L-Lysine dihydrochloride
L-赖氨酸二盐酸盐
Also known as: L-Lysine dihydrochloride, L-Lysine hydrochloride (1:2), (S)-2,6-Diaminohexanoic acid dihydrochloride, H-Lys-OH·2HCl, (2S)-2,6-Diaminohexanoic acid dihydrochloride, L-Lysine dichlorhydrate, Lysine dihydrochloride
L-Lysine dihydrochloride (CAS 657-26-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H16Cl2N2O2 and a molecular weight of 219.109 g/mol. It is also known as L-Lysine hydrochloride (1:2), (S)-2,6-Diaminohexanoic acid dihydrochloride and H-Lys-OH·2HCl. Key properties include a melting point of 200-206 °C(lit.), a boiling point of 311.5ºC at 760 mmHg and a flash point of 142.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 657-26-1
- Jingsj CID
- J-1065586-1
- Molecular Formula
- C6H16Cl2N2O2
- Chinese Name
- L-赖氨酸二盐酸盐
- Molecular Weight
- 219.109 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 200-206 °C(lit.) |
|---|---|
| Boiling Point | 311.5ºC at 760 mmHg |
| Flash Point | 142.2ºC |
Frequently Asked Questions
What is the CAS number of L-Lysine dihydrochloride?
The CAS number of L-Lysine dihydrochloride is 657-26-1.
What are the molecular formula and molecular weight of L-Lysine dihydrochloride?
L-Lysine dihydrochloride has molecular formula C6H16Cl2N2O2 and molecular weight 219.109 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "L-Lysine dihydrochloride (CAS 657-26-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1065586-1 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.