Methyl-4-hydroxybenzoate 98.0-102.0% Ph. Eur.

Supplier: VWR Chemicals

25604.290EA 149 EUR
25604.290
Methyl-4-hydroxybenzoate 98.0-102.0% Ph. Eur.
Methyl-4-hydroxybenzoate

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


Upozornení: Not for use as Active Pharmaceutical Ingredient (API)

Formula: HOC₆H₄CO₂CH₃
MW: 152,15 g/mol
Boiling Pt: 270…280 °C (1013 hPa)
Melting Pt: 125…128 °C
Density: 1,1208 g/cm³ (137 °C)
MDL Number: MFCD00002352
CAS Number: 99-76-3
Merck Index: 13,06129
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Specification Test Results

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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