4-hydroksybenzoesan metylu 98.0-102.0% Ph. Eur.
Dostawca: VWR Chemicals
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Uwaga
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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 |
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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