4-Hydroxybenzoic acid CAS 99-96-7
4-Hydroxybenzoic acid, wanda aka fi sani da nipagin ester, ana amfani da shi ne a cikin miyar waken soya, jam, abubuwan sha masu daɗi, da sauransu. Farin foda ne mai launin crystalline ko farin crystalline, ba shi da ƙamshi kuma ba shi da ɗanɗano. Tasirin hana lalata ya fi benzoic acid da gishirin sodium ɗinsa kyau, tare da yawan amfani da shi kusan 1/10 na sodium benzoate da kewayon amfani da shi na pH 4-8.
| Abu | Ƙayyadewa |
| Wurin tafasa | 213.5°C (kimanin ƙiyasin) |
| Yawan yawa | 1.46 g/cm3 |
| Wurin narkewa | 213-217 °C (haske) |
| Matsi na tururi | 0Pa a 20℃ |
| juriya | 1.4600 (kimantawa) |
| Yanayin ajiya | Ajiye a ƙasa da +30°C. |
Ana amfani da 4-Hydroxybenzoic acid galibi a matsayin kayan asali na asali don samfuran sinadarai masu kyau, yayin da parabens, wanda aka fi sani da p-hydroxybenzoic acid esters, an yi amfani da su sosai a matsayin abubuwan kiyayewa a abinci, magani, da kayan kwalliya. Haka kuma ana amfani da su sosai wajen shirya nau'ikan rini, maganin kashe ƙwayoyin cuta, fim ɗin launi, da kuma nau'ikan masu haɗa launuka daban-daban na mai. Sabon polyester mai jure zafi mai zafi mai ƙarfi na p-hydroxybenzoic acid, wanda ke da aikace-aikace iri-iri, ana kuma amfani da shi azaman kayan asali.
Yawancin lokaci ana cika shi da 25kg / ganga, kuma ana iya yin kunshin da aka keɓance.
4-Hydroxybenzoic acid CAS 99-96-7
4-Hydroxybenzoic acid CAS 99-96-7
