benzoic acid, 2-bromo-5-nitro- - Names and Identifiers
benzoic acid, 2-bromo-5-nitro- - Physico-chemical Properties
Molecular Formula | C7H4BrNO4
|
Molar Mass | 246.01 |
Density | 2.0176 (rough estimate) |
Melting Point | 180-181 °C (lit.) |
Boling Point | 370.5±32.0 °C(Predicted) |
Flash Point | 177.8°C |
Solubility | Chloroform, Methanol |
Vapor Presure | 3.83E-06mmHg at 25°C |
Appearance | Powder |
Color | Light beige to pale brown |
BRN | 980242 |
pKa | 2.15±0.10(Predicted) |
Storage Condition | Room Temprature |
Refractive Index | 1.6200 (estimate) |
MDL | MFCD00134558 |
benzoic acid, 2-bromo-5-nitro- - Risk and Safety
Hazard Symbols | Xi - Irritant
|
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.
S37/39 - Wear suitable gloves and eye/face protection
|
WGK Germany | 3 |
HS Code | 29163990 |
benzoic acid, 2-bromo-5-nitro- - Introduction
2-Bromo-5-nitrobenzoic acid is an organic compound with the chemical formula C7H4BrNO4. The following is a description of its nature, use, preparation and safety information:
Nature:
- 2-Bromo-5-nitrobenzoic acid is a yellow solid crystal, odorless.
-It is insoluble in water at room temperature, but soluble in organic solvents such as ethanol, chloroform and dimethyl sulfoxide.
-It has a certain degree of stability, but it can react in the presence of strong oxidants.
Use:
- 2-Bromo-5-nitrobenzoic acid is often used as an important intermediate in organic synthesis reactions.
-It can react with other compounds to form new organic compounds.
-It can also be used to prepare fluorescent dyes, pesticides and pharmaceutical chemicals.
Method:
- 2-Bromo-5-nitrobenzoic acid can be prepared by the following steps:
1. benzoic acid is reacted with concentrated nitric acid to obtain nitrobenzoic acid.
2. adding bromine to react with nitrobenzoic acid under appropriate conditions to generate 2-Bromo-5-nitrobenzoic acid.
Safety Information:
- 2-Bromo-5-nitrobenzoic acid is an organic compound, and attention should be paid to its toxicity.
-In the operation, should wear protective glasses and gloves, avoid skin contact.
-Operate in a well-ventilated environment to avoid inhaling dust or gas from the substance.
-If an overdose of the substance is taken by mistake or inhaled, consult a doctor immediately and inform the doctor of the situation.
-Keep away from fire and heat and store in a cool, dry place.
Last Update:2024-04-09 19:05:53