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627-19-0 - 1-Pentyne, 99% - L02479 - Alfa Aesar

L02479 1-Pentyne, 99%

CAS Number
627-19-0
Synonyms

Size Price ($) Quantity Availability
5g 26.00
25g 75.80
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1-Pentyne, 99%

MDL
MFCD00009469
EINECS
210-987-1

Chemical Properties

Formula
C5H8
Formula Weight
68.12
Melting point
-106°
Boiling Point
39-41°
Flash Point
-20°(-4°F)
Density
0.692
Refractive Index
1.3860
Solubility
Soluble in water. (1.05 g/L) at 20°C.

Applications

1-Pentyne has been used in preparation of:lithium acetylides, required for asymmetric synthesis of α,α-dibranched propargyl sulfinamides. It is also used to synthesize 7-hydroxy-10-methoxy-3H-naphtho[2.1-b]pyrans.

Notes

Store at 2-8°C. Incompatible with oxidizing agents. Store away from heat.

Literature References

Andrew W Patterson; Jonathan A Ellman. Asymmetric synthesis of alpha,alpha-dibranched propargylamines by acetylide additions to N-tert-butanesulfinyl ketimines.Journal of Organic Chemistry.2006, 71 (18), 7110-7112.

Francis J. Wodarczyk and E. Bright Wilson. Rotational Isomerism in 1-Pentyne from the Microwave Spectrum.J. Chem. Phys.1972, 56 166.

GHS Hazard and Precautionary Statements

Hazard Statements: H225-H315-H319-H335-H304

Highly flammable liquid and vapour. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. May be fatal if swallowed and enters airways.

Precautionary Statements: P260-P201-P280g-P304+P340-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Obtain special instructions before use. Wear protective gloves. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
1697133
Hazard Class
3
Packing Group
II
Harmonized Tariff Code
2901.29
TSCA
Yes

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