Butyl selenomercaptan

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Structural formula
Structural formula of butyl selenomercaptan
General
Surname Butyl selenomercaptan
other names

Butyl selenol

Molecular formula C 4 H 10 Se
External identifiers / databases
CAS number 16645-08-2
PubChem 5255143
Wikidata Q130175
properties
Molar mass 137.08 g mol −1
Physical state

liquid

density

1.24 g cm −3

boiling point

114 ° C

safety instructions
GHS hazard labeling from  Regulation (EC) No. 1272/2008 (CLP) , expanded if necessary
06 - Toxic or very toxic 08 - Dangerous to health 09 - Dangerous for the environment

danger

H and P phrases H: 331-301-373-410
P: ?
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Butylselenomercaptan is an organic chemical compound of selenium and the selenium analogue of butanol .

Extraction and presentation

Butyl selenomercaptan can be obtained by reacting sodium hydrogen selenide solution with butyl chloride or bromide .

properties

Butyl selenomercaptan is a very bad smelling liquid. The smell is reminiscent of a combination of rotting cabbage, garlic, onions, burnt toast and digester gas. Like almost all thiols and selenols , butylselenol reacts as a very weak acid .

Individual evidence

  1. a b c L. Tschugaeff: About selenomercaptans and some derivatives of the same. In: Reports of the German Chemical Society, 42, 1909, pp. 49–54, doi : 10.1002 / cber.19090420107 .
  2. Entry on selenium compounds in the GESTIS substance database of the IFA , accessed on February 1, 2016(JavaScript required) .
  3. Not explicitly listed in Regulation (EC) No. 1272/2008 (CLP) , but with the specified labeling falls under the group entry selenium compounds with the exception of cadmium sulfoselenide, unless specifically listed in this appendix in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA ), accessed on February 1, 2016. Manufacturers or distributors can expand the harmonized classification and labeling .