乙酰-L-酪氨酰胺1948-71-6
Items
Standard
Analysis data
Appearance
White crystal or white crystalline powder
Conforms
Specific
Rotation [20/D]
(C=2
in H2O)
+46.5 to +49.0 Degree
46.2°
Transmittance
Not less than 98.0%
96.5%
Heavy Metals (Pb)
Not more than 10 PPM
<10ppm
Arsenic (As2O3)
Not more than 2 PPM
<2ppm
Loss on Drying
Not more than 0.50%
0.25%
Residue on Ignition
Not more than 0.30%
0.1%
Assay
98.0 to 102.0%
99.2%
pH
2.0 to 3.0
2.3
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