L-Arginine hydrochloride

Also known as: L-Arginine monohydrochloride, Arginine hydrochloride, L-Arginine HCl, (2S)-2-Amino-5-guanidinopentanoic acid hydrochloride, (S)-Arginine hydrochloride, 2-Amino-5-guanidinovaleric acid monohydrochloride, H-Arg-OH.HCl, L-(+)-Arginine monohydrochloride, (S)-(+)-2-Amino-5-[(aminoiminomethyl)amino]pentanoic acid monohydrochloride, L-Arginine hydrochloride (1:1), Arginine HCL, Arginine Muriate, levargin, minophagena, anhydrous L-arginine monohydrochloride, arginine monohydrochloride, argivene, detoxargin

L-Arginine hydrochloride (CAS 1119-34-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H15ClN4O2 and a molecular weight of 210.662 g/mol. Key properties include a melting point of 226-230 °C(lit.), a boiling point of 409.1ºC at 760 mmHg, a density of 1.42 and a flash point of 201.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1119-34-2
Jingsj CID: J-35683-2
Molecular Formula: C₆H₁₅ClN₄O₂
Molecular Weight: 210.662 g/mol
Category: Organic Acids
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	226-230 °C(lit.)
Boiling Point	409.1ºC at 760 mmHg
Density	1.42
Flash Point	201.2ºC
Exact Mass	210.088348
PSA	125.22000
LogP	1.35480

Activity & Biological Data

Additional Information	[1]. Tapiero H, et al. I. Arginine. Biomed Pharmacother. 2002 Nov;56(9):439-45. [2]. Bakker J, et al. Administration of the nitric oxide synthase inhibitor NG-methyl-L-arginine hydrochloride (546C88) by intravenous infusion for up to 72 hours can promote the resolution of shock in patients with severe sepsis: results of a randomized, double-blind, placebo-controlled multicenter study (study no. 144-002). Crit Care Med. 2004 Jan;32(1):1-12. [3]. Yamada M, et al. Endothelial nitric oxide synthase-dependent cerebral blood flow augmentation by L-arginine after chronic statin treatment. J Cereb Blood Flow Metab. 2000 Apr;20(4):709-17.

Additional Information

[1]. Tapiero H, et al. I. Arginine. Biomed Pharmacother. 2002 Nov;56(9):439-45. [2]. Bakker J, et al. Administration of the nitric oxide synthase inhibitor NG-methyl-L-arginine hydrochloride (546C88) by intravenous infusion for up to 72 hours can promote the resolution of shock in patients with severe sepsis: results of a randomized, double-blind, placebo-controlled multicenter study (study no. 144-002). Crit Care Med. 2004 Jan;32(1):1-12. [3]. Yamada M, et al. Endothelial nitric oxide synthase-dependent cerebral blood flow augmentation by L-arginine after chronic statin treatment. J Cereb Blood Flow Metab. 2000 Apr;20(4):709-17.

Customs & Trade Information

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%

Frequently Asked Questions

What is the CAS number of L-Arginine hydrochloride?

The CAS number of L-Arginine hydrochloride is 1119-34-2.

What are the molecular formula and molecular weight of L-Arginine hydrochloride?

L-Arginine hydrochloride has molecular formula C6H15ClN4O2 and molecular weight 210.662 g/mol.

What are the upstream and downstream products of L-Arginine hydrochloride?

For L-Arginine hydrochloride, Downstream Products: L-Ornithine hydrochloride, Urea, L-Citrulline.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "L-Arginine hydrochloride (CAS 1119-34-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35683-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.