3,4-dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid
3,4-Dimethylthieno(2,3-b)thiophene-2,5-dicarboxylic acid
CAS: 175202-55-8
Molecular Formula: C10H8O4S2
3,4-dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid - Names and Identifiers
| Name | 3,4-Dimethylthieno(2,3-b)thiophene-2,5-dicarboxylic acid |
| Synonyms | 3,4-Dimethylthieno(2,3-b)thiophene-2,5- 3,4-Dimethylthieno(2,3-b)thiophene-2,5-dicarboxylic acid 3,4-DIMETHYLTHIENO[2,3-B]THIOPHENE-2,5-DICARBOXYLIC ACID 3,4-dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid Thieno[2,3-b]thiophene-2,5-dicarboxylic acid, 3,4-dimethyl- |
| CAS | 175202-55-8 |
| EINECS | 200-258-5 |
| InChI | InChI=1/C10H8O4S2/c1-3-5-4(2)7(9(13)14)16-10(5)15-6(3)8(11)12/h1-2H3,(H,11,12)(H,13,14) |
3,4-dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid - Physico-chemical Properties
| Molecular Formula | C10H8O4S2 |
| Molar Mass | 256.3 |
| Density | 1.600 |
| Melting Point | >360°C |
| Boling Point | 538.0±45.0 °C(Predicted) |
| Flash Point | 279.2°C |
| Vapor Presure | 2.08E-12mmHg at 25°C |
| pKa | 2.70±0.30(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.736 |
3,4-dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid - 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. |
3,4-dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid - Introduction
3,4-dimethylthieno (2,3-b)thiophene-2,5-dicarboxylic acid is an organic compound with the chemical formula C11H8O4S. Here are some information about its nature, use, formulation and safety:
Nature:
3,4-dimethylthieno (2,3-b)thiophene-2,5-dicarboxylic acid is a solid with a white to light yellow color. It has a relatively high melting and boiling point and can be dissolved in some organic solvents, such as ethanol and dichloromethane. The structure of this compound contains a sulfur-containing heterocycle and a carboxylic acid functional group.
Use:
3,4-dimethylthieno (2,3-b)thiophene-2,5-dicarboxylic acid is commonly used as an intermediate in organic synthesis. It can be used to prepare some compounds with important biological activities and pharmacological properties. In addition, it can also be used as a raw material for organic dyes, pigments and photosensitive materials.
Method:
The synthesis method of 3,4-thiophene-2 thieno(2,3-b) and 5-dicarboxylic acid is relatively complicated, and generally needs to be synthesized through multi-step reactions. One of the common synthesis methods is through the sulfuric acid method, using 2,4-disulfate dimethyl ester and dimethyl ester as raw materials, under acidic conditions for the ring reaction to obtain the target product.
Safety Information:
Security information regarding 3,4-dimethylthieno (2,3-b)thiophene-2,5-dicarboxylic acid is currently limited. As this compound has not been widely commercialized, relevant toxicity and safety documentation may not be readily available. In general, the handling of such compounds should follow the laboratory's safe practices, wear appropriate protective equipment, and avoid contact with skin, eyes and inhalation of its dust. Any operation involving this compound should be carried out under proper ventilation. If you need more safety information, it is recommended to consult the relevant chemical information or obtain a detailed safety data sheet from the supplier.
Nature:
3,4-dimethylthieno (2,3-b)thiophene-2,5-dicarboxylic acid is a solid with a white to light yellow color. It has a relatively high melting and boiling point and can be dissolved in some organic solvents, such as ethanol and dichloromethane. The structure of this compound contains a sulfur-containing heterocycle and a carboxylic acid functional group.
Use:
3,4-dimethylthieno (2,3-b)thiophene-2,5-dicarboxylic acid is commonly used as an intermediate in organic synthesis. It can be used to prepare some compounds with important biological activities and pharmacological properties. In addition, it can also be used as a raw material for organic dyes, pigments and photosensitive materials.
Method:
The synthesis method of 3,4-thiophene-2 thieno(2,3-b) and 5-dicarboxylic acid is relatively complicated, and generally needs to be synthesized through multi-step reactions. One of the common synthesis methods is through the sulfuric acid method, using 2,4-disulfate dimethyl ester and dimethyl ester as raw materials, under acidic conditions for the ring reaction to obtain the target product.
Safety Information:
Security information regarding 3,4-dimethylthieno (2,3-b)thiophene-2,5-dicarboxylic acid is currently limited. As this compound has not been widely commercialized, relevant toxicity and safety documentation may not be readily available. In general, the handling of such compounds should follow the laboratory's safe practices, wear appropriate protective equipment, and avoid contact with skin, eyes and inhalation of its dust. Any operation involving this compound should be carried out under proper ventilation. If you need more safety information, it is recommended to consult the relevant chemical information or obtain a detailed safety data sheet from the supplier.
Last Update：2024-04-10 22:29:15
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Product Name: 3,4-DIMETHYLTHIENO[2,3-B]THIOPHENE-2,5-DICARBOXYLIC ACID Visit Supplier Webpage Request for quotation
CAS: 175202-55-8
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CAS: 175202-55-8
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
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