L-Ornithine

Chemical Properties Uses

Product Name: 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
Formula Weight: 132.16
MOL File: 70-26-8.mol

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L-Ornithine Property

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)
EPA Substance Registry System: L-Ornithine (70-26-8)

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Safety

Toxicity: sce-hmn-lym 10 mg/L MUREAV 372,75,1996

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

ChemScene

Product number: CS-4817
Product name: L-Ornithine
Purity: ≥98.0%
Packaging: 500mg
Price: $80
Updated: 2021/12/16

ChemScene

Product number: CS-4817
Product name: L-Ornithine
Purity: ≥98.0%
Packaging: 100mg
Price: $50
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: AAA0002619
Product name: L-ORNITHINE
Purity: 95.00%
Packaging: 1G
Price: $605.15
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: AAA0002619
Product name: L-ORNITHINE
Purity: 95.00%
Packaging: 5G
Price: $859.9
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: AAA0002619
Product name: L-ORNITHINE
Purity: 95.00%
Packaging: 100G
Price: $957
Updated: 2021/12/16

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L-Ornithine Chemical Properties,Usage,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

Eflornithine

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L-Ornithine Suppliers

Canada 1 China 195 Europe 1 Germany 1 India 11 United Kingdom 6 United States 32 USA 1 Global 248

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View Lastest Price from L-Ornithine manufacturers

Hebei Weibang Biotechnology Co., Ltd

Product: L-Ornithine 70-26-8
Price: US $10.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 100 mt
Release date: 2024-11-22

Hebei Zhuanglai Chemical Trading Co.,Ltd

Product: L-Ornithine 70-26-8
Price: US $180.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 20ton
Release date: 2024-04-23

Hebei Chuanghai Biotechnology Co,.LTD

Product: L-Ornithine 70-26-8
Price: US $60.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 5000kg
Release date: 2024-08-22

70-26-8, L-OrnithineRelated Search:

Ethyl 2-(Chlorosulfonyl)acetate Lithium diisopropylamide 5-AMINOVALERIC ACID N,N-Dimethyl-1,4-phenylenediamine 4,4'-Methylenedianiline Iminodiacetic acid 4,4'-Diaminodiphenylsulfone Folic acid Iminodiacetonitrile Ascoric Acid L-Glutamine L-Arginine L-glutamate TOS-ARG-OH N-ALPHA-BENZOYL-L-ARGININE L(+)-Arginine N-ALPHA-ACETYL-L-ARGININE N5-[IMINO(NITROAMINO)METHYL]-L-ORNITHINE,N5-[IMINO(NITROAMINO)METHYL]-L-ORNITHINE Ethyl N-benzoyl-L-argininate hydrochloride

(S)-2,5-Diaminovaleric acid

ORNITHINE

L-ORNITHINE

2,5-diaminopentanoic acid

(2S)-2,5-Diaminopentanoic acid

5-Amino-L-norvaline

Ornithine Phenylacetate

Arginine EP Impurity C

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

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