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L02479 1-Pentyne, 99%

CAS Number
627-19-0
Synonyms

Stock No. Size Price ($) Quantity Availability
L02479-06 5g 26.70
L02479-14 25g 79.40
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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: H304-H315-H319-H335

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

Precautionary Statements: P261-P264b-P271-P280-P301+P310-P302+P352-P304+P340-P305+P351+P338-P312-P331-P332+P313-P337+P313-P362-P501c

Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. Do NOT induce vomiting. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

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

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