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  • 240141
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240141

Sigma-Aldrich

4-Hydroxybenzoic acid

ReagentPlus®, ≥99%

Linear Formula:
HOC6H4CO2H
CAS Number:
Molecular Weight:
138.12
Beilstein:
970950
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

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.)

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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4-Hydroxybenzoic acid ReagentPlus®, ≥99%

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PHL83051

4-Hydroxybenzoic acid

3-Hydroxybenzoic acid ReagentPlus®, 99%

Sigma-Aldrich

H20008

3-Hydroxybenzoic acid

assay

≥99%

assay

-

assay

≥98.0% (HPLC)

assay

99%

form

powder

form

-

form

solid

form

-

mp

213-217 °C (lit.)

mp

213-217 °C (lit.)

mp

213-217 °C (lit.)

mp

200-203 °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.)

solubility

-

solubility

-

solubility

-

Quality Level

100

Quality Level

300

Quality Level

-

Quality Level

200

product line

ReagentPlus®

product line

TraceCERT®

product line

phyproof® Reference Substance

product line

ReagentPlus®

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 Sigma-Aldrich Co. LLC

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Eye Dam. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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