p-Hydroxybenzoic acid sodium salt is the sodium salt form of p-hydroxybenzoic acid, an aromatic phenolic compound widely used as a biochemical reagent, analytical standard, and synthetic intermediate. The sodium salt form offers improved water solubility, making it suitable for aqueous biochemical assays and analytical methods.
This compound is structurally related to paraben preservatives, which are commonly used in pharmaceutical and cosmetic formulations. In laboratory research, p-Hydroxybenzoic acid sodium salt is frequently used in microbial metabolism studies, aromatic compound degradation research, analytical chemistry, and organic synthesis.
Due to its stability and defined aromatic structure, the compound is also widely used as a reference material in chromatographic and spectrophotometric analysis.
p-Hydroxybenzoic acid sodium salt contains a phenolic hydroxyl group and a carboxylate group attached to a benzene ring.
In biochemical and chemical systems:
These properties make it useful for studying aromatic biochemical pathways, microbial transformation reactions, and chemical synthesis processes.
p-Hydroxybenzoic acid sodium salt is commonly used in studies related to aromatic compound metabolism and microbial degradation pathways.Typical applications include:
Because of its structural relationship to paraben preservatives, the compound is often used in preservative and formulation research.Applications include:
The compound is frequently used as a reference compound or calibration standard in analytical laboratories.Typical analytical applications include:
p-Hydroxybenzoic acid sodium salt can also be used as a reagent or intermediate in organic synthesis involving aromatic phenolic compounds.Applications include:
| Parameter | Recommended Conditions |
| Detection Method | UV spectrophotometry or HPLC analysis |
| Detection Wavelength | Typically 254–280 nm (aromatic ring absorption) |
| Buffer Systems | Phosphate buffer, Tris buffer, or aqueous systems |
| Temperature | Room temperature (20–25 °C) |
| Assay Format | HPLC analysis, spectrophotometric assays, analytical method development |
p-Hydroxybenzoic acid sodium salt is commonly used as a biochemical reagent, analytical standard, and synthetic intermediate in studies involving aromatic compounds, microbial metabolism, and preservative-related research.
Yes. The sodium salt form significantly improves water solubility, making it suitable for aqueous analytical and biochemical experiments.
Typical analytical techniques include:
