4-Hydroxybenzophenone CAS NO.1137-42-4

4-Hydroxybenzophenone (CAS No. 1137-42-4) is an organic compound with the molecular formula C₁₃H₁₀O₂ and a molecular weight of 198.22 g/mol. It is widely used as a UV absorber and photostabilizer in industrial and cosmetic applications.

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TECHNICAL SPECIFICATIONS

Item	Specification
Product Name	4-Hydroxybenzophenone
CAS NO.	1137-42-4
Appearance	White to off-white crystalline powder
Molecular Formula	C₁₃H₁₀O₂
Molecular Weight	198.22 g/mol
Amino Acid Sequence	Not applicable (organic compound)
Purity (RP-HPLC)	≥98.0%
Solubility	Soluble in ethanol, acetone, DMSO, and ether; slightly soluble in water
Endotoxin	<1.0 EU/mg
Biological Activity	UV absorber and photostabilizer; used in sunscreen formulations, polymer stabilizers, and organic synthesis intermediates.
Storage Conditions	Store at room temperature, protected from light and moisture.
Stock Location	Stock in USA
MOQ	100g

1.MECHANISM OF ACTION

4-Hydroxybenzophenone functions by absorbing ultraviolet (UV) radiation, particularly in the UV-A and UV-B ranges, and converting it into harmless thermal energy. This photochemical property helps prevent UV-induced degradation of materials and protects substrates from light-induced damage.

2.PRODUCT INDICATIONS

This compound is primarily used as a UV stabilizer in plastics, coatings, adhesives, and synthetic polymers to extend product lifespan. In cosmetics, it is formulated into sunscreens and skincare products to provide protection against sun damage and support photostability in formulations.

3.CLINICAL EFFICACY OF PRODUCT

While not intended for direct therapeutic use, 4-Hydroxybenzophenone contributes to the efficacy of sunscreen formulations by enhancing UV blocking capacity. Its role in material science helps maintain the integrity and durability of products exposed to sunlight, though it is not evaluated for standalone clinical effects.

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