Acido 4-Clorobenzoico 99%
Fornitore: Thermo Fisher Scientific
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Attenzione
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Synonyms:
p-Chlorobenzoic acid, Chlorodracyclic acid, Chlorodracylic acid
Formula:
C₇H₅ClO₂ Punto di ebollizione: 287 °C (1013 hPa) Punto di fusione: 240…243 °C Densità: 1,535 g/cm³ (20 °C) Flash Pt: 238 °C Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00002531 CAS Number: 74-11-3 EINECS: 200-805-9 Merck Index: 13,02144 |
Risultati del test di specificazione
Appearance | White to yellow Crystalline powder |
Infrared spectrum | Conforms |
Melting point | 240 to 243 °C |
Water | ≤0.1 % (K.F.) |
HPLC | ≥98.5 % |
Titration with NaOH | 98.5 to 101.5 % |
Sulfate (SO4) | ≤0.01 % |
Cadmium (Cd) | ≤0.0005 % |
Calcium (Ca) | ≤0.005 % |
Copper (Cu) | ≤0.0005 % |
Iron (Fe) | ≤0.001 % |
Magnesium (Mg) | ≤0.0005 % |
Manganese (Mn) | ≤0.0005 % |
Nickel (Ni) | ≤0.0005 % |
Nitrogen (N) | ≤0.001 % |
Zinc (Zn) | ≤0.0005 % |
Heavy metals (as Pb) | ≤0.001 % |
Free alkali (NaOH) | ≤2.5 % |
Insoluble matter | ≤0.01 % (in water) |
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