butenyne (CAS 689-97-4) — formula C4H4, molecular weight 52.07; category organic chemicals.
butenyne (CAS 689-97-4) is a chemical raw material in the organic chemicals category. Its molecular formula C4H4 comprises 4 C, 4 H atoms. Its molecular weight is about 52.07. Reported physicochemical data: boiling point around 5.1 °C @ 760 mm Hg, LogP about 1.3. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 689-97-4 |
|---|---|
| Molecular Formula | C4H4 |
| Molecular Weight | 52.07 |
| Boiling Point | 5.1 °C @ 760 mm Hg |
| LogP | 1.3 |
| Applications | intermediate in the manufacture of neoprene and other organic compounds, Intermediate in mfr of neoprene and for various organic syntheses, Intermediate, Methods of Manufacturing: The dimer of acetylene, formed by passing it into a soln of cuprous and ammonium chlorides in hydrochloric acid, U.S. Production: 2023: 1 |
| Category | Organic Chemicals |
Documented applications: intermediate in the manufacture of neoprene and other organic compounds, Intermediate in mfr of neoprene and for various organic syntheses, Intermediate, Methods of Manufacturing: The dimer of acetylene, formed by passing it into a soln of cuprous and ammonium chlorides in hydrochloric acid, U.S. Production: 2023: 1.
butenyne is a carbon-based organic compound with CAS registry number 689-97-4 and molecular formula C4H4 (molecular weight 52.07), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 689-97-4
Its molecular formula C4H4 comprises 4 C, 4 H atoms.
Also known as: butenyne · 丁烯炔
Category: organic chemicals
The CAS registry number of butenyne is 689-97-4.
Molecular formula C4H4, molecular weight 52.07.
It is also registered under: butenyne, 丁烯炔.
Recorded applications: intermediate in the manufacture of neoprene and other organic compounds, Intermediate in mfr of neoprene and for various organic syntheses, Intermediate, Methods of Manufacturing: The dimer of acetylene, formed by passing it into a soln of cuprous and ammonium chlorides in hydrochloric acid, U.S. Production: 2023: 1.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for butenyne (CAS 689-97-4), compiled from public chemistry databases.
| CAS Registry Number | 689-97-4 |
|---|---|
| PubChem CID | 12720 |
| Molecular formula | C4H4 |
| IUPAC name | but-1-en-3-yne |
| UNII (FDA) | VW72FM10OQ |
| Molecular Weight | 52.07 |
|---|---|
| XLogP3 | 1.3 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 52.0313001276 |
| Monoisotopic Mass | 52.0313001276 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 4 |
| Boiling Point | 5.1 °C @ 760 mm Hg |
|---|---|
| Solubility | In water, 1.79X10+3 mg/l @ 30 °C |
| Density | 0.7095 @ 0 °C/0 °C |
| Vapor Density | 1.80 (AIR= 1) |
| Vapor Pressure | 1,350 mm Hg @ 25 °C |
1-BUTEN-3-YNE; Vinylacetylene; But-1-en-3-yne; Vinyl acetylene; Butenyne; Monovinylacetylene; 689-97-4; 1-Butenyne; 3-Buten-1-yne; Ethene, ethynyl-; 1-Butyn-3-ene; Vinylethyne; HSDB 5743; EINECS 211-713-3; VW72FM10OQ; 3-BUTYN-1-ENE
| Reported hazard statements | H220 (100%), H280 (100%) |
|---|
H220 (100%): Extremely flammable gas [Danger Flammable gases]
H280 (100%): Contains gas under pressure; may explode if heated [Warning Gases under pressure]
butenyne · CAS 689-97-4 · C4H4. UNII VW72FM10OQ. Boiling Point: 5.1 °C @ 760 mm Hg; Solubility: In water, 1.79X10+3 mg/l @ 30 °C; Density: 0.7095 @ 0 °C/0 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 丁烯炔