4-methyl-6-(2-methyl-2-propenyl)-

4-methyl-6-(2-methyl-2-propenyl)- - Names and Identifiers

Name	2-(2H-benzotriazol-2-yl)-4-methyl-6-(2-methylprop-2-en-1-yl)phenol
Synonyms	4-methyl-6-(2-methyl-2-propenyl)- Phenol, 2-(2H-benzotriazol-2-yl)- 3-METHALLYL-2-HYDROXY-5-METHYLPHENYL 3-METHALLYL-2-HYDROXY-5-METHYLPHENYLBENZOTRIAZOLE 2-Benzotriazol-2-yl-4-methyl-6-(2-methylallyl)phenol 1-METHALLYL-2-(2-HYDROXY-5-METHYL PHENYL) BENZOTRIAZOLE 1-Methallyl-2-(2-Hydroxy-5-Methyl Phenyl) Benzotriazole 2-(2'-Hydroxy-3'-Methallyl-5'-MethylPhenyl)-benzotriazole 2-(2H-benzotriazol-2-yl)-4-methyl-6-(2-methylprop-2-en-1-yl)phenol 4-Methyl-2-(1-(2-Methylallyl)-1H-benzo[d][1,2,3]triazol-2(3H)-yl)phenol Drometrizole Trisiloxane Related Compound B (25 mg) (2-(2H-Benzotriazol-2-yl)-6-(isobuten-3-yl)-p-cresol)
CAS	98809-58-6
EINECS	419-750-9
InChI	InChI=1/C17H17N3O/c1-11(2)8-13-9-12(3)10-16(17(13)21)20-18-14-6-4-5-7-15(14)19-20/h4-7,9-10,21H,1,8H2,2-3H3

4-methyl-6-(2-methyl-2-propenyl)- - Physico-chemical Properties

Molecular Formula	C17H17N3O
Molar Mass	279.34
Density	1.18±0.1 g/cm3(Predicted)
Boling Point	460.1±55.0 °C(Predicted)
Flash Point	232.063°C
Vapor Presure	0mmHg at 25°C
pKa	8.19±0.50(Predicted)
Storage Condition	2-8°C
Refractive Index	1.628

4-methyl-6-(2-methyl-2-propenyl)- - Risk and Safety

HS Code

2933997500

4-methyl-6-(2-methyl-2-propenyl)- - Introduction

2-(2 '-Hydroxy-3'-methallyl-5 '-methylphenyl) benzotriazole (2-(2H-benzotriazol
2-yl)-4-methyl-6-(2-methylprop-2-en-1-yl)phenol) is a commonly used ultraviolet absorber, also known as UV-326. The following is a description of its nature, use, preparation and safety information:

Nature:
-Appearance: White crystalline powder
-Molecular formula: C20H19N3O
-Molecular weight: 317.39g/mol
-melting point: 148-150 ℃
-Solubility: Insoluble in water, soluble in organic solvents such as ethanol, ether
-Stability: stable at room temperature, but more sensitive to light and heat

Use:
-As a UV absorber, it can be widely used in plastics, rubber, coatings, dyes, colloids, cellulose and other materials. It can absorb ultraviolet rays, prevent the aging, fading and deterioration of materials, and extend the service life of the product.
-It can also be used as an additive to protect against the sun in cosmetics and personal care products.

Preparation Method:
- 2-(2 '-hydroxy -3'-methallyl-5 '-methylphenyl) benzotriazole can be prepared by the coupling reaction of benzotriazole. The specific preparation method can refer to the relevant scientific literature or patent.

Safety Information:
- 2-(2 '-hydroxy-3'-methallyl-5 '-methylphenyl) benzotriazole has little impact on the human body and the environment under standard use conditions.
-When using, pay attention to the correct operation method and follow the relevant safety guidelines.
-Avoid inhaling dust or contact with skin and eyes during handling and use.
-If you touch your eyes or skin externally, rinse immediately with plenty of water and seek medical help.
-In use and storage should pay attention to avoid contact with combustibles, away from open flames and heat sources.
-Try to avoid the discharge of this substance into the environment, and properly dispose of the waste according to local regulations.

Last Update：2024-04-09 15:18:01