Alfa Aesar™ 3-Bromocyclohexene, 95%, stab. with 300-1000ppm Propylene oxide

Manufacturer: Alfa Aesar™ A1037014

Quantity 25g

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Catalog No. AAA1037014

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    Chemical Identifiers

    CAS 1521-51-3
    Molecular Formula C6H9Br
    Formula Weight 161.05g/mol
    MDL Number MFCD00013775
    UN Number UN1993
    Beilstein 635953
    Synonym 2-Cyclohexenyl bromide
    Chemical Name or Material 3-Bromocyclohexene, Stabilized with 300 to 1000ppm Propylene oxide

    Specifications

    Boiling Point 64° to 65°C (15mmHg)
    Quantity 25g
    Flash Point 54°C (129°F)
    CAS 1521-51-3
    Molecular Formula C6H9Br
    Formula Weight 161.05g/mol
    MDL Number MFCD00013775
    UN Number UN1993
    Beilstein 635953
    Synonym 2-Cyclohexenyl bromide
    Health Hazard 1 Warning
    Health Hazard 2 GHS H Statement
    H226-H315-H319-H335
    Flammable liquid and vapor.
    Causes skin irritation.
    Causes serious eye irritation.
    May cause respiratory irritation.
    Health Hazard 3 GHS P Statement
    P210-P261-P303+P361+P353-P305+P351+P338-P405-P501a
    Keep away from heat/sparks/open flames/hot surfaces.
    - No smoking.
    Avoid breathing dust/fume/gas/mist/vapors/spray.
    IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
    IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do.
    Continue rinsing.
    Store locked up.
    Dispose of contents/container in accordance with local/regional/national/international regulations.
    Recommended Storage 2°C to 8°C
    DOT Information Transport Hazard Class: 3; Packing Group: III; Proper Shipping Name: FLAMMABLE LIQUIDS, N.O.S.
    Chemical Name or Material 3-Bromocyclohexene, Stabilized with 300 to 1000ppm Propylene oxide
    Assay 95%

    Description

    Applications
    In peptide synthesis, can be used to protect the hydroxyl group of serine and threonine as the cyclohexyl (Chx) ether, by reaction with the sodium alkoxide (generated with NaH), followed by hydrogenation. The group is stable to TFA and 20% piperidine in DMF, but can be cleaved with TfOH in TFA, in the presence of thioanisole as a cation scavenger. It is also used in the synthesis of N-tert-butoxycarbonyl-O-cyclohexyl-L-tyrosine.1 It was also used in the synthesis of enantiopure cyclohexitols such as muco-quercitol, D-chiro-inocitol and allo-inocitol.

    Solubility
    Not miscible or difficult to mix in water.

    Notes
    Store away from oxidizing agents. Keep the container tightly closed and place it in a cool, dry and well ventilated condition.

    GHS H Statement
    H226-H315-H319-H335
    Flammable liquid and vapor.
    Causes skin irritation.
    Causes serious eye irritation.
    May cause respiratory irritation.

    2°C to 8°C

    GHS P Statement
    P210-P261-P303+P361+P353-P305+P351+P338-P405-P501a
    Keep away from heat/sparks/open flames/hot surfaces.
    - No smoking.
    Avoid breathing dust/fume/gas/mist/vapors/spray.
    IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
    IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do.
    Continue rinsing.
    Store locked up.
    Dispose of contents/container in accordance with local/regional/national/international regulations.

    Warning

    SDS & Safety Documents

  • Description & Specifications
  • Safety and Handling

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