Thiophene, 2,5-dihydro-
2,5-Dihydrothiophene
CAS: 1708-32-3
Molecular Formula: C4H6S
Thiophene, 2,5-dihydro- - Names and Identifiers
| Name | 2,5-Dihydrothiophene |
| Synonyms | 2,5-Dihydrothiophene Thiophene, 2,5-dihydro- |
| CAS | 1708-32-3 |
Thiophene, 2,5-dihydro- - Physico-chemical Properties
| Molecular Formula | C4H6S |
| Molar Mass | 86.16 |
| Density | 0.972 (estimate) |
| Melting Point | -49.3°C |
| Boling Point | 122.4°C |
| Storage Condition | 2-8 ℃, dark and dry |
| Refractive Index | 1.4800 (estimate) |
Thiophene, 2,5-dihydro- - Upstream Downstream Industry
| Raw Materials | Trimethyl thiazole 4,5-Dimethylthiazole 2-Acetylthiazole 2-Acetyl-3-methylthiophene L-Cysteine 2-Acetylthiophene Thiophene(SIV) (9CI) 2-Methylthiophene |
| Downstream Products | 2,3-Dihydrothiophene |
Thiophene, 2,5-dihydro- - Introduction
2,5-Dihydrothiophene is an organic compound with the chemical formula C4H6S. It is the exocyclic double bond hydrogenation product of thiophene. The following is a description of the nature, use, preparation and safety information of 2,5-Dihydrothiophene:
Nature:
- 2,5-Dihydrothiophene is a colorless liquid with a special pungent odor at room temperature.
-Its density is low, the melting point is -80 ℃, and the boiling point is 83 ℃.
- 2,5-Dihydrothiophene is volatile and can be oxidized slowly in air.
Use:
- 2,5-Dihydrothiophene is an important organic synthesis intermediate, which is widely used in the field of drug synthesis and pesticide synthesis.
-It can be used as a raw material for functional materials, such as the synthesis of photosensitive dyes and optical materials.
- 2,5-Dihydrothiophene can also be used to prepare high-purity calcium sulfide and other similar compounds.
Preparation Method:
- 2,5-Dihydrothiophene is prepared by a variety of methods. One common method is by hydrogenation of thiophene.
-In the laboratory, thiophene and hydrogen can be reacted under the action of a catalyst to obtain 2,5-Dihydrothiophene.
Safety Information:
- 2,5-Dihydrothiophene is a flammable liquid. Care should be taken to avoid exposure to open flames and high temperatures. Its vapors may also form flammable or explosive mixtures.
-Take necessary safety measures during use and storage, such as wearing protective gloves, goggles and protective clothing.
-Avoid inhaling 2,5-Dihydrothiophene vapor, and pay attention to a well-ventilated environment. Be careful during the operation to avoid skin contact and ingestion.
-In the event of an inadvertent spill, remedial action should be taken immediately, such as avoiding the source of the spill, cleaning up and disposing of the waste with protective equipment.
Nature:
- 2,5-Dihydrothiophene is a colorless liquid with a special pungent odor at room temperature.
-Its density is low, the melting point is -80 ℃, and the boiling point is 83 ℃.
- 2,5-Dihydrothiophene is volatile and can be oxidized slowly in air.
Use:
- 2,5-Dihydrothiophene is an important organic synthesis intermediate, which is widely used in the field of drug synthesis and pesticide synthesis.
-It can be used as a raw material for functional materials, such as the synthesis of photosensitive dyes and optical materials.
- 2,5-Dihydrothiophene can also be used to prepare high-purity calcium sulfide and other similar compounds.
Preparation Method:
- 2,5-Dihydrothiophene is prepared by a variety of methods. One common method is by hydrogenation of thiophene.
-In the laboratory, thiophene and hydrogen can be reacted under the action of a catalyst to obtain 2,5-Dihydrothiophene.
Safety Information:
- 2,5-Dihydrothiophene is a flammable liquid. Care should be taken to avoid exposure to open flames and high temperatures. Its vapors may also form flammable or explosive mixtures.
-Take necessary safety measures during use and storage, such as wearing protective gloves, goggles and protective clothing.
-Avoid inhaling 2,5-Dihydrothiophene vapor, and pay attention to a well-ventilated environment. Be careful during the operation to avoid skin contact and ingestion.
-In the event of an inadvertent spill, remedial action should be taken immediately, such as avoiding the source of the spill, cleaning up and disposing of the waste with protective equipment.
Last Update：2024-04-09 02:00:50
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CAS: 1708-32-3
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Raw Materials for Thiophene, 2,5-dihydro-
Downstream Products for Thiophene, 2,5-dihydro-