Drometrizol

Structural formula
General
Surname	Drometrizol
other names	2- (2'-Hydroxy-5'-methylphenyl) benzotriazole 2- (2 H -Benzotriazol-2-yl) - p -cresol UV-P DROMETRIZOLE ( INCI )
Molecular formula	C 13 H 11 N 3 O
Brief description	white to yellowish odorless solid
External identifiers / databases
CAS number 2440-22-4 EC number 219-470-5 ECHA InfoCard 100,017,700 PubChem 17113 ChemSpider 16197 Wikidata Q27263002
properties
Molar mass	225.24 g mol −1
Physical state	firmly
density	1.39 g cm −3
Melting point	125.5-129.5 ° C
boiling point	225 ° C (13 hPa)
solubility	practically insoluble in water (0.17 mg l −1 at 20 ° C)
safety instructions
GHS labeling of hazardous substances Caution H and P phrases H: 317-413 P: 280
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Drometrizol is an anti- aging agent from the 2- (2-hydroxyphenyl) -2 H -benzotriazole class .

properties

Drometrizol is a flammable , difficult to ignite , white to yellowish odorless solid that is practically insoluble in water.

use

Drometrizol is used in cosmetics as a UV absorber and stabilizer in plastics, polyesters , celluloses , acrylates , dyes, rubber, synthetic and natural fibers, waxes, detergents and adhesives . It is also used in hair and nail care products.

The derivative drometrizoltrisiloxane (CAS number 155633-54-8) is used in sun creams and make-up .

Individual evidence

1. ↑ Entry on DROMETRIZOLE in the CosIng database of the EU Commission, accessed on January 21, 2020.
2. ↑ ^{a b c d e f g h i} Entry on 2- (2H-Benzotriazol-2-yl) -p-cresol in the GESTIS substance database of the IFA , accessed on January 18, 2020(JavaScript required) .
3. ↑ http://www.alles-zur-allergologie.de/Allergologie/Artikel/5655/Allergen,Allergie/Drometrizol/
4. ↑ Survey and health assessment of UV filters , Survey of chemical substances in consumer products No. 142, 2015.