Salicylic acid Cas: 69-72-7
Nọmba katalọgụ | XD92029 |
Aha ngwaahịa | Salicylic acid |
CAS | 69-72-7 |
Ụdị molekụlala | C7H6O3 |
Ibu molekụla | 138.12 |
Nkọwa nchekwa | 2-8 Celsius C |
Koodu tarifu akwadoro | 29182100 |
Nkọwapụta ngwaahịa
Ọdịdị | Na-acha ọcha na-acha ọcha ntụ ntụ |
Asay | 99% nkeji |
Ebe mgbaze | 158-161 Celsius C (ọkụ) |
Ebe esi nri | 211C (ọkụ) |
njupụta | 1.44 |
uzuoku njupụta | 4.8 (na ikuku) |
uzuoku mgbali | 1 mm Hg (114 Celsius C) |
index refractive | 1,565 |
Fp | 157 Celsius C |
solubility | ethanol: 1 M na 20 Celsius C, doro anya, enweghị agba |
pka | 2.98 (na 25 ℃) |
PH | 2.4 (H2O) (ihe ngwọta zuru oke) |
Ọnụ ego PH | Enweghị uorescence (2.5) ruo na-acha anụnụ anụnụ 0 uorescence (4.0) |
Mmiri Solubility | 1.8 g/L (20ºC) |
kacha | 210nm, 234nm, 303nm |
Mmetụta | Ìhè nwere mmetụta |
Sublimation | 70ºC |
Salicylic acid bụ ihe eji elekọta anụ ahụ FDA kwadoro nke a na-eji maka ọgwụgwọ ihe otutu, na ọ bụ naanị beta hydroxy acid (BHA) ejiri na ngwaahịa nlekọta anụ ahụ.Zuru oke maka akpụkpọ ahụ nwere mmanu mmanu, a kacha mara salicylic acid maka ike ya ihichapụ oke mmanụ site na pores ma belata mmepụta mmanụ na-aga n'ihu.N'ihi na salicylic acid na-eme ka pores dị ọcha ma ghara ịgbachi, ọ na-egbochi isi ọcha na isi ojii ka ọ ghara ịmalite.Salicylic acid na-ekpochapụkwa akpụkpọ ahụ nwụrụ anwụ, yana ihe ndị na-egbochi mkpali ya na-eme ka ọ bụrụ isi ihe maka ndị nwere psoriasis.Salicylic acid na-apụtakarị n'ụgbụgbọ willow, ogbugbo birch na-atọ ụtọ, na akwụkwọ oyi, mana a na-ejikwa ụdị sịntetik na ngwaahịa nlekọta anụ ahụ.
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