4-Hydroxybenzoic acid
ALDRICH/240141 - ReagentPlus®, ≥99%
Synonym: 4-Carboxyphenol; 4-Hydroxybenzoic acid; Paraben-acid; p-Carboxyphenol; p-Hydroxybenzoic acid; p-Hydroxyl benzoic acid; p-Salicylic acid
CAS Number: 99-96-7
Empirical Formula (Hill Notation): C7H6O3
Molecular Weight: 138.12
EC Number: 202-804-9
MDL Number: MFCD00002547
Linear Formula: HOC6H4CO2H
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 240141-50G
This image depicts SKU: 240141-50G
| assay | ≥99% |
| form | powder |
| functional group | carboxylic acid |
| InChI | 1S/C7H6O3/c8-6-3-1-5(2-4- |
| InChI key | FJKROLUGYXJWQN-UHFFFAOYSA |
| mp | 213-217 °C (lit.) |
| product line | ReagentPlus® |
| Quality Level | 100  |
| SMILES string | OC(=O)c1ccc(O)cc1 |
| solubility | acetone: soluble(lit.) |
| alcohol: freely soluble(lit.) | |
| carbon disulfide: insoluble(lit.) | |
| chloroform: slightly soluble(lit.) | |
| diethyl ether: soluble(lit.) | |
| water: soluble 125 part(lit.) |
| 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. |
| 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. |
| Legal Information: | ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany |
| Packaging: | 50 g in poly bottle |
| Symbol |   GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H318 - H335 |
| Precautionary statements | P280 - P305 + P351 + P338 + P310 |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99% |
| mp | 213-217 °C (lit.) |
| UNSPSC | 12352100 |