7-Hydroxycoumarin-4-acetic acid 97%

Leverantör: Thermo Scientific
Varning

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

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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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