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L-Phenylalanine l-Phenylalanine powder CAS: 63-91-2
Product Name: L-Phenylalanine
Molecular Formula: C9H11NO2
Molecular Weight: 165.19
CAS No: 63-91-2
Testing Item |
Standard |
Result |
Appearance |
White crystals or crystalline powder |
conforms |
Assay/% |
98.5%~101% |
99.60 |
Specific Rotation |
+38.9~+41.8° |
+40.5° |
Identification (Infrared Absorption) |
Corresponding to Reference Spectrum |
conforms |
Residue on Ignition/% |
≤0.30 |
0.06 |
Loss on Drying |
≤0.3 |
0.07 |
Chloride (Cl)/% |
≤0.05 |
0.016 |
Iron (Fe)/% |
≤0.0030 |
0.0009 |
Sulfate ( SO4)/% |
≤0.03 |
0.015 |
Heavy Metal(Pb)/% |
≤0.0015 |
0.0008 |
Arsenic(As)/% |
≤0.0003 |
≤0.0001 |
Cadmium (Cd)/% |
≤0.0001 |
0.00004 |
Mercury (Hg)/% |
≤0.0001 |
0.00003 |
Total Plate Count(cfu/g) |
≤1000 |
69 |
Yeast and Molds(cfu/g) |
≤100 |
11 |
E.Coli |
Negative in 10g |
conforms |
Staphylococcus Aureus |
Negative in 10g |
conforms |
Salmonella |
Negative in 10g |
conforms |
Loss on Drying/% |
≤0.30 |
0.17 |
PH |
5.5~7.0 |
6.2 |
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