1-Bromobut-2-yne CAS#3355-28-0

Catalog No.:ALS10940

Aolisenchem provides chemical intermediates 1-Bromobut-2-yne CAS#3355-28-0, which can be used in the synthesis of six to eight annulated ring compounds in reactions with indoles. It is also used in the preparation of Pseudopterane (+/-)-Kallolide B, a marine natural product.

Specifications of 1-Bromobut-2-yne CAS#3355 28 0

Appearance: Colorless to light yellow liquid

Purity: 98%

Density: 1.519 g/cm3

Boiling Point: 40-41ºC (20 mmHg)

Water (KF): 0.5%

Properties Of 1 bromobut 2 yneCAS#3355-28-0

Other Names

2-Butynyl bromide; 1-bromanylbut-2-yne; 4-Bromobut-2-yne;

1-Bromo-2-butyne; But-2-ynyl bromide

CAS Number


Molecular Formula


Molecular Weight

MDL Number


Safety Information Of 1-Bromobut-2-yne CAS#3355-28-0

Signal word: Warning

Hazard statement(s):

H226 Flammable liquid and vapour

General advice:

Consult a physician. Show this safety data sheet to the doctor in attendance.

If inhaled:

If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.

In case of skin contact:

Wash off with soap and plenty of water. Consult a physician.

In case of eye contact:

Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.

If swallowed:

Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

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