2,4-Dihydroxybenzophenone CAS 131-56-6
2,4-Dihydroxybenzophenone yog daj ntseg acicular siv lead ua los yog hmoov dawb.Melting point 142.6-144.6 ℃.Solubility ntawm 25 ℃ (g / 100 ml hnyav): acetone>50, benzene 1, ethanol>50 dej <0.5, n-heptane <0.5.2,4-Dihydroxybenzophenone muaj me ntsis solubility hauv dej thiab tsis decomposed los ntawm concentrated alkali thiab concentrated acid.
| Yam khoom | Specification |
| Melting point | 144.5-147 ° C (lit.) |
| Boiling point | 194 ° C (1 mmHg) |
| Qhov ntom | 1,32 g / cm3 |
| Vapor siab | 0Pa ntawm 25 ℃ |
| Refractive Index | 1.5090 (kwv yees) |
| Flash point | 125 ° C |
| LogP | 2.964 ntawm 25 ℃ |
| Acidity coefficient (pKa) | 7.72 ± 0.35 (Tshaj tawm) |
2,4-Dihydroxybenzophenone feem ntau yog siv rau hauv cov yas thiab lwm yam ua lub teeb stabilizer, uas tuaj yeem tiv thaiv cov iav thiab cov ntaub ntawv zoo, tiv thaiv cov ntaub ntawv los ntawm kev puas tsuaj vim lub teeb, thiab kuj tseem siv los ua ib qho nruab nrab los ua rau lwm yam ultraviolet absorbers.
25kg / nruas los yog raws li tus neeg yuav tsum tau muaj.
2,4-Dihydroxybenzophenone CAS 131-56-6
2,4-Dihydroxybenzophenone CAS 131-56-6
