| Company Name: |
Alfa Aesar |
| Tel: |
400-6106006 |
| Email: |
saleschina@alfa-asia.com |
| Company Name: |
Energy Chemical |
| Tel: |
400-0056266 |
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sales8178@energy-chemical.com |
- 1-Pentyne 99%
-
- $15.00
-
2021-07-02
- CAS:627-19-0
- Min. Order: 1KG
- Purity: 99%+ HPLC
|
| | 1-Pentyne Chemical Properties |
| Melting point | -106 °C | | Boiling point | 40 °C(lit.) | | density | 0.691 g/mL at 25 °C(lit.) | | vapor pressure | 6.8 psi ( 20 °C) | | refractive index | n20/D 1.385(lit.) | | Fp | -34°C | | storage temp. | Store at +2°C to +8°C. | | solubility | 1.05g/l | | form | Liquid | | color | Clear colorless to pale yellow | | Water Solubility | Soluble in water. (1.05 g/L) at 20°C. | | Thermal Conductivity | 0.127 W/(m·K) at 25 ℃ | | BRN | 1697133 | | Henry's Law Constant | 3.9×10-4 mol/(m3Pa) at 25℃, Brockbank (2013) | | InChI | 1S/C5H8/c1-3-5-4-2/h1H,4-5H2,2H3 | | InChIKey | IBXNCJKFFQIKKY-UHFFFAOYSA-N | | SMILES | CCCC#C | | CAS DataBase Reference | 627-19-0(CAS DataBase Reference) | | EPA Substance Registry System | 1-Pentyne (627-19-0) |
| Hazard Codes | F,Xn | | Risk Statements | 11-36/37/38-65 | | Safety Statements | 16-26-36-62 | | RIDADR | UN 3295 3/PG 2 | | WGK Germany | 3 | | TSCA | TSCA listed | | HS Code | 2901 29 00 | | HazardClass | 3 | | PackingGroup | II | | Storage Class | 3 - Flammable liquids | | Hazard Classifications | Flam. Liq. 2 |
| | 1-Pentyne Usage And Synthesis |
| Preparation | It can be synthesized from haloalkanes and sodium acetate. The specific steps are as follows: dissolve sodium acetate in ethanol to prepare a solution; add haloalkanes, such as bromopentane, to the solution; stir the mixture at an appropriate temperature; and purify the mixture by distillation to obtain compound 1-pentyne. | | Chemical Properties | Clear colorless to pale yellow liquid | | Uses | 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. | | Uses | 1-Pentyne has been used in preparation of:
- lithium acetylides, required for asymmetric synthesis of α,α-dibranched propargyl sulfinamides
- 7-hydroxy-10-methoxy-3H-naphtho[2.1-b]pyrans
| | General Description | Selective and non-selective hydrogenation of 1-pentyne catalyzed by silica-supported palladium has been studied by in situ X-ray absorption spectroscopy. | | Safety Profile | Dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidizing materials. When heated to decomposition it emits acrid smoke and irritating fumes. See also ACETYLENE COMPOUNDS |
| | 1-Pentyne Preparation Products And Raw materials |
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