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4-hydroksybenzoesan metylu 98.0-102.0% Ph. Eur.

Dostawca: VWR Chemicals
Uwaga

25604.290EA 712 PLN
25604.290
4-hydroksybenzoesan metylu 98.0-102.0% Ph. Eur.
4-hydroksybenzoesan metylu

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


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

Formuła: HOC₆H₄CO₂CH₃
MW: 152,15 g/mol
Temp. Wrzenia: 270…280 °C (1013 hPa)
Temp. topnienia: 125…128 °C
Gęstość: 1,1208 g/cm³ (137 °C)
Temperatura przechowywania: Temperatura otoczenia
Numer MDL: MFCD00002352
Numer CAS: 99-76-3
Numer WE (dawny EINECS): 202-785-7
Klasyfikacja Merck : 13,06129
https://pl.vwr.com/stibo/web/std.lang.all/17/24/2301724.jpg

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Wyniki testów specyfikacyjnych

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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