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Phenylselenenyl bromide, 98% - CAS 34837-55-3 - Formula C6H5BrSe

A11906 34837-55-3 Phenylselenenyl bromide, 98% Benzeneselenenyl bromide Alfa Aesar


Certificate of Analysis

Phenylselenenyl bromide, 98%

CAS: 34837-55-3 MDL: MFCD00000047  EINECS: 252-238-1
UN#:UN2928Hazard Class:6.1Packing Group:II
Alternate Name: Benzeneselenenyl bromide


Pricing and Availability

Size ($) Price Your Price Quantity Options Availability
1g 17.90 Check Availability Add to Favorites Enter qty and click checkbox
5g 55.70 Check Availability Add to Favorites Enter qty and click checkbox
25g 191.00 Check Availability Add to Favorites Enter qty and click checkbox

Chemical Properties

Formula: C6H5BrSe  Boiling point: 107-108°/15mm
Formula weight: 235.98  Sensitivity: Moisture Sensitive
Melting point: 56-62° 

Literature References

Reagent for the introduction of the phenylseleno group. Compare following entry (phenylselenenyl chloride) and Diphenyl­ diselenide, A13919.

Addition to alkenes gives the kinetic product at low temperature in THF but the thermodynamic product at room temperature in acetonitrile: J. Org. Chem., 42, 2950 (1977):

Other References

Beilstein: 2039772
UN#: UN2928
Harmonized Tariff Code: 2931.90

GHS Hazard and Precautionary Statements

Hazard Statements : H301-H331-H373-H400-H410

Toxic if swallowed. Toxic if inhaled. May cause damage to organs through prolonged or repeated exposure. Very toxic to aquatic life. Very toxic to aquatic life with long lasting effects.

Precautionary Statements : P260-P261-P301+P310-P304+P340-P405-P501A

Do not breathe dust/fume/gas/mist/vapours/spray. Avoid breathing dust/fume/gas/mist/vapours/spray. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

ToxicHealth HazardDangerous for the environment

Risk & Safety

Risk Phrases: 23/25-33-50/53
Toxic by inhalation and if swallowed. Danger of cumulative effects. Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Phrases: 20/21-28-45-60-61
When using do not eat, drink or smoke. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). This material and/or its container must be disposed of as hazardous waste. Avoid release to the environment. Refer to special instructions/Safety data sheets
Toxic Dangerous for the environment