D-Penicillamine disulfide

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. 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. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

20902-45-8

Jingsj CID

J-50031-2

Molecular Formula

C₁₀H₂₀N₂O₄S₂

Molecular Weight

296.40700 g/mol

Category

Organic Bases

Last updated

8/21/2026