D-Arginine
Also known as: D(-)-Arginine, D-2-Amino-5-guanidinovaleric acid, (R)-2-Amino-5-guanidinopentanoic acid, H-D-Arg-OH, D-Arg-OH, D-Arginine base, R-(-)-Arginine
D-Arginine (CAS 157-06-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H14N4O2 and a molecular weight of 174.201 g/mol. Key properties include a melting point of 221-224ºC, a boiling point of 367.6±52.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 176.1±30.7 °C. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 157-06-2
- Jingsj CID
- J-31681-4
- Molecular Formula
- C6H14N4O2
- Molecular Weight
- 174.201 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 221-224ºC |
|---|---|
| Boiling Point | 367.6±52.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 176.1±30.7 °C |
| Exact Mass | 174.111679 |
| PSA | 125.22000 |
| LogP | -1.79 |
| Vapor Pressure | 0.0±1.8 mmHg at 25°C |
| Refractive Index | 1.601 |
GHS Safety & Compliance
- H319 — Causes serious eye irritation
Activity & Biological Data
| Additional Information | [1]. Eduardo Navarro , et al. Toxicological and Pharmacological Effects of D-arginine. Basic Clin Pharmacol Toxicol. 2005 Sep;97(3):149-54. |
|---|
Customs & Trade Information
| HS Code | 2925290090 |
|---|---|
| Summary | 2925290090 other imines and their derivatives; salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of D-Arginine?
The CAS number of D-Arginine is 157-06-2.
What are the molecular formula and molecular weight of D-Arginine?
D-Arginine has molecular formula C6H14N4O2 and molecular weight 174.201 g/mol.
Is D-Arginine hazardous?
D-Arginine has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation.
What are the upstream and downstream products of D-Arginine?
For D-Arginine, Upstream Products: DL-Arginine, Nalpha-acetyl-D-arginine dihydrate; Downstream Products: L-Ornithine, Urea, 5-Aminovaleric acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "D-Arginine (CAS 157-06-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31681-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.