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Imidazole-4,5-dicarboxylic acid 99%

Supplier: Thermo Scientific Chemicals

ThermoScintific Chemicals

ThermoScintific Chemicals

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Synonyms: 4,5-Imidazoledicarboxylic acid , 1H-Imidazole-4,5-dicarboxylic acid

41225-0250

TS41225-0250EA 143 USD

TS41225-0250

Imidazole-4,5-dicarboxylic acid 99%

Imidazole-4,5-dicarboxylic acid

Formula: C₅H₄N₂O₄
MW: 156.10 g/mol
Melting Pt: 265 °C
Storage Temperature: Ambient

MDL Number: MFCD00005200
CAS Number: 570-22-9
EINECS: 209-327-5

Specification Test Results

Appearance	Light yellow to yellow-brown Crystalline powder
Infrared spectrum	Conforms
Titration excess NaOH	≥98.5 %
UV	at 233 nm A: ≤1
UV	at 240 nm A: ≤0.2
UV	at 250 nm A: ≤0.02
UV	at 260 nm A: ≤0.005
UV	at 270 nm A: ≤0.005
UV	at 280 nm A: ≤0.005
UV	1 cm cell vs HPLC-grade water
Color scale	≤5 APHA
Stabilizer	Approx. 0.4 % Methanol
Residue after evaporation	≤0.0002 %
Acidity	≤0.0001 meq/g
Filtered to 0.2 micrometer	Filtered
Free chlorine	≤0.0005 %

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