7-Hydroxycoumarin-4-acetic acid 97%
Marques : Thermo Fisher ScientificTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Attention
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Synonyme(s):
2-(7-Hydroxy-2-oxo-2H-chromen-4-yl)acetic acid, Umbelliferone-4-acetic acid
Appearance: Off-white to light yellow Crystalline powder
Formule:
C₁₁H₈O₅ Poids moléculaire: 220.18 g/mol Point de fusion: 209…210 °C Température de stockage: Température ambiante |
Numéro MDL:
MFCD00037563 Numéro CAS: 6950-82-9 UN: 2811 ADR: 6.1 III |
Résultats des tests de spécification
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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