4-Hydroxystyrene Cas:2628-17-3

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4-Hydroxystyrene

Product Description:

Product Name: 4-Hydroxystyrene CAS NO: 2628-17-3

 

Synonyms:

4-Vinylphenol;

Phenol,4-ethenyl;

p-Hydroxystyrene;

 

Chemical & Physical Properties:

Appearance: Colorless liquid

Assay :≥99.00%

Density: 1.055g/cm3

Boiling Point: 206.2℃ at 760mmHg

Melting Point: 73℃

Flash Point: 92.3℃

Refractive Index: 1.444

Water Solubility: Slightly miscible with water

Sensitive: Hygroscopic

 

Safety Information:

RTECS: SN3800000

Safety Statements: S26-S36

HS Code: 2907199090

WGK Germany: 2

Risk Statements: R36/38

Hazard Code: Xn

 

4-Vinylphenol is a phenolic compound found in wine and beer. It is produced by the spoilage yeast Brettanomyces. When it reaches concentrations greater than the sensory threshold, it can give the wine aromas described as barnyard, medicinal, band-aids, and mousy. In wine, 4-vinylphenol can react with other molecules, such as anthocyanidins, to produce new chemical compounds. In white wines vinylphenols are dominant (4-vinylphenol 70-1 150 μg/l, 4-vinylguajacol 10-490 μg/l) whereas, in red wines, it”s the corresponding ethyl-phenols.

 

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Products under patent are offered for R & D purpose only. However, the final responsibility lies exclusively with the buyer.



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