| CAS No.: | 131-56-6 |
|---|---|
| Formula: | C13h10o3 |
| EINECS: | 205-029-4 |
|
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Light yellow needle-like crystals or white powder. Melting point 142.6-144.6 °C. Solubility of 25 °C (g/100 ml solvent): acetone > 50, benzene 1, ethanol> 50 water< 0.5, n-heptane < 0.5.
Synonyms: hhb; UV-0; Uf 1; BP-1; uv12; SYNSORB; 2,4-DHBP; dastib263; Aduvex 12; Viosorb 100; Advastab 48; Seesorb 100; Sumisorb 100; MFCD00002277; Ultrafast 800; benzophenone-1; EINECS 205-029-4; 4-Benzoylresorcinol; 2,4-Dihydroxybenzofenon; 2,4-dihydroxy-benzophenon; 2,4-Dihydroxtbenzophenone; 2,4-dihydroxy benzophenone; 2,4-dihydroxy-benzophenone; 2,4-dihydroxydiphenylketone; 2,4-dihydroxyphenyl phenylmethanone; (2,4-dihydroxyphenyl)phenyl-methanon; (2,4-Dihydroxyphenyl)(phenyl)methanone; Methanone, (2,4-dihydroxyphenyl)phenyl-; (2,4-Dihydroxyphenyl)-phenylmethanon (2,4-dihydroxybenzophenon); (2,4-dihydroxyphenyl)-phenylmethanone
| Melting point | 144.5-147 °C(lit.) |
| Boiling point | 194 °C (1 mmHg) |
| density | 1,32 g/cm3 |
| vapor pressure | 0Pa at 25ºC |
| refractive index | 1.5090 (estimate) |
| Fp | 125 °C |
| storage temp. | Store below +30°C. |
| solubility | Chloroform (Slightly, Heated), Ethanol (Slightly, Heated) |
| pka | 7.72±0.35(Predicted) |
| form | Crystalline Powder |
| color | Yellow |
Used in plastics as a light stabilizer, it can effectively protect plexiglass and cloth and prevent cloth from deteriorating due to light.
Used as ultraviolet absorber.
Packaging Detail: 25 kg paper bag or as the request of customer.
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