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Methyl 4-hydroxybenzoate

SIAL/54752 - tested according to Ph. Eur.

Synonym: Methylis parahydroxybenzoas; p-Hydroxybenzoic acid methyl ester; Methyl paraben; NIPAGIN

CAS Number: 99-76-3
Empirical Formula (Hill Notation): C8H8O3
Molecular Weight: 152.15
EC Number: 202-785-7
MDL Number: MFCD00002352
Linear Formula: HOC6H4CO2CH3
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-54752-1KG-F 1 kg
 $247.00
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agency tested according to Ph. Eur.
  USP/NF
application(s) pharmaceutical (small molecule)
assay 99.7%
form solid
InChI 1S/C8H8O3/c1-11-8(10)6-2-4-7(9)5-3-6/h2-5,9H,1H3
InChI key LXCFILQKKLGQFO-UHFFFAOYSA-N
mp 125-128 °C (lit.)
Quality Level 200 
SMILES string COC(=O)c1ccc(O)cc1
Application:

  • Single crystal, Hirshfeld surface and theoretical analysis of methyl 4-hydroxybenzoate, a common cosmetic, drug and food preservative-Experiment versus theory.: This research provides a detailed analysis of the crystal structure of Methyl 4-hydroxybenzoate, offering insights into its stability and effectiveness as a preservative in various applications, including cosmetics and pharmaceuticals (Sharfalddin et al., 2020 ).

  • Photostabilization of papaverine hydrochloride solutions.: This article explores the role of Methyl 4-hydroxybenzoate in enhancing the photostability of papaverine hydrochloride solutions, crucial for maintaining the efficacy of this pharmaceutical under exposure to light (Piotrowska et al., 2010 ).
Disclaimer: The product is not intended for use as a biocide under global biocide regulations, including but not limited to the US EPA′s Federal Insecticide Fungicide and Rodenticide Act, the European Biocidal Products Regulation, Canada’s Pest Management Regulatory Agency, Turkey’s Biocidal Products Regulation, Korea’s Consumer Chemical Products and Biocide Safety Management Act (K-BPR), and others.
Symbol GHS09  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
Purity 99.7%
mp 125-128 °C (lit.)
UNSPSC 51452201

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