4-Hydroxyphenylacetic acid CAS 156-38-7
4-Hydroxyphenylacetic acid waa budo crystalline cad ama wax yar huruud ah. Barta dhalaalka 149-151 ℃. Waa la hoos marin karaa Ku milmo ether, ethanol, iyo ethyl acetate. 4-Hydroxyphenylacetic acid waxay leedahay miisaan unugyo qaraabo ah oo ah 152.15. Barta dhalaalka 149-151 ℃. Waa la hoos marin karaa
Shayga | Tilmaamid |
Barta karkarinta | 234.6°C (qiyaasta qallafsan) |
Cufnaanta | 1.2143 (qiyaasta adag) |
barta dhalaalaysa | 148-151 °C ( shidan) |
Refractivity | 1.4945 (qiyaas) |
Xaaladaha kaydinta | Jawi aan firfircoonayn |
pKa | 4.50±0.10 (La saadaaliyay) |
Isku-dhafka dabiiciga ah ee 4-hydroxyphenylacetic acid. Dhexdhexaadiyeyaasha isku-dhafka dabiiciga ah waxaa loo isticmaalaa soo saarista β-blockers atenolol iyo walaxda firfircoon ee Pueraria lobata daidzein -4,7-dihydroxyflavone; 4-Hydroxyphenylacetic acid sidoo kale waxaa loo isticmaali karaa dhexdhexaadiye sunta cayayaanka ah. Dareen-celinta Acylation-ka ee xeryahooda phenolic iyo xeryahooda aminiga.
Caadi ahaan waxaa lagu buuxiyaa 25kg/durbaan, sidoo kale waxaa la samayn karaa xirmo habaysan.
4-Hydroxyphenylacetic acid CAS 156-38-7
4-Hydroxyphenylacetic acid CAS 156-38-7