2,3,5,6-Tetrafluoro-7,7,8,8-tetracyanoquinodimethane - Names and Identifiers
Name | 2,3,5,6-Tetrafluoro-7,7',8,8'-Tetracyanoquino-dimethane
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Synonyms | TCNQF4 f4-tcnq LT-E208 2,3,5,6-Tetrafluoro-7,7,8,8-Te TETRAFLUOROTETRACYANOQUINODIMETHANE tcnqf4 (organic electronic material) 2,3,5,6-Tetrafluoro-7,7,8,8-tetracyanoquinodimethane 7,7,8,8-TETRACYANO-2,3,5,6-TETRAFLUOROQUINODIMETHANE 2,3,5,6-Tetrafluoro-7,7',8,8'-Tetracyanoquino-dimethane (2,3,5,6-tetrafluoro-2,5-cyclohexadiene-1,4-diylidene)dimalononitrile
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CAS | 29261-33-4
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InChI | InChI=1/C12F4N4/c13-9-7(5(1-17)2-18)10(14)12(16)8(11(9)15)6(3-19)4-20 |
InChIKey | IXHWGNYCZPISET-UHFFFAOYSA-N |
2,3,5,6-Tetrafluoro-7,7,8,8-tetracyanoquinodimethane - Physico-chemical Properties
Molecular Formula | C12F4N4
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Molar Mass | 276.15 |
Density | 1.7075 (estimate) |
Melting Point | 285-290°C(lit.) |
Boling Point | -89.6±40.0 °C(Predicted) |
Water Solubility | insoluble |
Vapor Presure | 35500mmHg at 25°C |
Appearance | powder to crystal |
Color | Light yellow to Amber to Dark green |
Odor | Brown-yellow powder |
BRN | 2157887 |
Storage Condition | Sealed in dry,Room Temperature |
Refractive Index | 1.522 |
MDL | MFCD00042382 |
Physical and Chemical Properties |
Melting point |
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291 °C |
Water solubility |
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insoluble | |
2,3,5,6-Tetrafluoro-7,7,8,8-tetracyanoquinodimethane - Risk and Safety
Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin.
R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed.
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Safety Description | S22 - Do not breathe dust.
S24/25 - Avoid contact with skin and eyes.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37 - Wear suitable protective clothing and gloves.
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UN IDs | 2811 |
WGK Germany | 3 |
HS Code | 29269090 |
Hazard Note | Toxic |
Hazard Class | 6.1(b) |
Packing Group | III |
2,3,5,6-Tetrafluoro-7,7,8,8-tetracyanoquinodimethane - Introduction
2,3, 5,6-tetrafluoro-7, 7 ',8,8'-Tetracyanoquino-dimethane is an organic compound with the chemical formula C14F4N4. The following is an introduction to its nature, use, preparation and safety information:
Nature:
1. Appearance: 2,3, 5,6-tetrafluoro-7, 7 ',8,8'-Tetracyanoquino-dimethane is a solid with yellow to cabinet color.
2. Melting Point: about 210-215 ° C.
3. Solubility: Soluble in ethanol, formic acid and dichloromethane, but almost insoluble in water.
Use:
2,3, 5,6-tetrafluoro-7, 7 ',8,8'-Tetracyanoquino-dimethane has good electrochemical and conductive properties, so it is widely used in the following fields:
1. Electrochemical devices: used in the manufacture of organic batteries, photoelectric converters and supercapacitors.
2. Optical materials: can be used to prepare polymers with special optical properties.
3. Catalyst: As an oxidizing agent and reducing agent, it participates in the catalysis of organic synthesis reactions.
Method:
The synthesis of 2,3, 5,6-tetrafluoro-7, 7 ',8,8'-Tetracyanoquino-dimethane is usually carried out by the following steps:
1. First, benzaldehyde is reacted with ammonium cyanide to obtain 4,4 '-diaminobisbenzaldehyde.
2. Then, 4,4 '-diaminobisbenzaldehyde and carbon tetrafluoride are reacted to generate 2,3, 5,6-tetrafuoro-7, 7',8,8 '-Tetracyanoquino-dimethane under alkaline conditions.
Safety Information:
1. 2,3, 5,6-tetrafluoro-7, 7 ',8,8'-Tetracyanoquino-dimethane has certain toxicity and irritation. Protective measures should be paid attention to when contacting, and inhalation and skin contact should be avoided.
2. During operation and storage, keep away from fire and heat sources, and avoid contact with inflammables such as oxidant and reducing agent.
3. If leakage occurs, appropriate measures should be taken quickly to deal with and clean up.
Note: Please follow the correct safety procedures when using and handling chemicals, and consult a professional when necessary.
Last Update:2024-04-10 22:29:15