L(+)-Ornithine hydrochloride

Modify Date: 2026-07-02 10:36:57

L(+)-Ornithine hydrochloride Structure
L(+)-Ornithine hydrochloride structure
Common Name L(+)-Ornithine hydrochloride
CAS Number 3184-13-2 Molecular Weight 168.622
Density 1.57 Boiling Point 308.7ºC at 760 mmHg
Molecular Formula C5H13ClN2O2 Melting Point 245 °C (dec.)(lit.)
MSDS Chinese USA Flash Point 140.5ºC

 Use of L(+)-Ornithine hydrochloride


L-Ornithine Hydrochloride is a free amino acid that plays a central role in the urea cycle and is also important for the disposal of excess nitrogen.

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name L(+)-Ornithine hydrochloride
Synonym More Synonyms

 L(+)-Ornithine hydrochloride Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description L-Ornithine Hydrochloride is a free amino acid that plays a central role in the urea cycle and is also important for the disposal of excess nitrogen.
Related Catalog
Target

Human Endogenous Metabolite

References

[1]. Demura S, et al. Effect of L-ornithine hydrochloride ingestion on intermittent maximal anaerobic cycle ergometer performance and fatigue recovery after exercise. Eur J Appl Physiol. 2011 Nov;111(11):2837-43.

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.57
Boiling Point 308.7ºC at 760 mmHg
Melting Point 245 °C (dec.)(lit.)
Molecular Formula C5H13ClN2O2
Molecular Weight 168.622
Flash Point 140.5ºC
Exact Mass 168.066559
PSA 89.34000
LogP 1.33980
Index of Refraction 24 ° (C=4, 6mol/L HCl)
InChIKey GGTYBZJRPHEQDG-WCCKRBBISA-N
SMILES Cl.NCCCC(N)C(=O)O

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
RM2985000
CHEMICAL NAME :
Ornithine, monohydrochloride, L-
CAS REGISTRY NUMBER :
3184-13-2
LAST UPDATED :
199701
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C5-H12-N2-O2.Cl-H
MOLECULAR WEIGHT :
168.65
WISWESSER LINE NOTATION :
Z3YZVQ &GH -L

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
10 gm/kg
TOXIC EFFECTS :
Behavioral - altered sleep time (including change in righting reflex) Behavioral - ataxia Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
JPMSAE Journal of Pharmaceutical Sciences. (American Pharmaceutical Assoc., 2215 Constitution Ave., NW, Washington, DC 20037) V.50- 1961- Volume(issue)/page/year: 62,49,1973 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4776 No. of Facilities: 162 (estimated) No. of Industries: 2 No. of Occupations: 6 No. of Employees: 2955 (estimated) No. of Female Employees: 2312 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
Risk Phrases R36/37/38
Safety Phrases S24/25
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS RM2985000
HS Code 2922499990

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~%

L(+)-Ornithine hydrochloride Structure

L(+)-Ornithine ...

CAS#:3184-13-2

Learn More
Literature: European Journal of Organic Chemistry, , # 21 p. 4391 - 4396

~%

L(+)-Ornithine hydrochloride Structure

L(+)-Ornithine ...

CAS#:3184-13-2

Learn More
Literature: European Journal of Organic Chemistry, , # 21 p. 4391 - 4396

~%

L(+)-Ornithine hydrochloride Structure

L(+)-Ornithine ...

CAS#:3184-13-2

Learn More
Literature: Siebum, Arjan H. G.; Tsang, Robert K. F.; Van Der Steen, Rob; Raap, Jan; Lugtenburg, Johan European Journal of Organic Chemistry, 2004 , # 21 p. 4391 - 4396

~%

L(+)-Ornithine hydrochloride Structure

L(+)-Ornithine ...

CAS#:3184-13-2

Learn More
Literature: Journal of Chemical Thermodynamics, , vol. 25, # 2 p. 293 - 305

 Preparation

This table records publicly available preparation methods, process key points and operation references.

3184-13-2 preparation

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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%

 Articles48

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Increased ornithine-derived polyamines cause airway hyperresponsiveness in a mouse model of asthma.

