Seleninyl dichloride
[CAS# 7791-23-3]

Identification

• Name: Seleninyl dichloride
• Synonyms: Selenium chloride oxide (SeCl2O); Selenium dichloride oxide; Selenium oxychloride (SeOCl2); Selenium oxydichloride; Selenyl dichloride (SeOCl2)
• Molecular Formula: SeOCl₂
• Molecular Weight: 165.87
• CAS Registry Number: 7791-23-3
• EC Number: 232-244-0

Properties

• Density: 2.44 g/cm³ (16 ºC)^*
• Melting point: 10.7-10.9 ºC^**
• Boiling point: 180 ºC^*
• Refractive index: 1.6516 (20 ºC)^***

^* "Hazardous Substances Data Bank" data were obtained from the National Library of Medicine (US)

^** Smith, G. B. L.; Inorganic syntheses. III 1950, P130-7.

^*** Lenher, Victor; Journal of the American Chemical Society 1921, V43, P29-35.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute toxicity	Acute Tox.	3	H331
Acute toxicity	Acute Tox.	3	H301
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400