4-(2-Pyridylazo)resorcinol 96%, Sigma-Aldrich®
Supplier: SIGMA-ALDRICH MICROSCOPY
Synonyms:
4-(2'-Pyridylazo)resorcinol
M-Clarity™ quality level = MQ200
323209-25G
323209-5G
323209-25GEA
919
EUR
323209-25G
323209-5G
4-(2-Pyridylazo)resorcinol 96%, Sigma-Aldrich®
4-(2-Pyridylazo)resorcinol
4-(2-Pyridylazo)resorcinol (PAR) is a monosodium salt(1), dibasic acid that forms the protonated complexes with most metal ions.
4-(2-Pyridylazo)resorcinol (PAR) serves as a metallochromic indicator and is suitable as a chromogenic agent for the quantitative determination of over 50 elements.
Formula:
C₁₁H₉N₃O₂ MW: 215,21 g/mol Melting Pt: 192,..202 °C (lit.) Storage Temperature: Room Temperature |
MDL Number:
MFCD00044237 CAS Number: 1141-59-9 EINECS: 214-528-6 |
Specification Test Results
Appearance (colour) | Conforms to requirements |
Appearance (form) | Powder |
Purity (HPLC area %) | ≥95.5 % |
Carbon content | 58.6 - 64.2 % |
Nitrogen content | 18.6 - 20.4 % |
Infrared spectrum | Conforms to structure |
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