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Sigma-Aldrich

4-Hydroxybenzoic acid

for synthesis

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Synonym(s):
4-Hydroxybenzoic acid
Linear Formula:
4-(OH)C6H4COOH
CAS Number:
Molecular Weight:
138.12
MDL number:
UNSPSC Code:
12352106
EC Index Number:
202-804-9
NACRES:
NA.22

Quality Level

Assay

≥98.0% (HPLC)

autoignition temp.

>250 °C

potency

>5000 mg/kg LD50, oral (Rat)

pH

3.3 (20 °C, 1 g/L in H2O)

mp

213-216 °C

solubility

5 g/L

bulk density

600 kg/m3

storage temp.

2-30°C

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

Application

  • Production and Applications of Hydroxy Acids: This study discusses the synthesis of hydroxy acids including 4-hydroxybenzoic acid, focusing on enzymatic routes which are pivotal for drug discovery due to their application in creating more efficient and environmentally friendly production methods (Bhalla et al., 2014).
  • Microbial Synthesis from Renewable Feedstocks: Highlights microbial production methods for 4-hydroxybenzoic acid from renewable feedstocks, crucial for sustainable chemical synthesis in pharmaceuticals and material science (Chen et al., 2021).
  • Laccase-mediated Oligomerization: Explores the enzymatic oligomerization of 4-hydroxybenzoic acid which could lead to new materials with improved stability and functionality, useful in material science and drug delivery systems (Slagman et al., 2016).
  • Antiviral Properties: Discusses the potential of 4-hydroxybenzoic acid derived from the autooxidation of catechinic acid as an antiviral agent against Herpes Simplex Virus, offering potential applications in drug development (Alfei et al., 2022).
  • Soil Microbial Community Impact: Investigates the effect of 4-hydroxybenzoic acid on grape soil microbial communities, emphasizing its potential environmental impact and applications in sustainable agriculture and academic studies (Guo et al., 2015).

Analysis Note

Assay (HPLC, area%): ≥ 98.0 % (a/a)
Melting range (lower value): ≥ 214 °C
Melting range (upper value): ≤ 217 °C
Identity (IR): passes test

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard 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


Certificates of Analysis (COA)

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