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4-hydroksybenzoesan metylu, white crystalline powder

Dostawca: MP Biomedicals
Uwaga

ICNA02102341.1EA 148 PLN
ICNA02102341.1 ICNA0210234101 ICNA02102341.5 ICNA0210234105
4-hydroksybenzoesan metylu, white crystalline powder
4-hydroksybenzoesan metylu

Methyl p-Hydroxybenzoate is the methyl ester of p-hydroxybenzoic acid. Typically used as a preservative in foods, beverages and cosmetics.


It can be used to inhibit yeast growth and can also be used as an antimicrobial agent for gram-positive anaerobic bacteria. It must be suspended in ethanol first, since it does not dissolve readily in water. It is also indicated to have some pheromonal properties.


Slightly soluble in water (1 g/400 ml); soluble in warm oil (1 g/40 ml) or warm glycerol (1 g/70 ml); freely soluble in alcohol (50 mg/mL methanol - clear, colorless solution), acetone or ether.


Uwaga: Research Use Only (RUO).

Formuła: HOC₆H₄CO₂CH₃
MW: 152,15 g/mol
Temp. Wrzenia: 270…280 °C
Temp. topnienia: 124…131 °C
Temperatura przechowywania: Temperatura otoczenia
Numer MDL: MFCD00002352
Numer CAS: 99-76-3
https://pl.vwr.com/stibo/web/std.lang.all/17/24/2301724.jpg

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Wyniki testów specyfikacyjnych

Identity Test Passes
FTIR Conforms to Standard
Melting Point 124 - 131 °C
UV/Vis: l max (methanol) 255 ± 3 nm
Solubility Passes
Acidity Passes
Residue on Ignition ≤0.1%

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