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4-Hydroxybenzoic acid (4-hydroxybenzoate) is a monohydroxybenzoic acid, a phenolic derivative of benzoic acid. It is a white crystalline solid that is slightly soluble in water and chloroform but more soluble in polar organic solvents such as alcohols. It could inhibit most gram-positive and some gram-negative bacteria, with an IC50 of 160 μg/mL.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 1 g | $31 | In Stock | |
| 5 g | $54 | In Stock | |
| 10 g | $60 | In Stock | |
| 25 g | $73 | In Stock | |
| 1 mL x 10 mM (in DMSO) | $29 | In Stock |
| Description | 4-Hydroxybenzoic acid (4-hydroxybenzoate) is a monohydroxybenzoic acid, a phenolic derivative of benzoic acid. It is a white crystalline solid that is slightly soluble in water and chloroform but more soluble in polar organic solvents such as alcohols. It could inhibit most gram-positive and some gram-negative bacteria, with an IC50 of 160 μg/mL. |
| Targets&IC50 | Antibacterial:160 μg/mL (IC50) |
| Synonyms | p-hydroxybenzoic acid, PHBA, para-Hydroxybenzoic acid, 4-hydroxybenzoate |
| Molecular Weight | 138.12 |
| Formula | C7H6O3 |
| Cas No. | 99-96-7 |
| Smiles | OC(=O)C1=CC=C(O)C=C1 |
| Relative Density. | > 1.34 - < 1.46. Temperature:20 °C. |
| Color | White |
| Appearance | Solid |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | |||||||||||||||||||||||||||||||||||
| Solubility Information | DMSO: 245 mg/mL (1773.82 mM), Sonication is recommended. | |||||||||||||||||||||||||||||||||||
Solution Preparation Table | ||||||||||||||||||||||||||||||||||||
DMSO
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