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Trade name: 2,2 ', 4,4' - Tetrahydroxybenzophenone
Alias: benzophenone-2
Molecular formula: C13H10O5
Molecular weight: 246.0
CAS No.: 131-55-5
HS NO.：2914399090
Product specification:
1. Appearance: light yellow crystalline powder
2. Content: ≥ 99.0%
3. Loss on drying: ≤ 0.5%
4. Melting point: ≥ 195.0 ℃
5. Chromaticity: ≤ 3.0
6. Specific absorption coefficient A1 / 1 (345nm): ≥ 580
7. Turbidity: 12ntu
The product is an ultraviolet absorber with an absorption wavelength range of 320-400 nm. It has symmetrical benzene rings and hydroxyl groups on both sides. Its thermophotochemical properties are stable. It is widely used in polyester, coatings and cosmetics. In recent years, its application in fabric has attracted more and more attention in the textile industry.
This product is a general chemical product with good storage and transportation stability, non flammable and explosive, non-toxic and harmless.
Manufacturing
