L-Asparagine Monohydrate

L- Asparagine	CP2020	EP11	USP2022	USP39	AJI92	FCC11
Assay	≥98.0%	99.0～101.0%	98.0-101.5%	98.0-101.5%	99.0-101.0%	98.0-101.5%
PH	/	4.0-6.0	/	/	4.4-6.4	/
Specific rotation[a]D20	+31.0°-+35.0°	+33.7-+36.0	+33.0°-+36.5°	+33.0°-+36.5°	+34.2°-+36.5°	+33.0°-+36.5°
Specific rotation[a]D25	/	/	/	/	/	/
Appearance of solution	/	clear & colorless	/	/	/	/
Transmittance(T430)	≥98.0%	/	/	/	≥98.0%	/
Lead		/	≤5PPM	/	/	/
Chloride(Cl)	≤0.005%	≤0.02%	/	/	≤0.02%	/
Ammonium(NH4)	≤0.1%	≤0.1%	/	/	≤0.1%	/
Sulfate(SO4)	≤0.005%	≤0.02%	/	/	≤0.02%	/
Iron(Fe)	≤0.001%	≤10PPM	/	/	≤10PPM	/
Heavy metals(Pb)	≤0.001%	/	/	≤5PPM	≤10PPM	≤5PPM
Arsenic	≤0.0001%	/	/	/	≤1PPM	/
Other amino acids	≤0.5%	Impurity A ≤ 0.5% Impurity C ≤ 0.1% Each impurity ≤ 0.05% Total impurity≤ 0.8%	Total impurities≤ 1.0%	Individual impurities≤0.5% Total impurities≤1.0%	conform	/
Ninhydrin-positive substances	/	/	/	/	/	/
Loss on drying	11.5%～12.5%	10.5-12.5%	11.5-12.5%	11.5-12.5%	11.5-12.5%	11.5-12.5%
Residue on ignition	≤0.10%	≤0.10%	≤0.10%	≤0.10%	≤0.10%	≤0.10%
Endotoxin	＜ 25 EU/g	＜ 25 EU/g	＜ 25 EU/g	/	/	/
Total plate count	≤ 1000 CFU/g	≤ 1000 CFU/g	≤ 1000 CFU/g	≤ 1000 CFU/g	≤ 1000 CFU/g	≤ 1000 CFU/g
Moulds & Yeasts	≤ 100 CFU/g	≤ 100 CFU/g	≤ 100 CFU/g	≤ 100 CFU/g	≤ 100 CFU/g	≤ 100 CFU/g

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