pentacene-5,7,12,14-tetrone
Pentacenetetrone
CAS: 23912-79-0
Molecular Formula: C22H10O4
pentacene-5,7,12,14-tetrone - Names and Identifiers
| Name | Pentacenetetrone |
| Synonyms | Pentacenetetrone 5,7,12,14-PENTACENETETRONE 5,7,12,14-Pentacenetetrone pentacene-5,7,12,14-tetrone Pentacene-5,7,12,14-tetraone 5,7,12,14-PENTACENETETRAQUINONE 5,7,12,14-TETRAOXO-5,7,12,14-TETRAHYDROPENTACENE |
| CAS | 23912-79-0 |
| InChI | InChI=1/C22H10O4/c23-19-11-5-1-2-6-12(11)20(24)16-10-18-17(9-15(16)19)21(25)13-7-3-4-8-14(13)22(18)26/h1-10H |
pentacene-5,7,12,14-tetrone - Physico-chemical Properties
| Molecular Formula | C22H10O4 |
| Molar Mass | 338.31 |
| Density | 1.479±0.06 g/cm3(Predicted) |
| Melting Point | 400 °C |
| Boling Point | 597.4±50.0 °C(Predicted) |
| Flash Point | 266.3°C |
| Vapor Presure | 3.11E-14mmHg at 25°C |
| Appearance | powder to lump |
| Color | White to Green to Brown |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.727 |
| MDL | MFCD00075209 |
pentacene-5,7,12,14-tetrone - Risk and Safety
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
pentacene-5,7,12,14-tetrone - Introduction
Pentacenetrone (pentacenetrone) is an organic compound with the chemical formula C22H10O4. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: Pentacenetetrone is a yellow crystalline solid.
-Melting point: Its melting point is about 325-330 degrees Celsius.
-Solubility: It is not easy to dissolve in common solvents, such as polar solvents such as benzene and ether.
-Stability: It will decompose under the action of high temperature and strong oxidants.
Use:
- Pentacenetetrone has some applications in the field of organic synthesis and can be used as an intermediate for organic dyes.
-It is also used in the fields of photoelectric materials, catalysts and organic electroluminescent diodes (OLED).
Method:
The common synthesis method of pentaceneetrone is to prepare by carbenylylation reaction. The specific steps are as follows:
1. A dialkynyl compound is obtained by an alkynylation reaction in the presence of benzophenone and an acid.
2. After a series of cyclization, dehydration and oxidation reactions, Pentacenetetrone was obtained.
Safety Information:
- Pentacenetetrone may be irritating to the skin and eyes, and should be rinsed immediately after contact.
-It may be toxic to water organisms and should be avoided from being discharged into the environment.
-When handling and using, strictly follow the safe handling procedures for chemicals and wear appropriate personal protective equipment.
Please note that in general, the preparation and use of chemicals need to be carried out under appropriate laboratory conditions and in accordance with relevant laws, regulations and safe operating procedures.
Nature:
-Appearance: Pentacenetetrone is a yellow crystalline solid.
-Melting point: Its melting point is about 325-330 degrees Celsius.
-Solubility: It is not easy to dissolve in common solvents, such as polar solvents such as benzene and ether.
-Stability: It will decompose under the action of high temperature and strong oxidants.
Use:
- Pentacenetetrone has some applications in the field of organic synthesis and can be used as an intermediate for organic dyes.
-It is also used in the fields of photoelectric materials, catalysts and organic electroluminescent diodes (OLED).
Method:
The common synthesis method of pentaceneetrone is to prepare by carbenylylation reaction. The specific steps are as follows:
1. A dialkynyl compound is obtained by an alkynylation reaction in the presence of benzophenone and an acid.
2. After a series of cyclization, dehydration and oxidation reactions, Pentacenetetrone was obtained.
Safety Information:
- Pentacenetetrone may be irritating to the skin and eyes, and should be rinsed immediately after contact.
-It may be toxic to water organisms and should be avoided from being discharged into the environment.
-When handling and using, strictly follow the safe handling procedures for chemicals and wear appropriate personal protective equipment.
Please note that in general, the preparation and use of chemicals need to be carried out under appropriate laboratory conditions and in accordance with relevant laws, regulations and safe operating procedures.
Last Update：2024-04-10 22:29:15
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View History
pentacene-5,7,12,14-tetrone
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