DL-Lysine

Also known as: (±)-2,6-Diaminohexanoic Acid, DL-2,6-Diaminohexanoic Acid, H-DL-Lys-OH, Lysine, DL-, rac-(S*)-2,6-Diaminohexanoic acid, DL-α,ε-Diaminocaproic Acid, MFCD00064432, EINECS 200-740-6, (±)-Lysine, DL-Lysin, Lysine (9CI)

DL-Lysine (CAS 70-54-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H14N2O2 and a molecular weight of 146.188 g/mol. Key properties include a melting point of 170ºC (dec.), a boiling point of 311.5±32.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 142.2±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 70-54-2
Jingsj CID: J-23205-3
Molecular Formula: C₆H₁₄N₂O₂
Molecular Weight: 146.188 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	170ºC (dec.)
Boiling Point	311.5±32.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	142.2±25.1 °C
Exact Mass	146.105530
PSA	89.34000
LogP	-1.04
Vapor Pressure	0.0±1.4 mmHg at 25°C
Refractive Index	1.503

Activity & Biological Data

Target	Km: 100-400 μM (amino acid transporter b0,+)[1]
Additional Information	[1]. Nguyen TV, et al. PEPT1 enhances the uptake of gabapentin via trans-stimulation of b0,+ exchange. Pharm Res. 2007 Feb;24(2):353-60.

Customs & Trade Information

HS Code	2922411000
Summary	HS: 2922411000. 2,6-diaminohexanoic acid. VAT:17.0%. tax rebate rate:9.0%. supervision conditions:ab(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tarrif:5.0%. general tariff:20.0%

Frequently Asked Questions

What is the CAS number of DL-Lysine?

The CAS number of DL-Lysine is 70-54-2.

What are the molecular formula and molecular weight of DL-Lysine?

DL-Lysine has molecular formula C6H14N2O2 and molecular weight 146.188 g/mol.

What are the upstream and downstream products of DL-Lysine?

For DL-Lysine, Upstream Products: DL-6-Hydroxynorleucine, 2-cyanopyridine; Downstream Products: alpha,epsilon-Dibenzoyl-DL-lysine, 1,5-Diaminopentane, Glutaric acid.

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. "DL-Lysine (CAS 70-54-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23205-3 (accessed 2026-11-09).

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