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L-Ornithine

CAS No.
70-26-8
Chemical Name:
L-Ornithine
Synonyms
ORNITHINE;2,5-diaminopentanoic acid;Arginine EP Impurity C;Ornithine Phenylacetate;(S)-2,5-Diaminovaleric acid;H-Orn-OH;L-ORNITHINE;vL-Ornithine;laevo-ornithine;L-ORNITHINE,0.98
CBNumber:
CB2199856
Molecular Formula:
C5H12N2O2
Molecular Weight:
132.16
MDL Number:
MFCD00242584
MOL File:
70-26-8.mol
MSDS File:
SDS
Last updated:2024-11-22 13:59:06

L-Ornithine Properties

Melting point 140°C
Boiling point 244.08°C (rough estimate)
alpha D25 +11.5° (c = 6.5)
Density 1.1740 (rough estimate)
refractive index 1.4496 (estimate)
storage temp. under inert gas (nitrogen or Argon) at 2–8 °C
solubility Water: 50 mg/mL (378.33 mM); DMSO: < 1 mg/mL (insoluble or slightly soluble)
pka 1.705(at 25℃)
form Solid
color White to off-white
PH 9.70
optical activity +12.125 (H2O) +28.425 (5 mol dm-3 HCl)
InChI InChI=1S/C5H12N2O2/c6-3-1-2-4(7)5(8)9/h4H,1-3,6-7H2,(H,8,9)/t4-/m0/s1
InChIKey AHLPHDHHMVZTML-BYPYZUCNSA-N
SMILES C(O)(=O)[C@H](CCCN)N
LogP -4.220
CAS DataBase Reference 70-26-8(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII E524N2IXA3
EPA Substance Registry System L-Ornithine (70-26-8)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P305+P351+P338
Toxicity sce-hmn-lym 10 mg/L MUREAV 372,75,1996

L-Ornithine price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
ChemScene CS-4817 L-Ornithine ≥98.0% 70-26-8 500mg $80 2021-12-16 Buy
ChemScene CS-4817 L-Ornithine ≥98.0% 70-26-8 100mg $50 2021-12-16 Buy
American Custom Chemicals Corporation AAA0002619 L-ORNITHINE 95.00% 70-26-8 1G $605.15 2021-12-16 Buy
American Custom Chemicals Corporation AAA0002619 L-ORNITHINE 95.00% 70-26-8 5G $859.9 2021-12-16 Buy
American Custom Chemicals Corporation AAA0002619 L-ORNITHINE 95.00% 70-26-8 100G $957 2021-12-16 Buy
Product number Packaging Price Buy
CS-4817 500mg $80 Buy
CS-4817 100mg $50 Buy
AAA0002619 1G $605.15 Buy
AAA0002619 5G $859.9 Buy
AAA0002619 100G $957 Buy

L-Ornithine Chemical Properties,Uses,Production

Chemical Properties

Crystals from alcoholether. Soluble in water and alcohol.

Uses

Biochemical research; medicine.

Uses

hepatoprotectant, anticholesteremic

Definition

ChEBI: An optically active form of ornithine having L-configuration.

Synthesis Reference(s)

Canadian Journal of Chemistry, 31, p. 1060, 1953 DOI: 10.1139/v53-139

Safety Profile

Mutation data reported. When heated to decomposition it emits toxic vapors of NOx.

Purification Methods

Crystallise L-ornithine from water containing 1mM EDTA (to remove metal ions). [Perrin J Chem Soc 3125 1958, Rivard Biochemical Preparations 3 97 1955, Greenstein & Winitz The Chemistry of the Amino Acids J. Wiley, Vol 3 pp 2477-2491 1961, Beilstein 4 III 1346, 4 IV 2644.]

L-Ornithine Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 248)Suppliers
Supplier Tel Email Country ProdList Advantage
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View Lastest Price from L-Ornithine manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
L-Ornithine pictures 2024-11-25 L-Ornithine
70-26-8
US $180.00 / kg 1kg 99% 20ton Hebei Zhuanglai Chemical Trading Co.,Ltd
L-Ornithine pictures 2024-11-22 L-Ornithine
70-26-8
US $10.00 / KG 1KG 99% 100 mt Hebei Weibang Biotechnology Co., Ltd
L-Ornithine pictures 2024-11-19 L-Ornithine
70-26-8
US $46.00-33.00 / mg 99.83% 10g TargetMol Chemicals Inc.
  • L-Ornithine pictures
  • L-Ornithine
    70-26-8
  • US $180.00 / kg
  • 99%
  • Hebei Zhuanglai Chemical Trading Co.,Ltd
  • L-Ornithine pictures
  • L-Ornithine
    70-26-8
  • US $10.00 / KG
  • 99%
  • Hebei Weibang Biotechnology Co., Ltd
  • L-Ornithine pictures
  • L-Ornithine
    70-26-8
  • US $46.00-33.00 / mg
  • 99.83%
  • TargetMol Chemicals Inc.
L-ORNITHINE (2S)-2,5-Diaminopentanoic acid 5-Amino-L-norvaline Arginine Impurity 3(Arginine EP Impurity C)(Ornithine) L-Ornithine USP/EP/BP L-ORNITHINE,0.98 Lysine acetate EP Impurity E laevo-ornithine TIANFU-CHEM_L-Ornithine,cas:70-26-8 (S)-2,5-Diaminovaleric acid ORNITHINE 2,5-diaminopentanoic acid Ornithine Phenylacetate Arginine EP Impurity C vL-Ornithine Ornithine,L-Ornithine,Ornithinum, BRN 1722298 L-Ornithine ((S)-2,5-Diaminopentanoic acid) H-Orn-OH L-Ornithine(Arginine EP Impurity C) L-Ornithine,FMOC-ORN(BOC)-OPFP 70-26-8 Inhibitors Amino Acids Nutritional Supplements