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W295101

Sigma-Aldrich

Propyl 4-hydroxybenzoate

≥99%

Synonym(s):

4-Hydroxybenzoic acid propyl ester, Propyl paraben

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About This Item

Linear Formula:
HOC6H4CO2CH2CH2CH3
CAS Number:
94-13-3
Molecular Weight:
180.20
FEMA Number:
2951
Beilstein/REAXYS Number:
1103245
EC Number:
202-307-7
MDL number:
MFCD00002354
UNSPSC Code:
12164502
PubChem Substance ID:
329830550
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.

hcodes

H412

Hazard Classifications

Aquatic Chronic 3

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

356.0 °F

flash_point_c

180 °C

ppe

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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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)
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
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.
José Manuel Pérez Martín et al.
Mutation research, 702(1), 86-91 (2010-08-05)
Propyl p-hydroxybenzoate, commonly referred to as propylparaben, is the most frequently used preservative to inhibit microbial growth and extend shelf life of a range of consumer products. The objective of this study was to provide further insight into the toxicological
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
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