石家庄海天千赢国际娱乐qy88有限公司
PRODUCTS
Name L-Phenylalanine
Molecular formular C9H11NO2
Molecular weight 165.19
CAS No. 63-91-2
面议
Specification
L-Phenylalanine
CP2015
AJI92
USP40
FCCVI
Description
White crystals or crystalline powder
White crystals or crystalline powder
White crystals or crystalline powder
White crystals or crystalline powder
Identification
Conforms
Conform
Conform
Infrared Absorption
Assay
≥98.5%
99.0%～100.5%
98.5%~101.5%
98.5%~101.5%
pH
5.4~6.0
5.4~6.0
5.5~7.0
5.4~6.0
Transmittance
≥98.0%
≥98.0%
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Loss on drying
≤0.2%
≤0.20%
≤0.3%
≤0.2%
Residue on ignition
≤0.1%
≤0.10%
≤0.4%
≤0.1%
Chloride
≤0.02%
≤0.020%
≤0.05%
≤0.02%
Heavy Metals
≤10ppm
≤10ppm
≤15ppm
≤15ppm
Lead
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≤5 ppm
Iron
≤0.001%
≤10ppm
≤30ppm
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Sulfate
≤0.02%
≤0.020%
≤0.03%
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Endotoxin
＜25EU/g
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Arsenic
≤1ppm
≤1ppm
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≤2ppm
Ammonium
≤0.02%
≤0.02%
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Other amino acids
Conforms
Conforms
Conforms
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Pyrogen
---
Conforms
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Specific Rotation
-33.5°~ -35.0°
-33.5°~ -35.0°
-32.7°~-34.7°
-33.2°~ -35.2°
Specification