PABA Cas: 150-13-0
Lambar Catalog | Saukewa: XD91210 |
Sunan samfur | PABA |
CAS | 150-13-0 |
Tsarin kwayoyin halitta | Saukewa: C7H7NO2 |
Nauyin Kwayoyin Halitta | 137.14 |
Bayanin Ajiya | yanayi |
Harmonized Tariff Code | 29224985 |
Ƙayyadaddun samfur
Bayyanar | Farar ko kashe-fari crystalline foda |
Asay | 99% min |
Asara akan bushewa | <0.2% |
Ragowa akan Ignition | <0.1% |
Rawan narkewa | 186-189 ° C |
Najasa Na Al'ada | <1% |
Karfe mai nauyi | <0.002% |
Abubuwan da ba za a iya jurewa ba | <0.002% |
4-Aminobenzoic acid (wanda kuma aka sani da para-aminobenzoic acid ko PABA saboda ƙungiyoyin aiki guda biyu suna haɗe zuwa zoben benzene daga juna a cikin matsayi na para) wani fili ne na kwayoyin halitta tare da dabarar H2NC6H4CO2H.PABA fari ne mai ƙarfi, kodayake samfuran kasuwanci na iya bayyana launin toka.Yana da ɗan narkewa cikin ruwa.Ya ƙunshi zoben benzene wanda aka maye gurbinsa da ƙungiyoyin amino da carboxyl.Ginin yana faruwa sosai a cikin duniyar halitta.
4-Aminobenzoic acid shine tsaka-tsaki a cikin haɗin folate ta kwayoyin cuta, tsire-tsire, da fungi.
PABA ya sami amfani da yawa a fannin ilimin halittu.Sauran amfani sun haɗa da jujjuya shi zuwa rini na azo na musamman da ma'aikatan haɗin gwiwa.Hakanan ana amfani da PABA azaman maganin kashe qwari, ko da yake amfani da shi yanzu yana iyakance saboda haɓakar sabbin nau'ikan magungunan kashe qwari.