Methyl-4-hydroxybenzoate, white crystalline powder

Supplier: MP BIOMEDICALS (FKA ICN BIOMED
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Synonyms: Methyl ParahydroxybenzoateMethyl 4-hydroxybenzoate4-Hydroxybenzoic acid methyl esterMethylparaben

0210234105 0210234101 02102341.5 02102341.1
IC10234101EA 183.73 USD
IC10234101 IC102341.1 IC10234105 IC102341.5
Methyl-4-hydroxybenzoate, white crystalline powder
Methyl 4-hydroxybenzoate

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.


Caution: Research Use Only (RUO).

Formula: HOC₆H₄CO₂CH₃
MW: 152.15 g/mol
Boiling Pt: 270…280 °C
Melting Pt: 124…131 °C
Storage Temperature: Ambient
MDL Number: MFCD00002352
CAS Number: 99-76-3
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Specification Test Results

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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