1-Bromo-2-butyne

Names

[ Name ]:
1-Bromo-2-butyne

[Synonym ]:
2-Butynyl Bromide
1-bromanylbut-2-yne
2-Butyne, 1-bromo-
4-Bromobut-2-yne
but-2-ynyl bromide
MFCD00190233
1-Bromo-2-butyne
2-Butyne,1-bromo
1-bromo-but-2-yne
1-bromobut-2-yne

Chemical & Physical Properties

[ Density]:
1.5±0.1 g/cm3

[ Boiling Point ]:
124.7±23.0 °C at 760 mmHg

[ Molecular Formula ]:
C₄H₅Br

[ Molecular Weight ]:
132.986

[ Flash Point ]:
36.3±17.0 °C

[ Exact Mass ]:
131.957458

[ LogP ]:
1.78

[ Vapour Pressure ]:
15.2±0.2 mmHg at 25°C

[ Index of Refraction ]:
1.490

[ Storage condition ]:
Flammables area

MSDS

Safety Information

[ Symbol ]:

GHS02

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H226

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R10

[ Safety Phrases ]:
S16

[ RIDADR ]:
UN 1993 3/PG 3

[ WGK Germany ]:
3

[ Packaging Group ]:
III

[ Hazard Class ]:
3

[ HS Code ]:
2903399090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

1-azidobut-2-yne
Cyclohexanone
Benzene,1-(2-butyn-1-yloxy)-3,5-dimethyl-
dimethyl 2-but-1-ynyl-2-prop-1-ynylpropanedioate
N-chlorosuccinimide
Pivalic acid
N-hexane
N-benzyl-N-methylbut-2-yn-1-amine
Hex-2-yne
2,6-Octadiyne

Customs

[ HS Code ]: 2903399090

[ Summary ]:
2903399090. brominated,fluorinated or iodinated derivatives of acyclic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Articles

A chemical synthesis of 11-methoxy mitragynine pseudoindoxyl featuring the interrupted Ugi reaction.

Chem. Sci. 3(9) , 2849-2852, (2012)

A synthesis of 11-methoxy mitragynine pseudoindoxyl, a new member of the mitragynine class of opioid agonists, from a derivative of the Geissman-Waiss lactone is described. An internal attack of an el...

Iridium complex-catalyzed highly enantio- and diastereoselective [2+2+2] cycloaddition for the synthesis of axially chiral teraryl compounds.

J. Am. Chem. Soc. 126(27) , 8382-8383, (2004)

An asymmetric [2+2+2] cycloaddition of an alpha,omega-diyne, possessing ortho-substituted aryl groups on its terminus, and a monoalkyne with oxygen functionalities gave various axially chiral teraryl ...

Imaging breakdown diagrams for bromobutyne isomers with photoelectron-photoion coincidence. Bodi A and Hemberger P.

Phys. Chem. Chem. Phys. 16(2) , 505-515, (2014)