5-(BROMOMETHYL)-1-METHYL-1H-1,2,3-BENZOTRIAZOLE

5-(BROMOMETHYL)-1-METHYL-1H-1,2,3-BENZOTRIAZOLE - Names and Identifiers

Name	5-(Bromomethyl)-1-methyl-1H-1,2,3-benzotriazole
Synonyms	5-(bromomethyl)-1-methyl-benzotriazole 5-(Bromomethyl)-1-methyl-1H-benzotriazole 5-(BroMoMethyl)-1-Methyl-1H-benzotriazole 1H-Benzotriazole, 5-(bromomethyl)-1-methyl- 5-(BROMOMETHYL)-1-METHYL-1H-1,2,3-BENZOTRIAZOLE 5-(Bromomethyl)-1-methyl-1H-1,2,3-benzotriazole 5-(bromomethyl)-1-methyl-1H-benzo[d][1,2,3]triazole 5-(Bromomethyl)-1-methyl-1H-benzo[d][1,2,3]triazole
CAS	499770-76-2
InChI	InChI=1/C8H8BrN3/c1-12-8-3-2-6(5-9)4-7(8)10-11-12/h2-4H,5H2,1H3

5-(BROMOMETHYL)-1-METHYL-1H-1,2,3-BENZOTRIAZOLE - Physico-chemical Properties

Molecular Formula	C8H8BrN3
Molar Mass	226.07
Density	1.66±0.1 g/cm3(Predicted)
Melting Point	120 °C
Boling Point	355.7±17.0 °C(Predicted)
Flash Point	168.943°C
Vapor Presure	0mmHg at 25°C
pKa	1.04±0.30(Predicted)
Storage Condition	under inert gas (nitrogen or Argon) at 2-8°C
Refractive Index	1.685

5-(BROMOMETHYL)-1-METHYL-1H-1,2,3-BENZOTRIAZOLE - Risk and Safety

Hazard Symbols	C - Corrosive
Risk Codes	34 - Causes burns
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.
UN IDs	3261

5-(BROMOMETHYL)-1-METHYL-1H-1,2,3-BENZOTRIAZOLE - Introduction

5-(Bromomethyl)-1-methyl-1H-1,2,3-benzotriazole is an organic compound with the chemical formula C10H8BrN3. The following is a description of the properties, uses, preparation and safety information of this compound:

Nature:
-Appearance: colorless or light yellow crystal
-Melting point: 110-115°C
-Boiling point: 298°C
-Density: 1.62g/cm³
-Solubility: High solubility in common organic solvents

Use:
- 5-(Bromomethyl)-1-methyl-1H-1,2,3-benzotriazole is an important protective agent used to prevent the decomposition and fading of photosensitizers and textile dyes during storage and use.
-It can also be used as a monomer for photosensitive polymers, and has a wide range of applications in the fields of organic synthesis, coatings and inks.

Preparation Method:
- 5-(Bromomethyl)-1-methyl-1H-1,2,3-benzotriazole can be obtained by reacting benzyl bromide with p-toluene-α,α,α-trimethylamine. Specific steps are as follows:
1. In dichloromethane, mix benzyl bromide and p-toluene-α,α,α-trimethylamine.
2. Triethylamine was added as a base catalyst.
3. Reaction at an appropriate temperature for a certain period of time.
4. The product was purified by crystallization or column chromatography.

Safety Information:
- 5-(Bromomethyl)-1-methyl-1H-1,2,3-benzotriazole is an organic compound and should be used in accordance with the safe operation procedures of laboratory chemicals.
-Wear appropriate protective equipment during operation, including goggles, protective gloves and lab coats.
-avoid direct contact with skin and eyes, such as accidental contact, should immediately rinse with plenty of water.
-Avoid inhaling dust during operation. If inhaled too much, move to fresh air for rest and seek medical attention if necessary.
-Keep away from flammables and oxidants, and store in a dry, cool, well-ventilated place.

Last Update：2024-04-10 22:29:15