L-Ornithine

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Names

[ CAS No. ]:
70-26-8

[ Name ]:
L-Ornithine

[Synonym ]:
Ornithine, L- (8CI)
ORNITHINE, L-
2,5-diaminopentanoic acid
(S)-ornithine
(S)-2,5-Diaminopentanoic acid
4-04-00-02644 (Beilstein Handbook Reference)
5-Amino-L-norvaline
Orn
(+)-S-Ornithine
L-(+)-Ornithine
L-Ornithine
EINECS 200-731-7
L,5 diaminopentanoic acid
(S)-a,d-Diaminovaleric Acid
(2S)-2,5-diaminopentanoic acid
Ornithine
(S)-2,5-Diaminovaleric acid
MFCD00242584
(2S)-2,5-diaminovaleric acid

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
308.7±32.0 °C at 760 mmHg

[ Melting Point ]:
140ºC

[ Molecular Formula ]:
C5H12N2O2

[ Molecular Weight ]:
132.161

[ Flash Point ]:
140.5±25.1 °C

[ Exact Mass ]:
132.089874

[ PSA ]:
89.34000

[ LogP ]:
-0.96

[ Vapour Pressure ]:
0.0±1.4 mmHg at 25°C

[ Index of Refraction ]:
1.508

[ Storage condition ]:
2~8°C

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
RM2980820
CHEMICAL NAME :
Ornithine, L-
CAS REGISTRY NUMBER :
70-26-8
BEILSTEIN REFERENCE NO. :
1722298
LAST UPDATED :
199701
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C5-H12-N2-O2
MOLECULAR WEIGHT :
132.19

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :
Sister chromatid exchange
TEST SYSTEM :
Human Lymphocyte
DOSE/DURATION :
10 mg/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 372,75,1996 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2605 No. of Facilities: 420 (estimated) No. of Industries: 1 No. of Occupations: 5 No. of Employees: 3259 (estimated) No. of Female Employees: 2648 (estimated)

Safety Information

[ Hazard Codes ]:
T,N

[ Risk Phrases ]:
R23/25:Toxic by inhalation and if swallowed . R33:Danger of cumulative effects. R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .

[ Safety Phrases ]:
S20/21-S28-S45-S60-S61

[ RIDADR ]:
UN 2810 6.1/PG 2

[ WGK Germany ]:
3

[ Packaging Group ]:
II

[ Hazard Class ]:
6.1

[ HS Code ]:
2922499990

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • L(+)-Ornithine hydrochloride
  • L-arginine
  • cyclo(-ΔOrn(Boc)-L-Ala-)
  • N5-Acetyl-N5-benzyloxy-L-ornithin

DownStream

  • 3-Amino-2-piperidinone
  • H-Orn(Z)-OH
  • L-Citruline
  • N'-Fmoc-L-ornithine
  • L-arginine
  • 3-Methylbutanoic acid
  • Carbon dioxide
  • Ammonia
  • Nicotinamide
  • ZL-Orn(Z)-OH

Customs

[ HS Code ]: 2922499990

[ Summary ]:
HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

Related Compounds

  • L-Ornithine
  • L-Ornithine2HCl
  • L-Ornithine HCl
  • Cbz-L-ornithine
  • POLY-L-ORNITHINE
  • ACETYL-L-ORNITHINE
  • O-[2-(2-fluoro-3-nitrophenyl)-2-methylpropyl]hydroxylamine
  • (3S)-3-(2-fluoro-3-nitrophenyl)-3-hydroxypropanoic acid
  • 2-Fluoro-2-(2-fluoro-3-nitrophenyl)ethan-1-amine
  • [1-(1H-indol-4-yl)-2,2-dimethylcyclopropyl]methanol
  • 4-[(1H-indol-4-yl)methyl]piperidin-4-ol
  • methyl 3-amino-2-(1H-indol-4-yl)propanoate
  • 5-[1-(2-Aminoethyl)cyclopropyl]-2-methylphenol
  • 5-(1-Ethynylcyclopropyl)-3-methoxybenzene-1,2-diol
  • 4-{[(Tert-butoxy)carbonyl]amino}-3-(2-methoxyphenyl)-3-methylbutanoic acid
  • 1-[(Tert-butoxy)carbonyl]-3-(2,2,2-trifluoroethoxy)piperidine-2-carboxylic acid
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