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PHENYLSELENYL BROMIDE

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PHENYLSELENYL BROMIDE Basic information

Product Name:
PHENYLSELENYL BROMIDE
Synonyms:
  • Phenylselenenylbromide,98%
  • Benzeneselenenic acid bromide
  • Phenylbromo selenide
  • Phenylbromoselenium
  • Phenylseleno bromide
  • Phenylselenyl bromide,98%
  • Benzeneselenenyl bromide, Benzeneselenyl bromide
  • Phenylselenyl bromide,Benzeneselenenyl bromide, Benzeneselenyl bromide
CAS:
34837-55-3
MF:
C6H5BrSe
MW:
235.97
EINECS:
252-238-1
Product Categories:
  • Classes of Metal Compounds
  • Se (Selenium) Compounds
  • Semimetal Compounds
Mol File:
34837-55-3.mol
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PHENYLSELENYL BROMIDE Chemical Properties

Melting point:
58-62 °C (lit.)
Boiling point:
107-108 °C/15 mmHg (lit.)
Flash point:
107-108°C/15mm
storage temp. 
2-8°C
solubility 
Soluble in toluene, very faint turbidity.
form 
solid
color 
Orange to Brown to Dark purple
Sensitive 
Moisture Sensitive
BRN 
2039772
Exposure limits
ACGIH: TWA 0.2 mg/m3
NIOSH: IDLH 1 mg/m3; TWA 0.2 mg/m3
InChIKey
LCEFEIBEOBPPSJ-UHFFFAOYSA-N
CAS DataBase Reference
34837-55-3(CAS DataBase Reference)
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Safety Information

Hazard Codes 
T,N
Risk Statements 
23/25-33-50/53
Safety Statements 
20/21-28-45-60-61
RIDADR 
UN 2928 6.1/PG 2
WGK Germany 
3
10-21
HazardClass 
6.1
PackingGroup 
II
HS Code 
29319090

MSDS

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PHENYLSELENYL BROMIDE Usage And Synthesis

Chemical Properties

dark brownish to black crystals

Uses

Employed in the synthesis of enones by selenenylation of α-cyano ketones with lithium naphthalenide. Phenylselenyl bromide was used in the preparation of exo-2-methyl-7-phenylselenyl-octahydro-8-oxa-2,7b-diaza-dicyclopenta[a,e]pentalene-1,3-dione and endo-2-methyl-7-phenylselanyl-octahydro-8-oxa-2,7b-diaza-dicyclopenta[a,e]pentalene-1,3-dione.

Purification Methods

Distil it in a vacuum, recrystallise it from pet ether, CHCl3 (EtOH free), or Et2O (cooling mixture) to give dark red or orange crystals. These sublime at 25o/0.001mm [Behaghel et al. Chem Ber 65 815 1932, Pitteloud & Petrzilka Helv Chim Acta 62 1319 1979]. [Beilstein 6 III 1111.] HIGHLY TOXIC.

PHENYLSELENYL BROMIDESupplier

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