Cystamine dihydrochloride

胱胺二盐酸盐

Also known as: 2,2'-Dithiobis(ethylamine) dihydrochloride, Decarboxycystine dihydrochloride, Bis(2-aminoethyl) disulfide dihydrochloride, 2,2'-Diaminodiethyl disulfide dihydrochloride, 2,2'-Disulfanediyldiethanamine dihydrochloride, Cystamine dihydrochloride (2:1)

Cystamine dihydrochloride (CAS 56-17-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H14Cl2N2S2 and a molecular weight of 225.203 g/mol. It is also known as 2,2'-Dithiobis(ethylamine) dihydrochloride, Decarboxycystine dihydrochloride and Bis(2-aminoethyl) disulfide dihydrochloride. Key properties include a melting point of 217-220 °C (dec.)(lit.), a boiling point of 264.8ºC at 760mmHg and a density of 1.172g/cm3. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
56-17-7
Jingsj CID
J-976887-5
Molecular Formula
C4H14Cl2N2S2
Chinese Name
胱胺二盐酸盐
Molecular Weight
225.203 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point217-220 °C (dec.)(lit.)
Boiling Point264.8ºC at 760mmHg
Density1.172g/cm3

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Cystamine dihydrochloride?

The CAS number of Cystamine dihydrochloride is 56-17-7.

What are the molecular formula and molecular weight of Cystamine dihydrochloride?

Cystamine dihydrochloride has molecular formula C4H14Cl2N2S2 and molecular weight 225.203 g/mol.

Is Cystamine dihydrochloride hazardous?

Cystamine dihydrochloride has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Cystamine dihydrochloride (CAS 56-17-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-976887-5 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.