3-Acetyl-2,5-Dichlorothiophene CAS#36157-40-1
Stable Chemical Properties: Exhibits good stability under normal storage and handling conditions, with low tendency to decompose during transportation and processing.
Well-Defined Physical Characteristics: Features consistent physical properties, including a molecular weight of 195.07, density of approximately 1.5 g/cm³, and boiling point of 233.9°C, supporting reliable industrial applications.
Valuable Thiophene-Based Intermediate: The chlorinated thiophene structure makes it a useful building block for organic synthesis and the development of specialty chemical compounds.
Convenient Storage and Handling: Can be safely stored in sealed containers under cool, dry, and well-ventilated conditions, facilitating long-term storage and material management.
Product Description of 2,5-Dichloro-3-acetylthiophene CAS#36157-40-1
2,5-Dichloro-3-acetylthiophene, also known as 3-acetyl-2,5-dichlorothiophene, is an organic compound with the molecular formula C₆H₄Cl₂OS, a molecular weight of 195.07, CAS No. 36157-40-1, and EINECS No. 252-893-3. It is supplied as a solid and has a boiling point of 233.9 ± 40.0°C (at 760 mmHg), a density of 1.5 ± 0.1 g/cm³, and a flash point of 95.3 ± 27.3°C.
The compound presents a slight hazard to aquatic environments; therefore, direct release into water without proper dilution should be avoided. Under normal conditions, it exhibits good stability and is not prone to decomposition. For optimal preservation, it should be stored in a tightly sealed container in a cool, dry, and well-ventilated area.
3-Acetyl-2,5-Dichlorothiophene Chemical Properties
| Melting point | 37-40 °C (lit.) |
| Boiling point | 120-122°C 4mm |
| density | 1.4514 (estimate) |
| Fp | >230 °F |
| storage temp. | Keep in dark place,Inert atmosphere,2-8°C |
| form | solid |
| color | White to Yellow to Orange |
| BRN | 121288 |
| CAS DataBase Reference | 36157-40-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 2,5-Dichloro-3-thienyl methyl ketone(36157-40-1) |
| Hazard Codes | Xn,Xi |
| Risk Statements | 20/21/22-36/37/38 |
| Safety Statements | 26-36-36/37/39-22-36/37 |
| WGK Germany | 3 |
| Hazard Note | Irritant |
| HS Code | 29349990 |
Product Application of 3-Acetyl-2,5-Dichlorothiophene CAS#36157-40-1
3-Acetyl-2,5-dichlorothiophene is commonly employed as an organic and pharmaceutical intermediate in research, development, and chemical manufacturing applications.




