Methyl-4-hydroxybenzoat 98,0-102,0% Ph. Eur.

Lieferant: VWR Chemicals
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Synonyme: 4-Hydroxybenzoesäuremethylester, Methylparaben

25604.290EA 149 EUR
25604.290
Methyl-4-hydroxybenzoat 98,0-102,0% Ph. Eur.
Methyl-4-hydroxybenzoat

Appearance: White or almost white, crystalline powder or colourless crystals.


Bitte beachten Not for use as Active Pharmaceutical Ingredient (API)

Formel: HOC₆H₄CO₂CH₃
Molecular Weight: 152,15 g/mol
Siedepunkt: 270…280 °C (1013 hPa)
Schmelzpunkt: 125…128 °C
Dichte: 1,1208 g/cm³ (137 °C)
Lagertemperatur: Raumtemperatur
MDL: MFCD00002352
CAS-Nummer: 99-76-3
EINECS: 202-785-7
Merck Index: 13,06129
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Spezifikation Testergebnisse

Assay 98,0 - 102,0 %
Appearance Conforms (see CoA/CoS)
Melting point 125 - 128 °C
Identification (IR) Passes test
Appearance of solution Passes test
Acidity Passes test
4-Hydroxybenzoic acid ≤ 0,5 %
Unspecified impurities (for each) ≤ 0,5 %
Total impurities ≤ 1,0 %
Disregard limit ≤ 0,1 %
Sulphated ash ≤ 0,1 %
Residual solvents Passes test
Residual metal catalysts (skip lot)
As (Arsenic) ≤ 2 ppm
Cd (Cadmium) ≤ 0.5 ppm
Co (Cobalt) ≤ 0.5 ppm
Hg (Mercury) ≤ 2 ppm
Ni (Nickel) ≤ 0.5 ppm
Pb (Lead) ≤ 2 ppm
V (Vanadium) ≤ 0.5 ppm
Conforms to Ph.Eur. Passes test

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