380709
4-Hydroxybenzoesäure-benzylester
99%
Synonym(e):
Benzyl-4-hydroxybenzoat, Benzylparaben
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Alle Fotos(2)
About This Item
Lineare Formel:
HOC6H4CO2CH2C6H5
CAS-Nummer:
Molekulargewicht:
228.24
Beilstein:
2115995
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352100
PubChem Substanz-ID:
NACRES:
NA.22
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Qualitätsniveau
Assay
99%
Form
powder
mp (Schmelzpunkt)
109-112 °C (lit.)
Löslichkeit
ethanol: soluble 25 mg/mL, clear, colorless
Funktionelle Gruppe
ester
phenyl
SMILES String
Oc1ccc(cc1)C(=O)OCc2ccccc2
InChI
1S/C14H12O3/c15-13-8-6-12(7-9-13)14(16)17-10-11-4-2-1-3-5-11/h1-9,15H,10H2
InChIKey
MOZDKDIOPSPTBH-UHFFFAOYSA-N
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Allgemeine Beschreibung
Benzyl 4-hydroxybenzoate (Paraben, Benzyl Paraben) is an ester of para-hydroxy benzoic acid. It has been added to various cosmetics and personal care products as a preservative. Its quantification in cosmetics has been reported by HPLC methods. Microwave assisted synthesis of benzyl 4-hydroxybenzoate by reaction between (4-hydroxybenzoic) acid and K2CO3 in presence of phase transfer catalyst has been reported. It is an endocrine disrupting chemical (EDC). It is a promising candidate for use in pharmaceutical and personal care products. Its visible-light assisted photosensitized degradation in homogeneous aqueous solution of 4,4′,4′′,4′′′-(porphine-5,10,15,20-tetrayl)tetrakis(benzenesulphonic acid) has been investigated.
Anwendung
Benzyl 4-hydroxybenzoate may be used as internal standard for the simultaneous analysis of non-steroidal anti-inflammatory drugs in human plasma and urine using microextraction by packed sorbent and HPLC method. It may be employed as internal standard for the HPLC determination of rutin, kaempferol, genistein, formononetin and biochanin A in Ononis spinosu roots.
Haftungsausschluss
The product is not intended for use as a biocide under global biocide regulations, including but not limited to US EPA′s Federal Insecticide Fungicide and Rodenticide Act, 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.
Signalwort
Warning
H-Sätze
Gefahreneinstufungen
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Zielorgane
Respiratory system
Lagerklassenschlüssel
13 - Non Combustible Solids
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
Persönliche Schutzausrüstung
dust mask type N95 (US), Eyeshields, Gloves
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High-performance liquid chromatographic analysis of flavonoids from< i> Ononis spinosa</i> L.
Pietta P, et al.
Journal of Chromatography A, 280, 172-175 (1983)
Xiaoyun Ye et al.
Environmental health perspectives, 114(12), 1843-1846 (2006-12-23)
Parabens appear frequently as antimicrobial preservatives in cosmetic products, in pharmaceuticals, and in food and beverage processing. In vivo and in vitro studies have revealed weak estrogenic activity of some parabens. Widespread use has raised concerns about the potential human
Dermal contact dermatitis from benzylparaben.
A Tosti et al.
Contact dermatitis, 21(1), 49-51 (1989-07-01)
Ying Hu et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 53, 69-74 (2012-12-12)
Benzylparaben (BzP), a type of parabens being used as a preservative agent in cosmetics, food, and pharmaceutical products, may be ingested by humans. In this study, we performed an immature uterotrophic assay using Sprague Dawley (SD) rats by intragastric administration
Kinetics of the photosensitized degradation of benzyl 4-hydroxybenzoate in homogeneous aqueous solution under visible-light irradiation.
Gmurek M, et al.
Chemical Engineering Journal, 210, 417-424 (2012)
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