L-Arginine

USP + LEC + Microbiological requirements

CAS #:

74-79-3

Molecular Formula:

C6H14N4O2

Synonym:

L-2-Amino-5-guanidinovaleric Acid

Molecular Weight:

174.2 g/mol

Overview

L-Arginine, abbreviated as Arg, plays an important role in cell division, the healing of wounds, removing ammonia from the body, immune function, and the release of hormones.

Characters Unit Specification
Identity (USP) Correlates to test
Assay (USP) % 98.5 - 101.5
Residue on lgnition % ≤ 0.3
Heavy Metals mg/kg ≤ 15
Chloride mg/kg ≤ 500
Sulfate mg/kg ≤ 300
Iron mg/kg ≤ 30
Individual Impurities (USP) % ≤ 0.5
Total Impurities (USP) % ≤ 2.0
Residue on lgnition % ≤ 0.3
Specific optical rotation (USP) o 26.3 - 27.7
Loss on drying (USP) % ≤ 0.5
Bacteria Endotoxins IU/g ≤ 5
TAMC CFU/g ≤ 50
TYMC CFU/g ≤ 10
Escherichia coli CFU/g
Staphylococcus aureus CFU/g
Pseudomonas aeruginosa CFU/g
Salmonella CFU/10g

Shelf Life/Retest Date: L-Arginine can be kept for at least 2 years if stored in a cool and dry place under recommended conditions.

Storage/Shipping Conditions:

  • Keep container tightly closed in a cool, well-ventilated place.
  • Storage temperature recommended: < 25°C

Pack Sizes: 5 Kg

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