SoleChem

Drometrizole

CAS
2440-22-4
EC
219-470-5
Mol. Weight
225.25 g/mol

Description

Drometrizole (CAS 2440-22-4), commonly known in the industry as UV-P, is a benzotriazole-class UV absorber used to protect organic substrates from photodegradation. It absorbs UV radiation in the 300–385 nm range, preventing yellowing and color fade.

This chemical prevents mechanical degradation in light-exposed materials. In plastics and polymer compounding, UV-P is incorporated into polyolefins, PVC, and engineering resins to extend service life in outdoor or UV-exposed end products.

Coatings formulators use it in industrial and architectural finishes where long-term gloss retention and substrate protection are required. Adhesives and sealant manufacturers add it to formulations where UV exposure would cause embrittlement.

In personal care, this compound is used as a UV filter in cosmetic formulations including sunscreens and leave-on products. It provides broad UV-A/UV-B protection and ensures the stability of the final consumer product.

The material is supplied as a white to light yellow crystalline powder. It is available in technical grade for industrial polymer and coatings applications, as well as cosmetic grade meeting high purity standards.

Packaging typically ranges from kilogram quantities up to multi-hundred kilogram drums to suit both development-scale and commercial production volumes. Our material meets rigorous quality control protocols for consistency.

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Physical Properties

Melting Point 131-133 °C
Boiling Point 225 °C @ Press: 10 Torr
Density 1.38
Flash Point 54°C
Color Off-White to Pale Yellow
Form Solid
Water Solubility 173μg/L at 20℃
Vapor Pressure 0Pa at 20℃
Refractive Index 1.5600 (estimate)
Log P 4.2 at 25℃

Safety & Handling (Learn More)

Warning GHS07 GHS09
Hazard Statements
H317 May cause an allergic skin reaction
H410 Very toxic to aquatic life with long lasting effects
H413 May cause long lasting harmful effects to aquatic life
Precautionary Statements
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P272 Contaminated work clothing should not be allowed out of the workplace.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P321 Specific treatment (see … on this label).
P391 Collect spillage.
P501 Dispose of contents/container in accordance with local regulations.
P302+P352 IF ON SKIN: Wash with plenty of water.
P333+P317 Get emergency medical help.
P362+P364 Take off contaminated clothing and wash it before reuse.

Trade & Regulatory

HS Code 29339900
Storage Class 11 - Combustible Solids
WGK (Germany) 1

Documentation

Other Names

UV-P|2-(2-HYDROXY-5-METHYLPHENYL)BENZOTRIAZOLE|2-(2H-Benzotriazol-2-yl)-4-methylphenol|Phenol, 2-(2H-benzotriazol-2-yl)-4-methyl-|5X93W9OFZL|p-Cresol, 2-(2H-benzotriazol-2-yl)-|Tinuvin P|PHENOLIC BENZOTRIAZOLE

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