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09-1970

Sigma-Aldrich

Ethyl 4-hydroxybenzoate

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

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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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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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)
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
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
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
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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