Product Name
p-Hydroxybenzoic Acid, Reagent
Category
Liquid Crystal (LC) Building Blocks
Description
PelletsLargeCrystals;Solid;Solid;White crystalline powder; faint nutty odour
IUPAC Name
4-hydroxybenzoic acid
Molecular Weight
138.12g/mol
Canonical SMILES
C1=CC(=CC=C1C(=O)O)O
InChI
InChI=1S/C7H6O3/c8-6-3-1-5(2-4-6)7(9)10/h1-4,8H,(H,9,10)
InChI Key
FJKROLUGYXJWQN-UHFFFAOYSA-N
Melting Point
214.5 °C;Mp 213-214 °;214.5 °C
Density
1.46 g/cu cm @ 25 °C
Solubility
0.04 M;5 mg/mL at 25 °C;Solubility (in 100 g of solution): 99% ethanol 38.75 g (67 °C); n-butanol 19.5 g (32.5 °C);Soluble in about 125 parts water, freely in alcohol, slightly in chloroform; soluble in ether, acetone. Practically insoluble in carbon disulfide.;In water, 5000 mg/L at 25 °C;5.0 mg/mL;slightly soluble in water; soluble in organic solvents;freely soluble (in ethanol)
Color/Form
White granular crystalline powder consisting of monoclinic prisms
Covalently-Bonded Unit Count
1
Exact Mass
138.031694g/mol
Log P
1.58 (LogP);1.58;log Kow=1.58;1.58
MeSH Entry Terms
4-hydroxybenzoate;4-hydroxybenzoic acid;4-hydroxybenzoic acid, calcium salt;4-hydroxybenzoic acid, copper(2+)(1:1) salt;4-hydroxybenzoic acid, dilithium salt;4-hydroxybenzoic acid, dipotassium salt;4-hydroxybenzoic acid, disodium salt;4-hydroxybenzoic acid, monopotassium salt;4-hydroxybenzoic acid, monosodium salt;4-hydroxybenzoic acid, monosodium salt, 11C-labeled;p-hydroxybenzoate;para-hydroxybenzoic acid;sodium p-hydroxybenzoate tetrahydrate
Monoisotopic Mass
138.031694g/mol
Other Experimental
Henry's Law constant= 7.2X10-12 atm-cu m/mole at 25 °C /Estimated/;Hydroxyl radical reaction rate constant= 1.3X10-11 cu cm/molecule-sec at 25 °C /Estimated/
Vapor Pressure
1.92e-07 mmHg;1.9X10-7 mm Hg at 25 °C /Extrapolated/