4-Bromo-3-chloroaniline - Names and Identifiers
4-Bromo-3-chloroaniline - Physico-chemical Properties
Molecular Formula | C6H5BrClN
|
Molar Mass | 206.47 |
Density | 1.722±0.06 g/cm3(Predicted) |
Melting Point | 74 °C |
Boling Point | 276.3±20.0 °C(Predicted) |
Flash Point | >100°C |
Solubility | soluble in Methanol |
Vapor Presure | 0.00484mmHg at 25°C |
Appearance | powder to crystal |
Color | White to Light yellow |
BRN | 1210160 |
pKa | 2.84±0.10(Predicted) |
Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
Refractive Index | 1.638 |
4-Bromo-3-chloroaniline - Risk and Safety
Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
R33 - Danger of cumulative effects
R36/37/38 - Irritating to eyes, respiratory system and skin.
R22 - Harmful if swallowed
|
Safety Description | S28 - After contact with skin, wash immediately with plenty of soap-suds.
S36/37 - Wear suitable protective clothing and gloves.
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.
S23 - Do not breathe vapour.
|
UN IDs | 2811 |
HS Code | 29214200 |
Hazard Note | Harmful |
Hazard Class | 6.1 |
Packing Group | III |
4-Bromo-3-chloroaniline - Introduction
4-Bromo-3-chloroaniline is an organic compound with the chemical formula C6H5BrClN.
Its properties are as follows:
Appearance: Colorless to light yellow crystalline solid.
Solubility: Soluble in organic solvents, such as ether and alcohol, insoluble in water.
Melting point: About 75-77 ° C.
density: about 1.773g/cm³.
4-bromo-3-chrooaniline has certain applications in chemical synthesis, and is usually used as an intermediate or raw material to prepare other compounds. It is often used in the synthesis of various organic compounds, such as drugs, dyes and pesticides. Its specific uses include fluorescent dyes, fireworks pigments, chemical analysis reagents, etc.
The methods for preparing 4-Bromo-3-chloroaniline are mainly as follows:
1. 3-Chloroaniline is reacted with bromine in the presence of a base.
2.4-bromo -3-chloronitrobenzene is reduced by the substitution reduction reaction of amino group.
When using and handling 4-Bromo-3-chloroaniline, you need to pay attention to the following safety information:
1. This compound may be irritating to the eyes, skin and respiratory tract, and care should be taken to avoid contact.
2. During operation, should wear appropriate personal protective equipment, such as gloves, glasses and protective clothing.
3. Operate in a well-ventilated place to avoid inhaling its vapor or dust.
4. During storage and transportation, it should be kept away from fire and oxidant to avoid fire or explosion.
5. In the disposal of waste, should follow the local regulations, the correct disposal.
Last Update:2024-04-09 19:05:47