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L02479 1-Pentyne, 99%

CAS Number
627-19-0
Synonyms

Stock No. Size Price ($) Quantity Availability
L02479-06 5g 25.70
L02479-14 25g 76.60
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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
Storage & Sensitivity
Keep Cold.
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: P210-P280g-P301+P310a-P305+P351+P338-P315-P403

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Wear protective gloves. IF SWALLOWED: Immediately call a POISON CENTER/doctor IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Get immediate medical advice/attention. Store in a well-ventilated place.

Other References

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

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