All Photos(4)
Synonym(s):
p-HBA, p-Hydroxybenzoic acid
Linear Formula:
HOC6H4CO2H
CAS Number:
Molecular Weight:
138.12
Beilstein:
970950
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
Recommended Products
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
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Related Categories
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
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Dam. 1 - STOT SE 3
Target Organs
Respiratory system
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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2?Hydroxy?3, 5?diiodobenzoic Acid.
Woollett G H and Johnson W W
Organic Syntheses, 14, 52-52 (1943)
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)
Formation of novel polymeric films derived from 4-hydroxybenzoic acid
Ferreira L, et al.
Materials Chemistry and Physics, 129, 46-52 (2011)
Behrooz Darbani
International journal of molecular sciences, 22(11) (2021-06-03)
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L C Goudas et al.
Anesthesia and analgesia, 89(5), 1209-1215 (1999-11-30)
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