Drometrizole/Ultraviolet absorbent UV-P CAS 2440-22-4

Product Name: Drometrizole/Ultraviolet absorbent UV-P
CAS: 2440-22-4
MF: C13H11N3O
MW: 225.25
Appearance: Slight yellow crystal
Assay: 99.0% min
Melting point: 125.5-129.5 °C
Package: 20kg/bag

[Typical Properties]

Slight yellow crystal. Soluble in various organic solvents such as gasoline, benzene, acetone, etc., with low solubility in water. Can dissolve in alkali to form yellow salts.

[Specification]

Item	Standard
Appearance	Slight yellow crystal
Melting point	≥128.0℃
Melting point	≤132.0℃
Volatile	≤0.5%
Ash	≤0.10%
Clarity of solution	Clear
Transmittance
@440nm	≥97.0%
@500nm	≥98.0%
Assay	≥99.0%

[Usage]

As a UV absorber, this product is mainly suitable for polyester, epoxy cellulose acetate, polyvinyl chloride, polystyrene, organic glass, polyacrylonitrile resin, etc. The maximum absorption wavelength range is 270-380nm. General dosage: 0.1-0.5% for thin products and 0.05-0.2% for thick products.

[Storage]

Keep tightly closed.Store in dry and ventilated place.Keep away from fire,heat sources and oxidants.

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