1,6-Dithiapentalene
THIENO[2,3-B]THIOPHENE
CAS: 250-84-0
Molecular Formula: C6H4S2
1,6-Dithiapentalene - Names and Identifiers
| Name | THIENO[2,3-B]THIOPHENE |
| Synonyms | 1,6-Thiophthene 1,6-Dithiapentalene hieno[2,3-b]thiophene THIENO[2,3-B]THIOPHENE |
| CAS | 250-84-0 |
1,6-Dithiapentalene - Physico-chemical Properties
| Molecular Formula | C6H4S2 |
| Molar Mass | 140.226 |
| Density | 1.326 g/cm 3 at 25 °C |
| Melting Point | 7°C(lit.) |
| Boling Point | 226°C(lit.) |
| Flash Point | 93℃ |
| Appearance | Morphological liquid |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | n20/D1.668 |
1,6-Dithiapentalene - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN 3334 |
| WGK Germany | 3 |
1,6-Dithiapentalene - Upstream Downstream Industry
1,6-Dithiapentalene - Introduction
THIENO [2,3-b] THIOPHENE(THIENO [2,3-b] THIOPHENE) is a heterocyclic compound containing two sulfur atoms with the chemical formula C6H4S2. It has the following properties:
1. Appearance: THIENO [2,3-b] THIOPHENE is a colorless to pale yellow solid.
2. Solubility: It has good solubility in common organic solvents, such as ethanol, dimethyl sulfoxide and chloroform.
3. Stability: THIENO [2,3-b] THIOPHENE is a relatively stable compound that can withstand high temperature and oxygen under certain conditions.
THIENO [2,3-b] THIOPHENE has a wide range of applications in the field of organic electronics. It is commonly used as an organic semiconductor material and can be used to prepare organic thin film transistors, organic optoelectronic devices, etc. It has potential applications in photoelectric conversion, light-emitting diodes (LEDs) and solar cells.
The preparation of the compound can usually be achieved by a two-step reaction. First, 2,3-bihalopyrrole or pyrrolidine is heated to react with sulfur in the presence of a strong base to form the corresponding thiopyrrole. It is then reacted with ammonium sulfate or other sulfates to produce THIENO [2,3-b] THIOPHENE.
There is no clear toxicity data reported regarding the safety of THIENO [2,3-b] THIOPHENE. However, as a laboratory compound, regular safety procedures should be followed and appropriate precautions should be taken, such as wearing gloves, safety glasses and respiratory protection equipment to avoid inhalation, swallowing or contact with skin. The safety assessment of this compound requires more research data to determine.
1. Appearance: THIENO [2,3-b] THIOPHENE is a colorless to pale yellow solid.
2. Solubility: It has good solubility in common organic solvents, such as ethanol, dimethyl sulfoxide and chloroform.
3. Stability: THIENO [2,3-b] THIOPHENE is a relatively stable compound that can withstand high temperature and oxygen under certain conditions.
THIENO [2,3-b] THIOPHENE has a wide range of applications in the field of organic electronics. It is commonly used as an organic semiconductor material and can be used to prepare organic thin film transistors, organic optoelectronic devices, etc. It has potential applications in photoelectric conversion, light-emitting diodes (LEDs) and solar cells.
The preparation of the compound can usually be achieved by a two-step reaction. First, 2,3-bihalopyrrole or pyrrolidine is heated to react with sulfur in the presence of a strong base to form the corresponding thiopyrrole. It is then reacted with ammonium sulfate or other sulfates to produce THIENO [2,3-b] THIOPHENE.
There is no clear toxicity data reported regarding the safety of THIENO [2,3-b] THIOPHENE. However, as a laboratory compound, regular safety procedures should be followed and appropriate precautions should be taken, such as wearing gloves, safety glasses and respiratory protection equipment to avoid inhalation, swallowing or contact with skin. The safety assessment of this compound requires more research data to determine.
Last Update：2024-04-10 22:29:15
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View History
Raw Materials for 1,6-Dithiapentalene
2-(2,2-dimethoxyethylsulfanyl)thiophene
methyl 2-(3-formylthiophen-2-ylthio)acetate
Methyl thieno[2,3-b]thiophene-2-carboxylate
THIENO[2,3-B]THIOPHENE-2-CARBOXYLIC ACID
3-Thiophenecarboxaldehyde ethylene acetal
Aconitic Acid
2-Chlorothiophene
3-Thiophenecarboxaldehyde
Acetylene
Citric acid
methyl 2-(3-formylthiophen-2-ylthio)acetate
Methyl thieno[2,3-b]thiophene-2-carboxylate
THIENO[2,3-B]THIOPHENE-2-CARBOXYLIC ACID
3-Thiophenecarboxaldehyde ethylene acetal
Aconitic Acid
2-Chlorothiophene
3-Thiophenecarboxaldehyde
Acetylene
Citric acid
Downstream Products for 1,6-Dithiapentalene