1432005

Methylparaben

United States Pharmacopeia (USP) Reference Standard

• Synonym(s): Methyl 4-hydroxybenzoate, p-Hydroxybenzoic acid methyl ester, Methyl paraben, NIPAGIN
• Linear Formula: HOC₆H₄CO₂CH₃
• CAS Number: 99-76-3
• Molecular Weight: 152.15
• Beilstein: 509801
• MDL number: MFCD00002352
• UNSPSC Code: 41116107
• PubChem Substance ID: 329750452
• NACRES: NA.24

Properties

• grade: pharmaceutical primary standard
• API family: parabens
• manufacturer/tradename: USP
• mp: 125-128 °C (lit.)
• application(s): pharmaceutical (small molecule)
• format: neat
• SMILES string: COC(=O)c1ccc(O)cc1
• InChI: 1S/C8H8O3/c1-11-8(10)6-2-4-7(9)5-3-6/h2-5,9H,1H3
• InChI key: LXCFILQKKLGQFO-UHFFFAOYSA-N

Description

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 have 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.

Application

Methylparaben USP reference standard for specified quality tests and assay use only.

Also used to prepare the standard, standard stock, system suitability, and system suitability stock solutions for assay, identification, and performance test according to the given below monographs of United States Pharmacopeia (USP):

• Methylparaben
• Methylparaben Sodium
• Dexamethasone Oral Solution
• Ethylparaben Sodium
• Benzaldehyde

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Safety Information

• Pictograms: GHS09
• Hazard Statements: H411
• Precautionary Statements: P273 - P391 - P501
• Hazard Classifications: Aquatic Chronic 2
• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): 334.4 °F
• Flash Point(C): 168 °C