7-Hydroxycoumarin-4-acetic acid 97%
Leverantör: Thermo Scientific
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Varning
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Synonyms:
2-(7-Hydroxy-2-oxo-2H-chromen-4-yl)acetic acid, Umbelliferone-4-acetic acid
427900010
427900050
ACRO427900010EA
930
SEK
ACRO427900010
ACRO427900050
7-Hydroxycoumarin-4-acetic acid 97%
7-Hydroxycoumarin-4-acetic acid
Appearance: Off-white to light yellow Crystalline powder
Formel:
C₁₁H₈O₅ MW: 220,18 g/mol Smältpunkt: 209…210 °C Storage Temperature: Omgivande |
MDL Number:
MFCD00037563 CAS nummer: 6950-82-9 UN: 2811 ADR: 6.1,III |
Specifikation testresultat
Appearance | Off-white to light yellow Crystalline powder |
Infrared spectrum | Conforms |
HPLC | ≥96.0 % |
Titration with HClO4 | ≥98.5 % |
Substance darkened by H2SO4 | Passes test |
Chloride (Cl) | ≤0.005 % |
Sulfate (SO4) | ≤0.005 % |
Ammonium (NH4) | ≤0.005 % |
Heavy metals (as Pb) | ≤0.002 % |
Hydrolyzable substance | Passes test |
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