1,9-Nonanedithiol
[CAS# 3489-28-9]

Identification

• Classification: Chemical reagent >> Organic reagent >> Thiol salt
• Name: 1,9-Nonanedithiol
• Synonyms: 1,9-Dimercaptononane
• Molecular Formula: C₉H₂₀S₂
• Molecular Weight: 192.38
• CAS Registry Number: 3489-28-9
• EC Number: 222-482-3
• FEMA: 3513

Properties

• Density: 0.95
• Boiling point: 284 ºC
• Refractive index: 1.496-1.506
• Flash point: 101 ºC
• Water solubility: insoluble

Safety Data

• Hazard Symbols: Xn
• Risk Codes: R22;R36/37/38
• Safety Description: S26;S37/39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319