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W295101

Sigma-Aldrich

Propyl 4-hydroxybenzoate

≥99%

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Synonym(s):
4-Hydroxybenzoic acid propyl ester, Propyl paraben
Linear Formula:
HOC6H4CO2CH2CH2CH3
CAS Number:
Molecular Weight:
180.20
FEMA Number:
2951
Beilstein:
1103245
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

biological source

synthetic

grade

Fragrance grade

Agency

follows IFRA guidelines

reg. compliance

EU Regulation 1223/2009

Assay

≥99%

mp

95-98 °C (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

Organoleptic

burnt; smoky

SMILES string

CCCOC(=O)c1ccc(O)cc1

InChI

1S/C10H12O3/c1-2-7-13-10(12)8-3-5-9(11)6-4-8/h3-6,11H,2,7H2,1H3

InChI key

QELSKZZBTMNZEB-UHFFFAOYSA-N

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General description

Propyl 4-hydroxybenzoate belongs to a group called parabens, which are commonly used as preservatives in cosmetics, skin care products, food, and beverages. Propyl 4-hydroxybenzoate, in combination with other parabens also shows strong antimicrobial activity against a wide range of micro-organisms.

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Validation of HPLC analysis of 2-phenoxyethanol, 1-phenoxypropan-2-ol, methyl, ethyl, propyl, butyl and benzyl 4-hydroxybenzoate (parabens) in cosmetic products, with emphasis on decision limit and detection capability.
Borremans M, et al.
Chromatographia, 59(1), 47-53 (2004)
Dennis G Maki et al.
Critical care medicine, 39(4), 613-620 (2011-01-05)
Catheter-related bloodstream infection is the greatest threat to the safety of patients on hemodialysis. Catheter lock solutions containing heparin have been linked to an increased risk of hemorrhage and thrombocytopenia. To ascertain the safety and efficacy for prevention of catheter-related
C L Barberis et al.
Journal of food protection, 73(8), 1493-1501 (2010-09-08)
Each year, a significant portion of the peanuts produced cannot be marketed because of fungal disease at the postharvest stage and mycotoxin contamination. Antioxidants could be used as an alternative to fungicides to control ochratoxigenic fungi in peanuts during storage.
Miguel González-Doncel et al.
Environmental pollution (Barking, Essex : 1987), 184, 360-369 (2013-10-08)
Here we proposed a battery of non-invasive biomarkers and a histological survey to examine physiological/anatomical features in embryos, eleutheroembryos (13 days post-fertilization, dpf), and larvae (28-42 dpf) of medaka to investigate the effects of embryonic exposure to propylparaben (PrP). Concentrations <1000 μg
O Herrero et al.
Mutation research, 743(1-2), 20-24 (2012-01-18)
Di(2-ethylhexyl)phthalate, triclosan and propylparaben are contaminants of emerging concern that have been subjected to extensive toxicological studies, but for which limited information is currently available concerning adverse effects on terrestrial plant systems. The Allium cepa test, which is considered one

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