L-ORNITHINE HYDROCHLORIDE
Synonyms. L-(+)-2,5-Diaminopentanoic acid hydrochloride; L-Ornithine Hydrochloride; (S)-2,5-Diaminopentanoic acid monohydrochloride; (S)-(+)-2,5-Diaminopentanoic acid hydrochloride; L-2,5-Diaminovaleric acid; Other RN: 68274-41-9

L-ORNITHINE
 

PRODUCT IDENTIFICATION

CAS RN

3184-13-2

EINECS RN

221-678-6

FORMULA

H2N(CH2)3CH(NH2)COOH·HCl

MOLE WEIGHT

168.62

H.S CODE

 2922.49.3800

SMILES

 NCCC[C@H](N)C(=O)O.Cl

CLASSIFICATION

Amino Acid

EXTRA NOTES

 Ornithine is a central part of the urea cycle, which allows for the disposal of excess nitrogen.

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE.

White to off-white crystalline powder

MELTING POINT

245 C (Decomposes)

BOILING POINT

  

DENSITY

1.57

SOLUBILITY IN WATER

 543 g/l at 20 C
SOLVENT SOLUBILITY Soluble in mineral acids

VAPOR DENSITY

 

log P(octanol-water)

  

VAPOR PRESSURE

  

AUTOIGNITION TEMP

  
pH

 

REFRACTIVE INDEX

 

FLASH POINT

 

 
STABILITY AND REACTIVITY
STABILITY Stable under normal conditions. Moisture and light sensitive

INCOMPATIBLE MATERIALS

Strong oxidizing agents
POLYMERIZATION

Has not been reported

NFPA RATINGS

Health: 1; Flammability: 0; Instability: 0;

 

EXTERNAL LINKS & GENERAL DESCRIPTION

Wikipedia Linking - Ornithine

Google Scholar Search

PubChem Compound Summary - L-Ornithine

KEGG (Kyoto Encyclopedia of Genes and Genomes) -  L-Ornithine

http://www.ebi.ac.uk/ -  L-Ornithine

http://www.ncbi.nlm.nih.gov/ - L-Ornithine

Local
Ornithine (2,5-diaminovaleric acid) is an amino acid produced in the urea cycle by the split of urea from arginine, and is itself converted into polyamines such as citrulline. Urea cycle (also called ornithine cycle) is a sequent reaction in which ammonia (toxic products of protein catabolism) is converted to nontoxic urea or uric acid. Excess nitrogen in the liver can cause portal hypertension due to obstructing the passage of blood. Ornithine is not found in native proteins except some birds and bacteria. Though ornithine is an amino acid, it is not involved in protein synthesis. Commercial ornithine is used in biological research of peptidomimetics. It is used to prepare unnatural and unusual amino acids and amino acid analogs as well as to modify peptides.

  • DL-Ornithine Base [CAS #: 616-07-9]
  • DL-Ornithine Monohydrochloride [CAS #: 1069-31-4]
  • DL-Ornithine Dihydrochloride [CAS #: 15160-12-0]
  • D-Ornithine Base [CAS #: 348-66-3]
  • D-Ornithine Monohydrochloride [CAS #: 16682-12-5]
  • L-Ornithine Base [CAS #: 70-26-8]
  • L-Ornithine Monohydrochloride [CAS #: 3184-13-2]
  • L-Ornithine Dihydrochloride [CAS #: 6211-16-1]

 

SALES SPECIFICATION

APPEARANCE

White to off-white crystalline powder

ASSAY

98.0% min

OPTICAL ROTATION

+22° ~ +25° (C=4 in 6 N HCl)

Fe

10ppm max

HEAVY METALS

10ppm max

As

2ppm max

 

TRANSPORT & REGULATORY INFORMATION

UN NO.

Not regulated

HAZARD SYMBOL

  
PACKING GROUP  

 

SAFETY INFORMATION

HAZARD OVERVIEW

May cause eye and skin irritation. May cause respiratory and digestive tract irritation. Target Organs: No data found.

GHS

  

SIGNAL WORD

Warning

PICTOGRAMS

HAZARD STATEMENTS

H319

P STATEMENTS

P305 + P351 + P338
EC DIRECTIVES

 
HAZARD CODES

RISK PHRASES

 36

SAFETY PHRASES

 26

 

PACKING

 

 

PRICE INFORMATION