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M1650000

Methyl parahydroxybenzoate

European Pharmacopoeia (EP) Reference Standard

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

grade

pharmaceutical primary standard

API family

parabens

manufacturer/tradename

EDQM

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

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1 of 4

This Item
14320051.06757PHR1012
Methyl parahydroxybenzoate European Pharmacopoeia (EP) Reference Standard

M1650000

Methyl parahydroxybenzoate

Methylparaben United States Pharmacopeia (USP) Reference Standard

1432005

Methylparaben

Methyl 4-hydroxybenzoate EMPROVE® ESSENTIAL, Ph. Eur., BP, JP, NF

1.06757

Methyl 4-hydroxybenzoate

Methylparaben Pharmaceutical Secondary Standard; Certified Reference Material

PHR1012

Methylparaben

manufacturer/tradename

EDQM

manufacturer/tradename

USP

manufacturer/tradename

-

manufacturer/tradename

-

format

neat

format

neat

format

-

format

neat

application(s)

pharmaceutical (small molecule)

application(s)

pharmaceutical (small molecule)

application(s)

liquid formulation
ophthalmics
pharmaceutical
semi-solid formulation
solid formulation

application(s)

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care
pharmaceutical (small molecule)

API family

parabens

API family

parabens

API family

-

API family

parabens

mp

125-128 °C (lit.)

mp

125-128 °C (lit.)

mp

125 °C

mp

125-128 °C (lit.)

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.

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

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

Other Notes

Sales restrictions may apply.

Pictograms

Environment

Hazard Statements

Precautionary Statements

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


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Sodium Methyl Parahydroxybenzoate
European Pharmacopoeia Commission and European Directorate for the Quality of Medicines & Healthcare
European pharmacopoeia, 3830-3831 (2017)
Sodium Ethyl Parahydroxybenzoate
European Pharmacopoeia Commission and European Directorate for the Quality of Medicines & Healthcare
European pharmacopoeia, 3816-3817 (2017)
Nifuroxazide
European Pharmacopoeia Commission and European Directorate for the Quality of Medicines & Healthcare
European pharmacopoeia, 3363-3364 (2017)
Methyl parahydroxybenzoate
European Pharmacopoeia Commission and European Directorate for the Quality of Medicines & Healthcare
European pharmacopoeia, 6180-6181 (2022)
Ismail I Hewala et al.
Talanta, 88, 623-630 (2012-01-24)
Simple methods for HPTLC peak purity assessment and identification of the HPTLC peaks were presented. The spectrodensitograms - selected at different time intervals across the elution time of the HPTLC peak - were extracted and digital algorithms for manipulating the

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