Skip to Content
Merck
All Photos(1)

Key Documents

340111

Sigma-Aldrich

1-Bromo-2-pentene, predominantly trans

95%

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
C2H5CH=CHCH2Br
CAS Number:
Molecular Weight:
149.03
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

95%

form

liquid

contains

~50 ppm hydroquinone as stabilizer

refractive index

n20/D 1.4785 (lit.)

bp

122 °C (lit.)

density

1.26 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

CC\C=C\CBr

InChI

1S/C5H9Br/c1-2-3-4-5-6/h3-4H,2,5H2,1H3/b4-3+

InChI key

FTBPZRNURKMEFD-ONEGZZNKSA-N

Application

cis-1-Bromo-2-pentene was used in the synthesis of (+)-polyoxamic acid. It was also used in the preparation of pheromones.

Pictograms

FlameCorrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

73.4 °F - closed cup

Flash Point(C)

23 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Kwan Soo Kim et al.
Chemical communications (Cambridge, England), (10)(10), 1116-1117 (2002-07-19)
Coupling of cis-1-bromo-2-pentene and (S,S)-hydrobenzoin stannylene acetal followed by regio- and stereoselective transformations of the resulting allylic ether gave (+)-polyoxamic acid and a similar procedure was applied to the synthesis of D-sorbitol from trans-1-iodo-2-hexene.
Aldrichimica Acta, 28, 12-12 (1995)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service