,10,11)
(3)InChIKey: BBMFSGOFUHEVNP-UHFFFAOYAT
(4)Std. InChI: InChI=1S/C8H8O3/c1-5-4-6(9)2-3-7(5)8(10)11/h2-4,9H,1H3,(H,10,11)
(5)Std. InChIKey: BBMFSGOFUHEVNP-UHFFFAOYSA-N