Methyl parahydroxybenzoate
SIAL/M1650000 - European Pharmacopoeia (EP) Reference Standard
Synonym: Methyl 4-hydroxybenzoate; p-Hydroxybenzoic acid methyl ester; Methyl paraben; NIPAGIN
CAS Number: 99-76-3
Empirical Formula (Hill Notation): C8H8O3
Molecular Weight: 152.15
MDL Number: MFCD00002352
Linear Formula: HOC6H4CO2CH3
Product Type: Chemical
| API family | parabens |
| application(s) | pharmaceutical (small molecule) |
| format | neat |
| grade | pharmaceutical primary standard |
| InChI | 1S/C8H8O3/c1-11-8(10)6-2- |
| InChI key | LXCFILQKKLGQFO-UHFFFAOYSA |
| manufacturer/tradename | EDQM |
| mp | 125-128 °C (lit.) |
| SMILES string | COC(=O)c1ccc(O)cc1 |
| Application: | This European Pharmacopoeia reference standard is intended for use only as specifically prescribed in the European Pharmacopoeia. Their suitability for any other use is not guaranteed and is the sole responsibility of the user. This standard is not intended for human or animal use. Established for use according to European Pharmacopoeia for the preparation of the below-given solutions:• Reference solutions (a) and (b) in the identification, testing for related substances, and assay of methyl parahydroxybenzoate and sodium methyl parahydroxybenzoate, according to the monographs 0409 and 1262 • Reference solution (c) for the testing of related substances in nifuroxazide using liquid chromatography (2.2.29), according to the monograph 1999 • Reference solution (b) in the identification of sodium ethyl parahydroxybenzoate using thin-layer chromatography (General text 2.2.27), according to the monograph 2134 |
| General description: | This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets, has been developed and issued under the Authority of the Issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia   . |
| Other Notes: | Sales restrictions may apply. |
| Packaging: | The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue . |
| Symbol |  GHS09 |
| Hazard statements | H411 |
| Precautionary statements | P273 - P391 - P501 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | 334.4 °F |
| Flash Point(C) | 168 °C |
| mp | 125-128 °C (lit.) |
| UNSPSC | 41116107 |