Di-2-pyridyl disulfide N,N'-dioxide
[CAS# 3696-28-4]

Identification

• Classification: Pharmaceutical intermediate >> Heterocyclic compound intermediate >> Pyridine compound >> Pyridine derivative
• Name: Di-2-pyridyl disulfide N,N'-dioxide
• Synonyms: Dipyrithione; NSC 241716; NSC 677437; NSC 84740; OMDS; OSY 20; Omadine DS; Omadine disulfide; Pyrion disulfide; Pyrithione disulfide; bispyrithione
• Molecular Formula: C₁₀H₈N₂O₂S₂
• Molecular Weight: 252.31
• CAS Registry Number: 3696-28-4
• EC Number: 223-024-5

Properties

• Solubility: Slightly soluble (7.1 g/L) (25 ºC), Calc.^*
• Density: 1.38±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 235-237 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2015 ACD/Labs)

^** Barton, Derek H. R.; Tetrahedron 1988, V44(24), P7385-92.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400