≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships FedEx DG Service Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
The kinetics of the stereoselective semi-hydrogenation of 4-octyne (in tetrahydrofuran) was studied
| Pubchem Sid | 488182197 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488182197 |
| Canonical Smiles | CCCC#CCCC |
| IUPAC Name | oct-4-yne |
| InChIKey | GZTNBKQTTZSQNS-UHFFFAOYSA-N |
| INCHI | 1S/C8H14/c1-3-5-7-8-6-4-2/h3-6H2,1-2H3 |
| Isomeric SMILES | CCCC#CCCC |
| WGK Germany | 3 |
| UN Number | 3295 |
| Packing Group | III |
| Molecular Weight | 110.2 |
| Beilstein | 1732138 |
| Reaxy-Rn | 1732138 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1732138&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Hydrocarbons |
| Class | Unsaturated hydrocarbons |
| Subclass | Acetylenes |
| Intermediate Tree Nodes | Acyclic acetylenes - Alkynes |
| Direct Parent | Terminal alkynes |
| Alternative Parents | Unsaturated aliphatic hydrocarbons |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Monosubstituted alkyne - Unsaturated aliphatic hydrocarbon - Aliphatic acyclic compound |
| Description | This compound belongs to the class of organic compounds known as terminal alkynes. These are alkynes featuring a carbon substituent on one acetylenic carbon, and a hydrogen on the other carbon. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 D2324029 | Certificate of Analysis | Feb 04, 2026 | O106927 |
| D2324023 | Certificate of Analysis | Feb 04, 2026 | O106927 |
| L2215257 | Certificate of Analysis | Sep 04, 2025 | O106927 |
| I2509499 | Certificate of Analysis | Jul 09, 2025 | O106927 |
| I2509500 | Certificate of Analysis | Jul 09, 2025 | O106927 |
| I2509501 | Certificate of Analysis | Jul 09, 2025 | O106927 |
| F2520049 | Certificate of Analysis | Jul 01, 2025 | O106927 |
| H2231745 | Certificate of Analysis | Jun 10, 2025 | O106927 |
| H2231746 | Certificate of Analysis | Jun 10, 2025 | O106927 |
| K2103339 | Certificate of Analysis | Aug 19, 2024 | O106927 |
| K2103342 | Certificate of Analysis | Aug 19, 2024 | O106927 |
| K2520529 | Certificate of Analysis | Jul 12, 2024 | O106927 |
| E2112124 | Certificate of Analysis | Feb 22, 2024 | O106927 |
| L2215256 | Certificate of Analysis | Nov 10, 2022 | O106927 |
| E2411010 | Certificate of Analysis | Jul 30, 2022 | O106927 |
| H2231757 | Certificate of Analysis | Jul 30, 2022 | O106927 |
| Solubility | Sparingly soluble in water( 29.1 mg/L). |
|---|---|
| Refractive Index | 1.424-1.426 |
| Flash Point(°F) | 68°F |
| Flash Point(°C) | 20 °C |
| Boil Point(°C) | 131-132°C |
| Melt Point(°C) | -103°C |
| Molecular Weight | 110.200 g/mol |
| XLogP3 | 3.400 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 2 |
| Exact Mass | 110.11 Da |
| Monoisotopic Mass | 110.11 Da |
| Topological Polar Surface Area | 0.000 Ų |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Complexity | 79.100 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
| 1. Lingqi Huang, Kecheng Hu, Ganggang Ye, Zhibin Ye. (2021) Highly selective semi-hydrogenation of alkynes with a Pd nanocatalyst modified with sulfide-based solid-phase ligands. Molecular Catalysis, [PMID:] [10.1016/j.mcat.2021.111535] |
| 2. Run Wang, Yiying Pang, Shibing Wu, Chenyang Jin, Xilong Yan, Yang Li, Ligong Chen, Bowei Wang. (2024) Internal electric fields tailored by in-situ assembled frustrated Lewis pairs with covalent organic framework. JOURNAL OF CATALYSIS, [PMID:] [10.1016/j.jcat.2024.115896] |
| 3. Xilun Zhang, Hongliang Liang, Fei Chang. (2024) Magnesium oxide-supported potassium hydride as a transition-metal-free catalyst for the selective hydrogenation of alkynes. JOURNAL OF CATALYSIS, [PMID:] [10.1016/j.jcat.2024.115851] |
