1-Bromo-2-pentyne
[CAS# 16400-32-1]

Identification

• Classification: Organic raw materials >> Hydrocarbon compounds and their derivatives >> Hydrocarbon halide
• Name: 1-Bromo-2-pentyne
• Synonyms: 2-Pentyn-1-yl bromide; 2-Pentynyl bromide
• Molecular Formula: C₅H₇Br
• Molecular Weight: 147.01
• CAS Registry Number: 16400-32-1
• EC Number: 240-451-2

Properties

• Solubility: Very slightly soluble (0.21 g/L) (25 ºC), Calc.^*
• Density: 1.3931 g/cm³ (20 ºC)^**
• Boiling point: 130-140 ºC (760 Torr)^***
• Refractive index: 1.5003 (20 ºC)^****
• Flash point: 45.1±17.0 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2016 ACD/Labs)

^** Kraevskii, A. A.; Zhurnal Obshchei Khimii 1963, V33(6), P1831-5.

^*** Rakoff, Henry; Lipids 1988, V23(4), P280-5.

^**** Ishchenko, R. I.; Zhurnal Organicheskoi Khimii 1987, V23(6), P1190-3.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	3	H226
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	3	H301
Germ cell mutagenicity	Muta.	2	H341
Eye irritation	Eye Irrit.	2A	H319