Skip to Content
Merck
CN

Key Documents

View All Documentation

240141

4-Hydroxybenzoic acid

ReagentPlus®, ≥99%

Synonym(s):

4-Carboxyphenol, 4-Hydroxybenzoic acid, Paraben-acid, p-Carboxyphenol, p-Hydroxybenzoic acid, p-Hydroxyl benzoic acid, p-Salicylic acid

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Linear Formula:
HOC6H4CO2H
CAS Number:
99-96-7
Molecular Weight:
138.12
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24854406
EC Number:
202-804-9
Beilstein/REAXYS Number:
970950
MDL number:
MFCD00002547
Assay:
≥99%
Form:
powder
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Quality Level

100

product line

ReagentPlus®

assay

≥99%

form

powder

mp

213-217 °C (lit.)

solubility

water: soluble 125 part(lit.), acetone: soluble(lit.), alcohol: freely soluble(lit.), carbon disulfide: insoluble(lit.), chloroform: slightly soluble(lit.), diethyl ether: soluble(lit.)

functional group

carboxylic acid

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 is an aromatic carboxylic acid commonly used as a building block in various organic reactions, such as in the synthesis of liquid crystals and parabens. It is also utilized in esterification reactions for synthesizing aromatic oligomers.

Application

4-Hydroxybenzoic acid can be used as a reactant to synthesize:
  • Monoesters via esterification with sucrose.
  • Thermotropic liquid crystalline polymers.
  • 4-Hydroxybenzaldoxime via one-pot chemoenzymatic method.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Still not finding the right product?

Explore all of our products under 4-Hydroxybenzoic acid

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

hcodes

H318,H335

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

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCBW4816
0000143855
BCCG4136
0000128927
0000118743

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Meng Wang et al.
ACS catalysis, 4(4), 1219-1225 (2014-05-08)
The adenylation (A) domain acts as the first "gate-keeper" to ensure the activation and thioesterification of the correct monomer to nonribosomal peptide synthetases (NRPSs). Our understanding of the specificity-conferring code and our ability to engineer A domains are critical for
Thermotropic liquid crystalline polymers as protective coatings for aerospace
Guerriero G, et al.
Progress in Organic Coatings, 70, 245-251 (2011)
L I Wiebe et al.
Drug metabolism and disposition: the biological fate of chemicals, 6(3), 296-302 (1978-05-01)
Butylated hydroxytoluene (BHT) containing the stable isotope 13C was synthesized from 2-[13C]methylpropan-2-ol. A minor constituent of urine following ingestion of BHT-13C by a human volunteer was identified as 3,5-di-(1-[13C]methyl-1-methylethyl)-4-hydroxybenzoic acid, The major metabolite detected was 13C-labeled 5-carboxy-7-(1-carboxy-1-methylethyl)-3,3-dimethyl-2-hydroxy-2,3-dihydrobenzofuran. Detailed spectral analysis
View All Related Papers

Global Trade Item Number

SKUGTIN
240141-50G04061838787682