H20059
4-Hydroxybenzoic acid
ReagentPlus®, 99%
Synonym(s):
p-HBA, p-Hydroxybenzoic acid
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About This Item
Linear Formula:
HOC6H4CO2H
CAS Number:
Molecular Weight:
138.12
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
202-804-9
Beilstein/REAXYS Number:
970950
MDL number:
Assay:
99%
Quality Level
product line
ReagentPlus®
assay
99%
mp
213-217 °C (lit.)
solubility
alcohol: freely soluble
SMILES string
OC(=O)c1ccc(O)cc1
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
General description
4-Hydroxybenzoic acid (PHBA) is a phenolic derivative of benzoic acid, used as a building block in polymer synthesis.
Application
4-Hydroxybenzoic acid can be used as a starting material to synthesize organic intermediates such as 4-acetoxybenzoic acid and 4-hydroxy-3,5-diiodobenzoic acid.
Legal Information
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
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signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Formation of novel polymeric films derived from 4-hydroxybenzoic acid
Ferreira L, et al.
Materials Chemistry and Physics, 129, 46-52 (2011)
Esterification of Carboxylic Acids with Trialkyloxonium Salts: Ethyl and Methyl 4?Acetoxybenzoates: Benzoic acid, 4?(acetyloxy)?, ethyl and methyl esters.
Douglas J, et al.
Organic Syntheses, 56, 59-59 (1977)
2?Hydroxy?3, 5?diiodobenzoic Acid.
Woollett G H and Johnson W W
Organic Syntheses, 14, 52-52 (1943)