2,6-Dihydroxy / 1,3-diazepine / Uracil

English name: Uracil; 2,6-Dihydroxypyrimidine; 2,4- (1H, 3H) -Pyrimidinedione; 2,4-Dihydroxypyr-imidine; 2,4-Dioxopyrimidine; 2,4-Pyrimidinediol
Other names: 2,4-dihydroxypyrimidine; 2,4- (1H, 3H) -pyrimidinedione; Yuxue; 2,6-dihydroxy; 1,3-diazabenzene
CAS number: 66-22-8
C4H4N2O2 = 112.09
Level: High putiry grade
Content: ≥98.0%
Melting point:> 300 ℃

Loss on drying: ≤1.0%

Heavy metals: ≤20ppm
Properties: white or light yellow crystal. 100 parts of water at 25 ° C dissolves 0.358 parts of this product. Soluble in hot water, soluble in ammonium hydroxide and other alkalis, slightly soluble in cold water, almost insoluble in ethanol and ether. Maximum absorption wavelength (pH 7.0) 202.5, 259.5nm (ε × 10

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