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W220302

Sigma-Aldrich

Butyl 4-hydroxybenzoate

≥99%

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Synonym(s):
p-Hydroxybenzoic acid n-butyl ester, Butyl paraben, SPF
Linear Formula:
HOC6H4CO2(CH2)3CH3
CAS Number:
Molecular Weight:
194.23
FEMA Number:
2203
Beilstein:
1103741
EC Number:
Council of Europe no.:
525
MDL number:
PubChem Substance ID:
Flavis number:
9.754
NACRES:
NA.21

biological source

synthetic

Quality Level

Agency

meets purity specifications of JECFA

reg. compliance

FDA 21 CFR 117
FDA 21 CFR 172.515

Assay

≥99%

bp

156-157 °C/3.5 mmHg (lit.)

mp

67-70 °C (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

Organoleptic

faint

SMILES string

CCCCOC(=O)c1ccc(O)cc1

InChI

1S/C11H14O3/c1-2-3-8-14-11(13)9-4-6-10(12)7-5-9/h4-7,12H,2-3,8H2,1H3

InChI key

QFOHBWFCKVYLES-UHFFFAOYSA-N

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Disclaimer

For R&D or non-EU Food use. Not for retail sale.

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Skin Irrit. 2

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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A novel supramolecular solvent (SUPRAS) based on hexafluoroisopropanol (HFIP)/Brij-35 was proposed for liquid-phase microextraction (LPME) of parabens in water samples, pharmaceuticals and personal care products. Brij-35 is a cost-effective and non-toxic non-ionic surfactant, but it has a high cloud point
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The Journal of general virology, 96(Pt 6), 1219-1228 (2015-01-30)
Thermostable Newcastle disease virus (NDV) vaccines have been used widely to control Newcastle disease for village poultry flocks, due to their independence of cold chains for delivery and storage. To explore the potential use of thermostable NDV as a vaccine
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The Journal of investigative dermatology, 135(7), 1790-1800 (2015-02-24)
Papain is commonly used in food, pharmaceutical, textile, and cosmetic industries and is known to induce occupational allergic asthma. We have previously shown that the papain-like cysteine protease Dermatophagoides pteronyssinus 1 from house dust mite exhibits percutaneous sensitization potential. We
Jordan Shaw et al.
Reproductive toxicology (Elmsford, N.Y.), 28(1), 26-31 (2009-06-06)
Parabens, a class of preservatives routinely added to cosmetics, pharmaceuticals, and foods, have estrogenic properties. Given that intrauterine implantation of fertilized ova in inseminated females can be disrupted by minute levels of exogenous estrogens, we assessed the impact of parabens
Anuschka Liekens et al.
Journal of chromatography. A, 1218(38), 6654-6662 (2011-08-25)
The effect of the addition of 25%, 50% and 75% (weight percent, wt%) of larger particles (resp. 3 and 5 μm) to a commercial batch of 1.9 μm particles has been investigated as an academic exercise to study the effects

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