4-溴-2-甲基1-硝基苯

4-溴-2-甲基1-硝基苯 - Names and Identifiers

Name	2-bromo-5-nitrotoluene
Synonyms	TIMTEC-BB SBB006703 3-Bromo-6-nitrotoluene 2-BROMO-5-NITROTOLUENE 5-BROMO-2-NITROTOLUENE 5-Bromo-2-nitrotoluene 2-bromo-5-nitrotoluene BROMO(5-)-2-NITROTOLUENE 2-bromo-5-nitromethylbenzene 3-METHYL-4-BROMONITROBENZENE 4-Bromo-6-methylnitrobenzene 4-BroMo-2-Methylnitrobenzene 1-Nitro-3-methyl-4-bromobenzene 4-BROMO-2-METHYL-1-NITROBENZENE 5-Bromo-1-methyl-2-nitrobenzene 4-Bromo-2-methyl-1-nitrobenzene 1-bromo-2-methyl-4-nitrobenzene 1-Methyl-2-bromo-5-nitrobenzene Benzene,4-bromo-2-methyl-1-nitro- Benzene,4-broMo-2-Methyl-1-nitro- Toluene,5-bromo-2-nitro- (6CI,7CI) benzene, 4-bromo-2-methyl-1-nitro- 4-Bromo-2-methyl-1-nitrobenzene, 4-Bromo-2-methylnitrobenzene
CAS	7149-70-4 52414-98-9
EINECS	230-481-4
InChI	InChI=1/C7H6BrNO2/c1-5-4-6(9(10)11)2-3-7(5)8/h2-4H,1H3
InChIKey	HIMGPQVBNICCGL-UHFFFAOYSA-N

4-溴-2-甲基1-硝基苯 - Physico-chemical Properties

Molecular Formula	C7H6BrNO2
Molar Mass	216.03
Density	1.615
Melting Point	53-55℃
Boling Point	265℃
Flash Point	114℃
Vapor Presure	0.0074mmHg at 25°C
Appearance	Brown powder
BRN	1940342
Storage Condition	Sealed in dry,Room Temperature
Refractive Index	1.6120 (estimate)
MDL	MFCD00007281

4-溴-2-甲基1-硝基苯 - Risk and Safety

Risk Codes	R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
Safety Description	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. S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes.
WGK Germany	3
HS Code	29049090
Hazard Class	IRRITANT
Packing Group	II

4-溴-2-甲基1-硝基苯 - Introduction

2-bromo-5-nitrotoluene is an organic compound with the chemical formula C7H6BrNO2. The following is a description of the nature, use, preparation and safety information of 2-bromo-5-nitrotoluene:

Nature:
-Appearance: 2-bromo-5-nitrotoluene is a white to light yellow crystal or crystalline powder.
-Melting point: about 60-62 degrees Celsius.
-Boiling point: about 264 degrees Celsius.
-Density: about 1.58-1.69g/cm³.
-Solubility: Soluble in organic solvents such as ethanol and chlorinated hydrocarbons, insoluble in water.

Use:
- 2-bromo-5-nitrotoluene is mainly used as an intermediate in organic synthesis.
-It can be used to synthesize compounds such as pesticides, dyes and medicines.

Preparation Method:
2-bromo-5-nitrotoluene can be obtained by bromination of toluene and then nitration. The specific synthesis path is as follows:
1. Add toluene to a solvent, such as sodium carbonate solution or aldehyde condensation agent.
2. Add a brominating agent (such as bromine chloride, hydrogen bromide or bromine iodide, etc.) to toluene to carry out the bromination reaction.
3. a nitrating agent (such as a mixture of concentrated nitric acid and sulfuric acid) is added to the reaction system to carry out the nitrification reaction.
4. Further purification and crystallization to give 2-bromo-5-nitrotoluene.

Safety Information:
- 2-bromo-5-nitrotoluene is an organic compound with certain toxicity and should be handled and stored correctly.
-This compound may be carcinogenic, sensitizing and irritating to humans. Direct contact with skin and inhalation of its odor should be avoided.
-Wear appropriate personal protective equipment such as gloves, goggles and protective clothing when using and handling 2-bromo-5-nitrotoluene.
-During storage and transportation, avoid contact with combustibles and oxidants, and ensure that you stay away from fire and high temperature.
-When handling or disposing of waste, proper disposal should be carried out in accordance with local laws and regulations.

Last Update：2024-04-09 02:00:47