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Product Name: 2,2'-Dihydroxy-4,4'-dimethoxybenzophenone
Other Name: Bis(2-hydroxy-4-methoxyphenyl)methanone
CAS No: 131-54-4
MF: C15H14O5
MW: 274.26900
Density: 1.291g/cm3
Boiling point: 439.3ºC at 760mmHg
Melting point: 133-136 °C(lit.)
Flash point: 164.4ºC
Refractive index: 1.605
UN Number: Not dangerous goods.
UN Proper Shipping Name: Not dangerous goods.
Transport hazard class: Not dangerous goods.
Packing group: Not dangerous goods.
Specification
Appearance: Light yellow crystalline powder
Assay: ≥99%
Loss on drying: ≤0.50%
Transmittance: 300-400nm ≤1%; 450-550nm ≥90％; 500nm ≥95％
Hazen: ≤4.0
K value(330nm): ≥49.0
Application
This product is a water-soluble neutral broad-spectrum benzophenone ultraviolet absorber.
It has high absorption efficiency, non-toxicity, no teratogenic side effects, good light and heat stability, etc.
A common light stabilizer, a type of substance that can strongly and selectively absorb high-energy ultraviolet light and perform energy conversion to release or deplete energy in the form of heat or harmless low-energy radiation.
Mainly used in water-soluble chemical sunscreens, sunscreens, lotions.
It can improve the durability of dyed textile color, prevent the yellowing of wool textiles, prevent the discoloration of synthetic fiber fabrics, and can be used in hair products such as hair gels and mousses to prevent hair damage caused by ultraviolet radiation to whiten.
Package: 25kg/drum, can also be designed according to customer requirements.
Storage: Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
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