Back أوكسي كلوريد السيلينيوم Arabic سلنیوم اوکسیدیکولورید AZB Selenoxidchlorid German سلنیم اکسیدیکلرید Persian Seleenoxydichloride Dutch Оксихлорид селена Russian Selen oksidihlorid Serbo-Croatian Selen oksidihlorid Serbian செலீனியம் ஆக்சி இருகுளோரைடு Tamil 二氯氧化硒 Chinese

Selenium oxydichloride

Selenium oxydichloride
Structure of the selenium oxydichloride molecule
Structure of the selenium oxydichloride molecule
3D model of the selenium oxydichloride molecule
3D model of the selenium oxydichloride molecule
Names
IUPAC name
Selenium oxychloride
Other names
Seleninyl chloride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.029.313 Edit this at Wikidata
EC Number
  • 232-244-0
RTECS number
  • VS7000000
UNII
  • InChI=1S/Cl2OSe/c1-4(2)3 ☒N
    Key: LIRMPIXWGWLNND-UHFFFAOYSA-N ☒N
  • InChI=1/Cl2OSe/c1-4(2)3
    Key: LIRMPIXWGWLNND-UHFFFAOYAX
  • O=[Se](Cl)Cl
Properties
SeOCl2
Molar mass 165.87 g/mol
Appearance colorless liquid
Density 2.43 g/cm3, liquid
Melting point 10.9 °C (51.6 °F; 284.0 K)
Boiling point 177.2 °C (351.0 °F; 450.3 K)
1.651 (20 °C)
Structure
trigonal pyramidal
Hazards
GHS labelling:[2]
GHS05: CorrosiveGHS06: ToxicGHS08: Health hazardGHS09: Environmental hazard
Warning
H301, H314, H331, H373, H410
P260, P261, P264, P270, P271, P273, P280, P301+P310, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P311, P314, P321, P330, P363, P391, P403+P233, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
3
0
1
Lethal dose or concentration (LD, LC):
2 mg/kg (rabbit, dermal)[1]
Related compounds
Related compounds
 SOCl2, POCl3
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Selenium oxydichloride is the inorganic compound with the formula SeOCl2. It is a colorless liquid. With a high dielectric constant (55) and high specific conductance, it is an attractive solvent. Structurally, it is a close chemical relative of thionyl chloride SOCl2, being a pyramidal molecule.

  1. ^ "Selenium compounds (as Se)". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).
  2. ^ "Selenium oxychloride". pubchem.ncbi.nlm.nih.gov. Retrieved 12 December 2021.
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