1-Octyne
- CAS No.
- 629-05-0
- Chemical Name:
- 1-Octyne
- Synonyms
- oct-1-yne;1-0ctyne;1-0ctin;1-OCTYNE;Octyne-1;1-Acetyne;caprylidene;1-Octyne>1-SiM alkyne;1-OCTYNE 98%
- CBNumber:
- CB8778026
- Molecular Formula:
- C8H14
- Molecular Weight:
- 110.2
- MOL File:
- 629-05-0.mol
- MSDS File:
- SDS
- Modify Date:
- 2023/5/25 18:01:21
| Melting point | -80 °C (lit.) |
|---|---|
| Boiling point | 127-128 °C (lit.) |
| Density | 0.747 g/mL at 25 °C (lit.) |
| vapor pressure | 37.7 mm Hg ( 37.7 °C) |
| refractive index |
n |
| Flash point | 64 °F |
| storage temp. | Flammables area |
| solubility | 0.024g/l |
| form | Liquid |
| Specific Gravity | 0.746 |
| color | Clear colorless to yellow |
| explosive limit | 0.8%(V) |
| Water Solubility | Miscible with alcohol, ether and other organic solvents. Immiscible with water. |
| BRN | 1734494 |
| LogP | 3.717 (est) |
| CAS DataBase Reference | 629-05-0(CAS DataBase Reference) |
| NIST Chemistry Reference | 1-Octyne(629-05-0) |
| EPA Substance Registry System | 1-Octyne (629-05-0) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |   GHS02,GHS08 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H225-H304 | |||||||||
| Precautionary statements | P210-P233-P240-P241-P301+P310-P331 | |||||||||
| Hazard Codes | F,Xn,Xi | |||||||||
| Risk Statements | 11-65-36/37/38 | |||||||||
| Safety Statements | 16-62-33-26 | |||||||||
| RIDADR | UN 3295 3/PG 2 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | RI2655000 | |||||||||
| TSCA | Yes | |||||||||
| HazardClass | 3 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 29012980 | |||||||||
| Toxicity | dns-ham:lvr 100 mmol/L CRNGDP 6,1201,85 | |||||||||
| NFPA 704 |
|
1-Octyne price More Price(7)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | 244465 | 1-Octyne 97% | 629-05-0 | 25G | ₹2722.88 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 244465 | 1-Octyne 97% | 629-05-0 | 100G | ₹8322.75 | 2022-06-14 | Buy |
| TCI Chemicals (India) | O0050 | 1-Octyne min. 95.0 % | 629-05-0 | 25ML | ₹5300 | 2022-05-26 | Buy |
| ALFA India | ALF-A12440-22 | 1-Octyne, 98% | 629-05-0 | 100g | ₹6928 | 2022-05-26 | Buy |
| ALFA India | ALF-A12440-14 | 1-Octyne, 98% | 629-05-0 | 25g | ₹2863 | 2022-05-26 | Buy |
1-Octyne Chemical Properties,Uses,Production
Chemical Properties
CLEAR COLOURLESS TO YELLOW LIQUID
Uses
1-Octyne is widely used in organic reactions such as halogenation, hydration, oxidative cleavage, hydrogenation, hydrohalogenation, nitrile formation, polymerization and substitution reactions. It is used a precursor for the preparation of monohalogen substituted akenes or dihalogen substituted alkanes on treated with hydrogen halides.
Safety Profile
Mutation data reported. Whenheated to decomposition it emits acrid smoke andirritating vapors.
Synthesis
The two synthesis methods of 1-Octyne: 1) from Methyl hexyl ketone and Phosphorous pentachloride followed by hydrolysis and treatment with Sodamide. 2)by Bromination of n-Octene (commercially available) followed by debromination of the Dibromo octane with dry Potassium hydroxide in mineral oil.
Purification Methods
Distil I-octyne from NaBH4 to remove peroxides. Fractionate it through a 10inch Widmer column (p 11) at 125-126o/759mm [Sletzinger & Dawson J Org Chem 14 853 1949.] [Beilstein 1 III 1005, 1 IV 1034.]
1-Octyne Preparation Products And Raw materials
Raw materials
Preparation Products
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