The CAS register number of 1,4-Benzenedicarboxylicacid, 2-hydroxy- is 636-94-2. It also can be called as 2-Hydroxyterephthalic acid and the systematic name about this chemical is 2-hydroxybenzene-1,4-dicarboxylic acid. The molecular formula about this chemical is C₈H₆O₅ and the molecular weight is 182.1302. It belongs to the following product categories which include Carboxylic Acids; Phenyls & Phenyl-Het; Carboxylic Acids; Phenyls & Phenyl-Het and so on.

Physical properties about1,4-Benzenedicarboxylicacid, 2-hydroxy- are: (1)ACD/LogP: 2.76; (2)ACD/BCF (pH 5.5): 1; (3)ACD/BCF (pH 7.4): 1; (4)ACD/KOC (pH 5.5): 1; (5)ACD/KOC (pH 7.4): 1; (6)#H bond acceptors: 5; (7)#H bond donors: 3; (8)#Freely Rotating Bonds: 3; (9)Polar Surface Area: 94.83 Å²; (10)Index of Refraction: 1.666; (11)Molar Refractivity: 41.995 cm³; (12)Molar Volume: 112.922 cm³; (13)Polarizability: 16.648x10^-24cm³; (14)Surface Tension: 88.696 dyne/cm; (15)Density: 1.613 g/cm³; (16)Flash Point: 232.186 °C; (17)Enthalpy of Vaporization: 73.093 kJ/mol; (18)Boiling Point: 436.932 °C at 760 mmHg. 

Preparation: this chemical can be prepared by bromo-terephthalic acid. This reaction will need reagent of sodium hydroxide.

Uses of 1,4-Benzenedicarboxylicacid, 2-hydroxy-: it can be used to produce 2,5-bis-(5-ethyl-benzooxazol-2-yl)-phenol with 4-ethyl-2-amino-phenol. This reaction will need reagent of PPA. The reaction time is 22 hours with reaction temperature of 200 °C. The yield is about 69%.

You can still convert the following datas into molecular structure:
(1)SMILES: c1cc(c(cc1C(=O)O)O)C(=O)O
(2)InChI: InChI=1/C8H6O5/c9-6-3-4(7(10)11)1-2-5(6)8(12)13/h1-3,9H,(H,10,11)(H,12,13)
(3)InChIKey: CDOWNLMZVKJRSC-UHFFFAOYAS
(4)Std. InChI: InChI=1S/C8H6O5/c9-6-3-4(7(10)11)1-2-5(6)8(12)13/h1-3,9H,(H,10,11)(H,12,13)
(5)Std. InChIKey: CDOWNLMZVKJRSC-UHFFFAOYSA-N