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

PubChem Substance ID:

329748737

UNSPSC Code:

12352108

Beilstein/REAXYS Number:

1101972

MDL number:

MFCD00002353

Product Name

Ethyl 4-hydroxybenzoate, SAJ first grade, ≥99.0%

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

grade

SAJ first grade

assay

≥99.0%

availability

available only in Japan

bp

297-298 °C (lit.)

mp

114-117 °C (lit.)

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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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

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

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

Hydrolysis of a series of parabens by skin microsomes and cytosol from human and minipigs and in whole skin in short-term culture.

Christopher Jewell et al.

Toxicology and applied pharmacology, 225(2), 221-228 (2007-09-25)

Parabens are esters of 4-hydroxybenzoic acid and used as anti-microbial agents in a wide variety of toiletries, cosmetics and pharmaceuticals. It is of interest to understand the dermal absorption and hydrolysis of parabens, and to evaluate their disposition after dermal

Measurement of Total and Free Urinary Phenol and Paraben Concentrations over the Course of Pregnancy: Assessing Reliability and Contamination of Specimens in the Norwegian Mother and Child Cohort Study.

Virginia T Guidry et al.

Environmental health perspectives, 123(7), 705-711 (2015-03-18)

Exposures to environmental phenols and parabens may be harmful, especially in utero. Prior studies have demonstrated high within-person variability of urinary concentrations across pregnancy. We sought to measure phenol and paraben biomarker concentrations for the Norwegian Mother and Child Cohort

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