Dimethyldiselenide
[CAS# 7101-31-7]

Identification

• Classification: Chemical reagent >> Organic reagent >> Selenium compound
• Name: Dimethyldiselenide
• Molecular Formula: C₂H₆Se₂
• Molecular Weight: 187.99
• CAS Registry Number: 7101-31-7
• EC Number: 230-410-7

Properties

• Density: 1.987
• Boiling point: 155-157 °C
• Refractive index: 1.6362
• Flash point: 60 °C

Safety Data

• Hazard Symbols: T;N
• Risk Statements: R23/25;R33;R50/53
• Safety Statements: S20/21;S28A;S45;S60;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	3	H226
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Acute toxicity	Acute Tox.	3	H331
Acute toxicity	Acute Tox.	3	H301
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Acute toxicity	Acute Tox.	2	H330
Acute toxicity	Acute Tox.	2	H310
Acute toxicity	Acute Tox.	2	H300
Acute toxicity	Acute Tox.	3	H311

• Transport Information: UN 2929