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09-1970

Ethyl 4-hydroxybenzoate

Name: Ethyl 4-hydroxybenzoate
Brand: SAJ

SAJ first grade, ≥99.0%

Synonym(s):

Ethylparaben

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About This Item

Linear Formula:

HOC₆H₄CO₂C₂H₅

CAS Number:

120-47-8

Molecular Weight:

166.17

Beilstein:

1101972

MDL number:

MFCD00002353

UNSPSC Code:

12352108

PubChem Substance ID:

329748737

Pricing and availability is not currently available.

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Sigma-Aldrich

767719

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grade

SAJ first grade

Assay

≥99.0%

availability

available only in Japan

bp

297-298 °C (lit.)

mp

114-117 °C (lit.)

SMILES string

CCOC(=O)c1ccc(O)cc1

InChI

1S/C9H10O3/c1-2-12-9(11)7-3-5-8(10)6-4-7/h3-6,10H,2H2,1H3

InChI key

NUVBSKCKDOMJSU-UHFFFAOYSA-N

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This Item	PHR1958	PHR2226	PHR2017
PHR2023 (E)-2-[(1-Benzylpiperidin-4-yl)methylene]-5,6-dimethoxyindan-1-one(Donepezil Related Compound A)	PHR1958 Irbesartan Related Compound A	PHR2226 Duloxetine Related Compound A	PHR2017 Candesartan Cilexetil Related Compound A
form powder	form powder	form powder	form powder
Quality Level 300	Quality Level 300	Quality Level 300	Quality Level 300
grade certified reference material, pharmaceutical secondary standard	grade certified reference material, pharmaceutical secondary standard	grade certified reference material, pharmaceutical secondary standard	grade certified reference material, pharmaceutical secondary standard
storage temp. 2-8°C	storage temp. 2-8°C	storage temp. 2-8°C	storage temp. 2-8°C
packaging pkg of 50 mg	packaging pkg of 50 mg	packaging pkg of 25 mg	packaging pkg of 20 mg

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Simultaneous analysis of antioxidants and preservatives in cosmetics by supercritical fluid extraction combined with liquid chromatography-mass spectrometry.

Maw-Rong Lee et al.

Journal of chromatography. A, 1120(1-2), 244-251 (2006-03-04)

This study evaluated supercritical fluid extraction (SFE) combined with liquid chromatography-mass spectrometry (LC-MS) to determine trace preservatives and antioxidants including methylparaben (MP), ethylparaben (EP), propylparaben (PP), butylparaben (BP), butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT), alpha-tocopherol (alpha-t) and alpha-tocopherol acetate (alpha-ta)

Metabolism of parabens (4-hydroxybenzoic acid esters) by hepatic esterases and UDP-glucuronosyltransferases in man.

Suzanne Abbas et al.

Drug metabolism and pharmacokinetics, 25(6), 568-577 (2010-10-12)

Parabens (alkyl esters of 4-hydroxybenzoic acid) are widely used as preservatives in drugs, cosmetic products, and foodstuffs. Safety concerns have recently increased due to the potential health risks associated to exposure to large amounts of these substances. Biotransformation of parabens

Assessment of principal parabens used in cosmetics after their passage through human epidermis-dermis layers (ex-vivo study).

Sawsan El Hussein et al.

Experimental dermatology, 16(10), 830-836 (2007-09-12)

Concern is continuously raised about the safety of parabens which are present in most of the cosmetic preparations. In this investigation, methyl-, ethyl-, propyl- and butyl paraben (MP, EP, PP, BP), in a commercial cosmetic lotion, were deposited on human

Ethyl-paraben and nicotinamide mixtures: apparent solubility, thermal behavior and X-ray structure of the 1:1 co-crystal.

S Nicoli et al.

Journal of pharmaceutical sciences, 97(11), 4830-4839 (2008-03-05)

This work aims at investigating the nicotinamide (NA)-ethyl-paraben (EP) binary system both in solution and in the solid state. In particular, the apparent EP solubility in water was studied in the presence of different NA concentrations (between 0.28 and 1.64

Lack of spermatotoxic effects of methyl and ethyl esters of p-hydroxybenzoic acid in rats.

Shinshi Oishi

Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 42(11), 1845-1849 (2004-09-08)

Parabens are alkyl esters of p-hydroxybenzoic acid widely used as preservatives in foodstuffs, cosmetics toiletries and pharmaceuticals. These compounds are known to exert a weak estrogenic activity in estrogen receptor assays in vitro. In addition butyl and propyl parabens show

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