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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
Linear Formula:
HOC6H4CO2(CH2)3CH3
CAS Number:
94-26-8
Molecular Weight:
194.23
FEMA Number:
2203
Beilstein:
1103741
EC Number:
202-318-7
Council of Europe no.:
525
MDL number:
MFCD00016478
UNSPSC Code:
12164502
PubChem Substance ID:
24900915
Flavis number:
9.754
NACRES:
NA.21

biological source

synthetic

Quality Level

400

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
GHS05

Signal Word

Danger

Hazard Statements

H315,H318

Hazard Classifications

Eye Dam. 1 - Skin Irrit. 2

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)

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Guoyuan Wen et al.
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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
Jia Chen et al.
Journal of chromatography. A, 1591, 33-43 (2019-01-21)
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
Tilak Khanal et al.
Toxicology letters, 213(2), 174-183 (2012-07-21)
Parabens are alkyl esters of p-hydroxybenzoic acid (BA), including methyl paraben (MP), ethyl paraben, propyl paraben (PP), and butyl paraben (BP). In the present study, possible role of metabolism by fecalase in BP-induced cytotoxicity was investigated in HepG2 cell cultures.
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
Caroline Stremnitzer et al.
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
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