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715077

Sigma-Aldrich

Isobutyl 4-hydroxybenzoate

97%

Synonym(s):

2-Methylpropyl 4-hydroxybenzoate, Isobutylparaben

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About This Item

Empirical Formula (Hill Notation):
C11H14O3
CAS Number:
4247-02-3
Molecular Weight:
194.23
EC Number:
224-208-8
MDL number:
MFCD00020167
UNSPSC Code:
12352100
PubChem Substance ID:
329762940
NACRES:
NA.22

Quality Level

200

Assay

97%

form

solid

mp

75-80 °C

SMILES string

CC(C)COC(=O)c1ccc(O)cc1

InChI

1S/C11H14O3/c1-8(2)7-14-11(13)9-3-5-10(12)6-4-9/h3-6,8,12H,7H2,1-2H3

InChI key

XPJVKCRENWUEJH-UHFFFAOYSA-N

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Application

Isobutyl 4-hydroxybenzoate can be used to synthesize lipophilic alkyl parabens as additives for foods and flavor ingredients. It is also commonly used as a preservative in cosmetic products.

Disclaimer

The product is not intended for use as a biocide under global biocide regulations, including but not limited to US EPA′s Federal Insecticide Fungicide and Rodenticide Act, European Biocidal Products Regulation, Canada’s Pest Management Regulatory Agency, Turkey’s Biocidal Products Regulation, Korea’s Consumer Chemical Products and Biocide Safety Management Act (K-BPR) and others.

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H315,H318

Hazard Classifications

Eye Dam. 1 - Skin Irrit. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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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Joanna Jurewicz et al.
Journal of occupational and environmental medicine, 59(11), 1034-1040 (2017-07-12)
The aim of this study was to evaluate the association between environmental exposure to parabens and semen quality parameters [main semen parameters, computer-aided semen analysis (CASA parameters], sperm chromatin structure, and the level of reproductive hormones in men [follicle-stimulating hormone
Simultaneous determination of 21 preservatives in cosmetics by ultra performance liquid chromatography.
Wu T, et al.
International Journal of Cosmetic Science, 30(5), 367-372 (2008)
Preparation of lipophilic alkyl (hydroxy) benzoates by solvent-free lipase-catalyzed esterification and transesterification.
Vosmann K, et al.
Applied Microbiology and Biotechnology, 80(1), 29-36 (2008)
Juan Ignacio Cacho et al.
Talanta, 146, 568-574 (2015-12-24)
A new procedure for the introduction of ionic liquid samples in gas chromatography (GC) is proposed. This procedure, based on microvial insert thermal desorption, allows the direct analysis of the compounds preconcentrated by ionic liquid based liquid-liquid microextraction (IL-LLME) using
Hui Wang et al.
Nucleic acids research, 43(14), e91-e91 (2015-05-07)
Synthetic biology has significantly advanced the rational design of trigger-inducible gene switches that program cellular behavior in a reliable and predictable manner. Capitalizing on genetic componentry, including the repressor PmeR and its cognate operator OPmeR, that has evolved in Pseudomonas
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