Am. J. Respir. Cell. Mol. Biol. 48(6) , 694-702, (2013)

Up-regulation of arginase contributes to airways hyperresponsiveness (AHR) in asthma by reducing L-arginine bioavailability for the nitric oxide (NO) synthase isozymes. The product of arginase activit...

Microbacterium kyungheense sp. nov. and Microbacterium jejuense sp. nov., isolated from salty soil.

Int. J. Syst. Evol. Microbiol. 64(Pt 7) , 2267-73, (2014)

Two novel strains, THG-C26(T) and THG-C31(T), were characterized using a polyphasic approach to determine their taxonomic positions. These two isolates were aerobic, Gram-stain-positive, non-motile, n...

Treatment of arginase deficiency revisited: guanidinoacetate as a therapeutic target and biomarker for therapeutic monitoring.

Dev. Med. Child Neurol. 56(10) , 1021-4, (2014)

Hyperargininaemia is a disorder of the last step of the urea cycle. It is an autosomal recessive disease caused by deficiency of liver arginase-1 and usually presents later in childhood with progressi...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

L-Ornithine, monohydrochloride
H-Orn-OH.HCl
L-Orn hydrochloride
(2S)-2,5-diaminopentanoic acid hydrochloride
L-Ornithine monohydrochloride
L-Ornithine HCl
(S)-2,5-Diaminovaleric acid monohydrochloride
D-ORNITHINE HCL
L(+)-Ornithinehydrochloride
H-Orn-OH·HCl
(S)-2,5-Diaminopentanoic acid monohydrochloride
D-ORN,HCL
MFCD00012917
H-D-ORN HCL
L-ORN HCL
ORNITHINE HCL
L(+)-Ornithine Hydrochloride
L-Ornithine hydrochloride (1:1)
H-L-ORN-OH HCL
Z3YZVQ &&L or S Form HCl
(S)-(+)-2,5-Diaminopentanoic acid hydrochloride
H-D-ORN-OH HCL
(S)-2,5-Diaminopentanoic acid hydrochloride
L-Ornithine, hydrochloride (1:1)
EINECS 240-729-3
L-ornithine hydrochloride
Guanine Hydrochloride

 L(+)-Ornithine hydrochloride | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the SMILES notation of L(+)-Ornithine hydrochloride?
A: SMILES notation of L(+)-Ornithine hydrochloride is Cl.NCCCC(N)C(=O)O.
Q: What is the English name of L(+)-Ornithine hydrochloride?
A: The English name of L(+)-Ornithine hydrochloride is L(+)-Ornithine hydrochloride.
Q: What is the LogP of L(+)-Ornithine hydrochloride?
A: LogP of L(+)-Ornithine hydrochloride is 1.33980.
Q: What are the downstream products of L(+)-Ornithine hydrochloride?
A: Related downstream products(CAS) of L(+)-Ornithine hydrochloride: 31967-09-6;34294-79-6;3304-51-6;372-75-8;147071-84-9;40216-82-8;42538-31-8;92235-39-7;2274-58-0;841-67-8.
Q: What is the InChIKey of L(+)-Ornithine hydrochloride?
A: InChIKey of L(+)-Ornithine hydrochloride is GGTYBZJRPHEQDG-WCCKRBBISA-N.
Q: What is the safety information for L(+)-Ornithine hydrochloride?
A: Safety information for L(+)-Ornithine hydrochloride: S24/25.
Q: What is the polar surface area (PSA) of L(+)-Ornithine hydrochloride?
A: Polar surface area (PSA) of L(+)-Ornithine hydrochloride is 89.34000.
Q: How is L(+)-Ornithine hydrochloride prepared?
A: Preparation method for L(+)-Ornithine hydrochloride: .
Q: What is the molecular weight of L(+)-Ornithine hydrochloride?
A: Molecular weight of L(+)-Ornithine hydrochloride is 168.622.
Q: What are the uses of L(+)-Ornithine hydrochloride?
A: Main uses of L(+)-Ornithine hydrochloride: L-Ornithine Hydrochloride is a free amino acid that plays a central role in the urea cycle and is also important for the disposal of excess nitrogen.

 L(+)-Ornithine hydrochloridefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.