1-bromo-2-[(E)-2-nitroethenyl]benzene
trans-2-bromo-beta-nitrostyrene
CAS: 155988-33-3
Molecular Formula: C8H6BrNO2
1-bromo-2-[(E)-2-nitroethenyl]benzene - Names and Identifiers
| Name | trans-2-bromo-beta-nitrostyrene |
| Synonyms | E-2-Bromo-beta-nitrostyrene trans-2-bromo-β-nitrostyrene trans-2-bromo-beta-nitrostyrene TRANS-2-BROMO-BETA-NITROSTYRENE 95 (E)-1-Bromo-2-(2-nitroethenyl)benzene 1-bromo-2-[(E)-2-nitroethenyl]benzene Benzene, 1-bromo-2-[(1E)-2-nitroethenyl]- |
| CAS | 155988-33-3 |
| InChI | InChI=1/C8H6BrNO2/c9-8-4-2-1-3-7(8)5-6-10(11)12/h1-6H/b6-5+ |
1-bromo-2-[(E)-2-nitroethenyl]benzene - Physico-chemical Properties
| Molecular Formula | C8H6BrNO2 |
| Molar Mass | 228.04 |
| Density | 1.596±0.06 g/cm3(Predicted) |
| Melting Point | 82-86°C(lit.) |
| Boling Point | 314.2±17.0 °C(Predicted) |
| Flash Point | 143.8°C |
| Vapor Presure | 0.000875mmHg at 25°C |
| Refractive Index | 1.636 |
| Physical and Chemical Properties | WGK Germany:3 |
1-bromo-2-[(E)-2-nitroethenyl]benzene - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | 22 - Harmful if swallowed |
| WGK Germany | 3 |
1-bromo-2-[(E)-2-nitroethenyl]benzene - Introduction
trans-2-bromo-beta-nitrostyrene is an organic compound with the chemical formula C8H6BrNO2. It is a light yellow solid with a special smell. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: trans-2-bromo-beta-nitrostyrene is a white to light yellow crystal or solid.
-Solubility: It is soluble in organic solvents, such as ether, chloroform and ethanol, but insoluble in water.
-Melting point: The melting point of the compound is about 64-67 degrees Celsius.
-Stability: It is relatively stable at room temperature, but may explode or burn when exposed to light, heat or oxidant.
Use:
-Chemical reagents: trans-2-bromo-beta-nitrostyrene can be used as chemical Reagents for Organic Synthesis Reactions.
-Intermediate: It can be used as an intermediate for the synthesis of other organic compounds. The compound has potential applications in the fields of pesticides, drugs and dyes.
Method:
The preparation of trans-2-bromo-beta-nitrostyrene is generally obtained by a diazotization reaction. First, 2-bromostyrene is reacted with sodium nitrite under acidic conditions to form a diazo compound. The diazo compound is then treated with an acid or an acidic solution to give a trans-2-bromo-beta-nitrostyrene.
Safety Information:
- trans-2-bromo-beta-nitrostyrene is an organic compound that poses certain risks to human health and the environment.
-It may be irritating to the eyes, skin and respiratory system, and appropriate protective measures must be taken during operation, such as wearing protective glasses, gloves and breathing apparatus.
-It is a combustible substance and should avoid contact with open flames and high temperatures. It should be placed in a sealed container when stored, away from fire sources and oxidants.
-When handling and disposing of this compound, refer to the relevant safe operating procedures and comply with local regulations.
Nature:
-Appearance: trans-2-bromo-beta-nitrostyrene is a white to light yellow crystal or solid.
-Solubility: It is soluble in organic solvents, such as ether, chloroform and ethanol, but insoluble in water.
-Melting point: The melting point of the compound is about 64-67 degrees Celsius.
-Stability: It is relatively stable at room temperature, but may explode or burn when exposed to light, heat or oxidant.
Use:
-Chemical reagents: trans-2-bromo-beta-nitrostyrene can be used as chemical Reagents for Organic Synthesis Reactions.
-Intermediate: It can be used as an intermediate for the synthesis of other organic compounds. The compound has potential applications in the fields of pesticides, drugs and dyes.
Method:
The preparation of trans-2-bromo-beta-nitrostyrene is generally obtained by a diazotization reaction. First, 2-bromostyrene is reacted with sodium nitrite under acidic conditions to form a diazo compound. The diazo compound is then treated with an acid or an acidic solution to give a trans-2-bromo-beta-nitrostyrene.
Safety Information:
- trans-2-bromo-beta-nitrostyrene is an organic compound that poses certain risks to human health and the environment.
-It may be irritating to the eyes, skin and respiratory system, and appropriate protective measures must be taken during operation, such as wearing protective glasses, gloves and breathing apparatus.
-It is a combustible substance and should avoid contact with open flames and high temperatures. It should be placed in a sealed container when stored, away from fire sources and oxidants.
-When handling and disposing of this compound, refer to the relevant safe operating procedures and comply with local regulations.
Last Update：2024-04-09 21:01:54
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