Benzophenone-3 (CAS:131-57-7)

Benzophenone-3(LOTSORB BP-3)

Description

Lotsorb BP3 is an oil soluble ultraviolet absorber widely used in sunscreens and cosmetics. As a broadband it's an effective absorber of UV A & UV B radiation. Lotsorb BP3 has a high resistance to thermal degradation. The product is compatible with a wide variety of polymers. It can also offer protection of colorants against fading and help stabilize fragrances and active ingredients against degradation or oxidation.

Chemical name: 2-Hydroxy-4- methoxybenzophenone

INCI/USAN name: Benzophenone-3 / Oxybenzone

CAS number: 131-57-7

Formula: C₁₄H₁₂O₃

MW 228.24 g/mol

UV A & B absorber: Oil Soluble powder

Typical properties

Appearance: Pale greenish yellow crystalline powder

Assay: 97 – 103%

Melting Point 62 – 65 ⁰C

Congealing temperature ≥ 62 °C

Specific Extinction (E288 nm 1%, 1cm): ≥ 630

Specific Extinction (E325 nm 1%, 1cm): ≥ 410

Regulatory Status:

EU 6% Max. as UV filter

Regulation (EC) No 1223/2009 Annex VI entry 4

EU 0.5% Max to protect product formulations

Storage:

Must be stored in closed containers in dry cool conditions. Minimum shelf life of 3 years in unopened containers under appropriate conditions of storage.

Packaging and Handling

Packaging: 25Kg/Carton

Store the product in a cool, dry, well-ventilated area away from incompatible materials. Unless stated, proper storage will permit usage of the product for 12 months from the manufacture date. For additional handling and toxicological information, consult the Material Safety Data Sheet.