3-Acetyl-2,5-Dichlorothiophene CAS#36157-40-1 Product Description
2,5-Dichloro-3-acetylthiophene, also referred to as 3-acetyl-2,5-dichlorothiophene, is a sulfur-containing heterocyclic organic compound with the molecular formula C₆H₄Cl₂OS and a molecular weight of 195.07. Its CAS number is 36157-40-1, and its EINECS number is 252-893-3.
This compound is supplied in solid form 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. These defined physical and chemical parameters provide useful references for material identification, quality assessment, and chemical processing.
Under normal storage and handling conditions, 2,5-Dichloro-3-acetylthiophene demonstrates good chemical stability and is not readily susceptible to decomposition. It may pose a slight hazard to aquatic environments, so uncontrolled discharge into water systems should be avoided. Appropriate environmental protection measures should be implemented during handling and disposal.
For proper storage, the material should be kept in a tightly closed container in a cool, dry, and well-ventilated location, away from incompatible substances and unsuitable environmental conditions. Following appropriate storage and handling practices helps preserve product quality and maintain material stability.
3-Acetyl-2,5-Dichlorothiophene CAS#36157-40-1 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) |
3-Acetyl-2,5-Dichlorothiophene CAS#36157-40-1 Safety Information
| 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 |
3-Acetyl-2,5-Dichlorothiophene CAS#36157-40-1 Product Application
1.Pharmaceutical Intermediates
Can be used as a synthetic intermediate for the development of thiophene-containing pharmaceutical candidate molecules.
Suitable for the construction of heterocyclic compounds with potential biological activity.
Serves as a building block for the structural optimization and development of novel pharmaceutical molecules and their derivatives.
2. Agrochemical Research
Can be used as a synthetic building block for sulfur-containing heterocyclic agrochemicals.
Suitable for the design and development of novel agrochemical active ingredients.
Provides a starting material for the development of heterocyclic compounds with different substituents.
3. Fine Chemical Synthesis
Can be used in the synthesis of various thiophene derivatives.
Suitable for further structural modification of chlorinated heterocyclic compounds.
Serves as a basic intermediate for organic synthesis and the development of customized specialty chemicals.
4. Functional Materials Research
Can be used in the design and development of sulfur-containing functional heterocyclic molecules.
Serves as a research building block for novel organic conjugated molecules and functional heterocyclic materials.
