L-Arginine-L-Aspartate	AJI97	USP2025	EP11	JP18
Appearance	White crystals or crystalline powder	/	White or almost white granules or powder	/
ldentification	Conform	/	IR:Conform to CRS Spectrum	/
Identification （TLC)	/	/	Conform	/
State of solution (Transmittance)	Clear and colorless, ≥98.0%	/	/	/
Specific rotation	+25.5° ~ +27.5°	/	+25° ~ +27°(dried substance)	/
Chloride	≤0.050%	/	≤200ppm	/
Sulfate	≤0.030%	/	≤300ppm	/
Ammonium	≤0.02%	/	≤100ppm	/
Iron	≤30ppm	/	/	/
Heavy metals	≤10ppm	/	/	/
Arsenic	≤1ppm	/	/	/
Other amino acids	Chromatographically not detectable	/	/	/
Loss on drying	≤3.00%	/	≤0.5%	/
Residue on ignition	≤0.20%	/	≤0.1%	/
pH	5.5 ~ 7.0	/	6.0 ~ 7.0	/
Assay	98.5% ~ 101.0%	/	99.0% ~ 101.0%(dried substance)	/
Appearance of solution	/	/	Solution S is clear and not more intensely coloured than reference solution Y₇	/
Ninhydrin-positive substances	/	/	≤0.2%	/

L-Arginine-L-Aspartate

CAS No.: 7675-83-4
Molecular formular: C₁₀H₂₁N₅O₆
Molecular weight: 307.31

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