| Company Name: |
Alfa Aesar |
| Tel: |
400-6106006 |
| Email: |
saleschina@alfa-asia.com |
| Company Name: |
Energy Chemical |
| Tel: |
400-0056266 |
| Email: |
sales8178@energy-chemical.com |
trans-1,2-Dibenzoylethylene manufacturers
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| | trans-1,2-Dibenzoylethylene Basic information |
| | trans-1,2-Dibenzoylethylene Chemical Properties |
| Melting point | 109-112 °C(lit.) | | Boiling point | 338.73°C (rough estimate) | | density | 1.1223 (rough estimate) | | refractive index | 1.6000 (estimate) | | form | Powder, Crystals or Flakes | | color | White to yellow to beige-brown | | BRN | 743958 | | InChI | 1S/C16H12O2/c17-15(13-7-3-1-4-8-13)11-12-16(18)14-9-5-2-6-10-14/h1-12H/b12-11+ | | InChIKey | WYCXGQSQHAXLPK-VAWYXSNFSA-N | | SMILES | [H]\C(=C(\[H])C(=O)c1ccccc1)C(=O)c2ccccc2 | | CAS DataBase Reference | 959-28-4(CAS DataBase Reference) | | EPA Substance Registry System | trans-1,2-Dibenzoylethylene (959-28-4) |
| Safety Statements | 22-24/25 | | WGK Germany | 3 | | RTECS | EM7000000 | | TSCA | TSCA listed | | HS Code | 29143900 | | Storage Class | 11 - Combustible Solids |
| | trans-1,2-Dibenzoylethylene Usage And Synthesis |
| Chemical Properties | yellow crystalline powder | | Uses | (E)-1,4-Diphenylbut-2-ene-1,4-dione is a key intermediate for the Michael adducts-source for biologically potent heterocycles with antimicrobial properties. | | Synthesis Reference(s) | The Journal of Organic Chemistry, 55, p. 360, 1990 DOI: 10.1021/jo00288a066
Journal of the American Chemical Society, 45, p. 1303, 1923 DOI: 10.1021/ja01658a026 | | Purification Methods | It crystallises from MeOH or EtOH as yellow needles [Koller et al. Helv Chim Acta 29 512 1946]. The dioxime has m 210-211o(dec) from AcOH. [IR: Kuhn et al. J Am Chem Soc 72 5058 1950, Yates J Am Chem Soc 74 5375 1952, Erickson et al. J Am Chem Soc 73 5301 1951, Beilstein 7 IV 2578.] |
| | trans-1,2-Dibenzoylethylene Preparation Products And Raw materials |
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