The CAS register number of 5-Hydroxy-2-methylbenzoic acid is 578-22-3. It also can be called as Benzoic acid,5-hydroxy-2-methyl- and the IUPAC name about this chemical is 5-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 5-Hydroxy-2-methylbenzoic acid are: (1)ACD/LogP: 1.96; (2)ACD/LogD (pH 5.5): 0.15; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 4.26; (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: 62.02 kJ/mol; (18)Boiling Point: 343.8 °C at 760 mmHg; (19)Vapour Pressure: 2.63E-05 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to respiratory system and skin. It is harmful if swallowed. It also has risk of serious damage to the eyes. 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)c1cc(O)ccc1C
(2)InChI: InChI=1/C8H8O3/c1-5-2-3-6(9)4-7(5)8(10)11/h2-4,9H,1H3,(H,10,11)
(3)InChIKey: ZIOYQUNKXJQXQY-UHFFFAOYAK
(4)Std. InChI: InChI=1S/C8H8O3/c1-5-2-3-6(9)4-7(5)8(10)11/h2-4,9H,1H3,(H,10,11
(5)Std. InChIKey: ZIOYQUNKXJQXQY-UHFFFAOYSA-N