D-Penicillamine disulfide

D-青霉胺二硫化物

Also known as: 3,3'-Dithiobis-D-valine, Penicillamine disulfide, 3,3'-Dithiobis(2-amino-3-methylbutanoic acid), 3,3'-Dithiobis(2-amino-3-methylbutyric acid), S,S'-Bi(D-penicillamine), NSC 87505, D-Penicillamine disulphide, 3,3'-dithiodi-D-valine, D-Valine, 3,3'-dithiobis-, MFCD00004264, EINECS 244-107-2

D-Penicillamine disulfide (CAS 20902-45-8) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C10H20N2O4S2 and a molecular weight of 296.40700 g/mol. It is also known as 3,3'-Dithiobis-D-valine, Penicillamine disulfide and 3,3'-Dithiobis(2-amino-3-methylbutanoic acid). Key properties include a melting point of 204ºC (dec.)(lit.), a boiling point of 467ºC at 760mmHg, a density of 1.353g/cm3 and a flash point of 236.2ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
20902-45-8
Jingsj CID
J-50031-9
Molecular Formula
C10H20N2O4S2
Chinese Name
D-青霉胺二硫化物
Molecular Weight
296.40700 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point204ºC (dec.)(lit.)
Boiling Point467ºC at 760mmHg
Density1.353g/cm3
Flash Point236.2ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of D-Penicillamine disulfide?

The CAS number of D-Penicillamine disulfide is 20902-45-8.

What are the molecular formula and molecular weight of D-Penicillamine disulfide?

D-Penicillamine disulfide has molecular formula C10H20N2O4S2 and molecular weight 296.40700 g/mol.

Is D-Penicillamine disulfide hazardous?

D-Penicillamine disulfide 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. "D-Penicillamine disulfide (CAS 20902-45-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-50031-9 (accessed 2026-10-22).

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