≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C,Argon charged Ships Wet ice 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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 504752410 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504752410 |
| Canonical Smiles | CC#CCO |
| IUPAC Name | but-2-yn-1-ol |
| InChIKey | NEEDEQSZOUAJMU-UHFFFAOYSA-N |
| INCHI | 1S/C4H6O/c1-2-3-4-5/h5H,4H2,1H3 |
| Isomeric SMILES | CC#CCO |
| WGK Germany | 3 |
| UN Number | 1987 |
| Molecular Weight | 70.09 |
| Beilstein | 1733676 |
| Reaxy-Rn | 1733676 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1733676&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 | Organic oxygen compounds |
| Class | Organooxygen compounds |
| Subclass | Alcohols and polyols |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Primary alcohols |
| Alternative Parents | Hydrocarbon derivatives |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Hydrocarbon derivative - Primary alcohol - Aliphatic acyclic compound |
| Description | This compound belongs to the class of organic compounds known as primary alcohols. These are compounds comprising the primary alcohol functional group, with the general structure RCOH (R=alkyl, aryl). |
| 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 |
|---|---|---|---|
 F2610073 | Certificate of Analysis | Jun 30, 2026 | B111064 |
| E2406335 | Certificate of Analysis | Feb 05, 2026 | B111064 |
| E2406329 | Certificate of Analysis | Feb 05, 2026 | B111064 |
| E2406328 | Certificate of Analysis | Feb 05, 2026 | B111064 |
| H2506105 | Certificate of Analysis | Mar 21, 2024 | B111064 |
| I2113012 | Certificate of Analysis | Jun 13, 2023 | B111064 |
| I2113013 | Certificate of Analysis | Jun 13, 2023 | B111064 |
| I2113014 | Certificate of Analysis | Jun 13, 2023 | B111064 |
| F1920216 | Certificate of Analysis | Jan 05, 2023 | B111064 |
| Solubility | Miscible with chloroform and methanol. |
|---|---|
| Sensitivity | air sensitive & heat sensitive |
| Refractive Index | 1.453 |
| Flash Point(°F) | 123.8 °F |
| Flash Point(°C) | 51℃ |
| Boil Point(°C) | 145°C |
| Melt Point(°C) | -2.2°C |
| Molecular Weight | 70.090 g/mol |
| XLogP3 | 0.200 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 70.0419 Da |
| Monoisotopic Mass | 70.0419 Da |
| Topological Polar Surface Area | 20.200 Ų |
| Heavy Atom Count | 5 |
| Formal Charge | 0 |
| Complexity | 62.200 |
| 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. Haiyang Xie, Dan Tang, Yanjuan Zhang, Zuqiang Huang, Huayu Hu, Qian He, Hongbing Ji, Tao Gan. (2024) Single-atom Fe with Fe-N4F1 structure showing superior performances for semi-hydrogenation of alkynol. CHEMICAL ENGINEERING JOURNAL, [PMID:] [10.1016/j.cej.2024.151018] |
