L-arginine

We are offering our customers a wide range of L-Arginine, which are available following Specifications :-
Quality standard:USP, AJI, FCC
41CAS No.: 74-79-3
Chemical Name and Synonyms:
2-Amino-5-guanidinovaleric acid; 2-Amino-5-guanidinopentanoic acid; Arg; Arginine; L-Arginine; L-(+)-Arginine;
Molecular Formula: C6H14N4O2
Molecular Weight: 174.2022
Melting Point: 223 - 224
Cas No: [74-79-3]
Characteristics: White crystals or crystalline powder; Freely soluble in water.
Quality Standards: USP, AJI.
ItemSpecifications (USP)Specifications (AJI)
DescriptionWhite crystals or crystalline powderWhite crystals or crystalline powder
IdentificationInfrared absorption spectrumInfrared absorption spectrum
Specific rotation[a]D20A +26.3 A - +27.7A +26.9 A - +27.9A
State of solutionTransmittance---a Y 98.0%
Chloride (Cl)a 0.05%a 0.020%
Ammonium (NH4)---a 0.02%
Sulfate (SO4)a 0.03%a 0.020%
Iron (Fe)a 0.003%a 10PPm
Heavy metals (Pb)a 0.0015%a 10PPm
Arsenic (As2O3)---a 1PPm
Other amino acids---Chromatographically not detectable
Loss on dryinga 0.5%a 0.5%
Residue on ignition
(sulfated)a 0.3%a 0.10%
Assay98.5-101.5%99.0-101.0%
PH---10.5-12.0