L-Arginine Ethyl Ester Hydrochloride

Product Name:

L-Arginine

CAS Number:

74-79-3

Chemical Formula:

C₆H₁₄N₄O₂

Molecular Weight:

174.2022

Synonyms:

L-Arginine Free base; L-(+)-Arginine;

2-Amino-5-guanidinovaleric acid;

2-Amino-5-guanidinopentanoic acid;

Standard:

FCCIV/USP33/AJI97

* Melting Point:

223 - 224 ºC

Analytical Procedure

Specification

Appearance:

White crystalline powder

Assay[dry basis]:

99.0% to 101.0%

Specific rotation [α]_D²⁰:

+26.9^o to +27.9^o

State of solution:

Clear and colorless

Transmittance:

98.0% min.

Loss on drying

0.50% max.

PH:

10.5 to 12.0

Residue on ignition [sulfated]:

0.10% max.

Chloride [Cl^-]:          

0.02% max.

Ammonium [NH₄⁺]:

0.02% max.

Sulfate [SO4]:

0.020% max.

Iron [Fe]:

10ppm max.

Heavy metals [Pb]:

10ppm max.

Arsenic [As2O3]:

1ppm max.

Other amino acids:

None