2,3-Dibromomaleinimide
2,3-Dibromomaleinimide
CAS: 1122-10-7
Molecular Formula: C4HBr2NO2
2,3-Dibromomaleinimide - Names and Identifiers
| Name | 2,3-Dibromomaleinimide |
| Synonyms | Dibromo-maleimid Dibromomaleinimide DIBROMOMALEINIMIDE 2,3-Dibromomaleimide 3,4-Dibromomallimide 3,4-Dibromomaleimide 2,3-Dibromomaleinimide 3,4-Dibromo-1H-pyrrole-2,5-dione 1H-Pyrrole-2,5-dione, 3,4-dibroMo- 3,4-dibromo-3-pyrroline-2,5-quinone 3,4-Dibromo-1H-pyrrole-2,5(2H,5H)-dione 3,4-dibroMo-2,5-dihydro-1H-pyrrole-2,5-dione 2,3-Dibromomaleimide,3,4-Dibromopyrrole-2,5-dione |
| CAS | 1122-10-7 |
| InChI | InChI=1/C4HBr2NO2/c5-1-2(6)4(9)7-3(1)8/h(H,7,8,9) |
| InChIKey | BIKSKRPHKQWJCW-UHFFFAOYSA-N |
2,3-Dibromomaleinimide - Physico-chemical Properties
| Molecular Formula | C4HBr2NO2 |
| Molar Mass | 254.86 |
| Density | 2.4707 (rough estimate) |
| Melting Point | 228-231°C(lit.) |
| Boling Point | 275.3±40.0 °C(Predicted) |
| Flash Point | 120.3°C |
| Solubility | soluble in Methanol |
| Vapor Presure | 0.00514mmHg at 25°C |
| Appearance | Gray white sheet, chip, powder |
| Color | Light yellow to Brown |
| Maximum wavelength(λmax) | ['243nm(MeOH)(lit.)'] |
| pKa | 4.69±0.60(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.6400 (estimate) |
| MDL | MFCD00185696 |
| Physical and Chemical Properties | WGK Germany:3 RTECS:ON5100000 |
2,3-Dibromomaleinimide - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | R34 - Causes burns R43 - May cause sensitization by skin contact |
| 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. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 1759 8/PG 2 |
| WGK Germany | 3 |
| RTECS | ON5100000 |
| Hazard Class | 8 |
| Packing Group | Ⅱ |
2,3-Dibromomaleinimide - Introduction
3,4-Dibromo -1H-pyrrole-2, 5-dione is an organic compound with the following properties, uses, methods of preparation and safety information:
Nature:
-Appearance: Colorless crystalline solid.
-Solubility: Soluble in organic solvents, such as dimethyl sulfoxide and acetonitrile.
-Melting point: about 130-135°C.
-Density: about 2.4g/cm³.
Use:
3,4-Dibromo -1H-pyrrole-2, 5-dione is commonly used as electrophilic fluorination reagent in organic synthesis. It can react with fluoride ions to produce the corresponding fluorinated products. In addition, it can also be used as a synthetic intermediate for aromatic compounds.
Preparation Method:
The preparation of 3,4-dibromo -1H-pyrrole-2, 5-dione can be obtained by the reaction of 2,3-pyrrolidine dione and carbon tetrabromide under alkaline conditions.
Safety Information:
-3,4-Dibromo -1H-pyrrole-2, 5-dione has certain toxicity, so it is necessary to take appropriate safety measures when handling, such as wearing protective gloves and safety glasses, and ensure that it is in a well-ventilated laboratory environment.
-Avoid contact with skin and inhalation of substances such as powder.
-If you come into contact with skin or eyes, rinse immediately with plenty of water and seek medical attention.
-Please store and handle this compound properly to avoid accidents or environmental pollution.
-When using or disposing of this compound, please comply with relevant laws and regulations and operating specifications.
Nature:
-Appearance: Colorless crystalline solid.
-Solubility: Soluble in organic solvents, such as dimethyl sulfoxide and acetonitrile.
-Melting point: about 130-135°C.
-Density: about 2.4g/cm³.
Use:
3,4-Dibromo -1H-pyrrole-2, 5-dione is commonly used as electrophilic fluorination reagent in organic synthesis. It can react with fluoride ions to produce the corresponding fluorinated products. In addition, it can also be used as a synthetic intermediate for aromatic compounds.
Preparation Method:
The preparation of 3,4-dibromo -1H-pyrrole-2, 5-dione can be obtained by the reaction of 2,3-pyrrolidine dione and carbon tetrabromide under alkaline conditions.
Safety Information:
-3,4-Dibromo -1H-pyrrole-2, 5-dione has certain toxicity, so it is necessary to take appropriate safety measures when handling, such as wearing protective gloves and safety glasses, and ensure that it is in a well-ventilated laboratory environment.
-Avoid contact with skin and inhalation of substances such as powder.
-If you come into contact with skin or eyes, rinse immediately with plenty of water and seek medical attention.
-Please store and handle this compound properly to avoid accidents or environmental pollution.
-When using or disposing of this compound, please comply with relevant laws and regulations and operating specifications.
Last Update：2024-04-09 20:52:54
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Product Name: 3,4-dibromopyrrole-2,5-dione Visit Supplier Webpage Request for quotationCAS: 1122-10-7
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
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