China (Mainland)
L-Arginine
Quality standard:USP, AJI, FCC
CAS No.: 74-79-3
Molecular Formula: C6H14N4O2
Molecular Weight: 174.2022
Melting Point: 223 - 224
Characteristics: White crystals or crystalline powder; Freely soluble in water.
Quality Standards: USP, AJI.
Item
Specifications (USP)
Specifications (AJI)
Description
White crystals or crystalline powder
White crystals or crystalline powder
Identification
Infrared absorption spectrum
Infrared absorption spectrum
Specific rotation[a]D20°
+26.3 °- +27.7°
+26.9 °- +27.9°
State of solutionTransmittance
---
min. 98.0%
Chloride (Cl)
max. 0.05%
max. 0.020%
Ammonium (NH4)
---
max. 0.02%
Sulfate (SO4)
max. 0.03%
max. 0.020%
Iron (Fe)
max. 0.003%
max. 10PPm
Heavy metals (Pb)
max. 0.0015%
max. 10PPm
Arsenic (As2O3)
---
max. 1PPm
Other amino acids
---
Chromatographically not detectable
Loss on drying
max. 0.5%
max. 0.5%
Residue on ignition
(sulfated)
max. 0.3%
max. 0.10%
Assay
98.5-101.5%
99.0-101.0%
PH
---
10.5-12.0
Organic volatile impurities
Meets the requirements
---
L-Arginine HCl
Molecular Formula: C6H14N4O2·HC1
Molecular Weight: 210.66
CAS No.: 1119-34-2
Product details:
Package: Fiber Drum outside,double PE bags inside .(25kgs)
Storage: Cool, dry, dark in closed containers; recommended limit 2 years
Quality Standard:
Item
CP2010
AJI92
USP24
Assay
min.98.5%
98.5-101.0%
98.5-101.5%
PH
4.7-6.2
Specific rotation[a]D020
+21.5-+23.5
+22.1-+22.9
Specific rotation [a]D025
+21.4-+23.6
State of solution
clear & colorless
clear & colorless
(Transmittance T430)
min.98.0%
min.98.0%
Chloride(Cl)
16.5%-17.1%
16.58-17.00%
16.5-17.1%
Ammonium(NH4)
max.0.02%
max.0.02%
Sulfate(SO4)
max.0.02%
max.0.02%
max.0.03%
phosphate(PO4)
max.0.02%
protein
no deposition
Iron(Fe)
max.10ppm
max.10ppm
Heavy metals(Pb)
max.10ppm
max.10ppm
max.20ppm
Arsenic(As)
max.1ppm
max.1ppm
Other amino acids
max.0.2%
max.0.5%
Loss on drying
max.0.2%
max.0.2%
max.0.30%
Residue on ignition
max.0.1%
max.0.1%
max.0.10%
pyrogen
conforms