Salicylic acid Cas: 69-72-7
Numera Fa'amaumauga | XD92029 |
Igoa Oloa | Salicylic acid |
CAS | 69-72-7 |
Fua molela | C7H6O3 |
Molecular Weight | 138.12 |
Fa'amatalaga Teuina | 2-8°C |
Fa'atonu Fa'asologa o Fa'asologa | 29182100 |
Fa'amatalaga o oloa
Fa'aaliga | Pa'epa'e i le pa'epa'e pa'epa'e |
Asay | 99% min |
Liu liusuavai | 158-161 °C(malamalama) |
Fa'apuna | 211 °C(malamalama) |
mafiafia | 1.44 |
ausa mafiafia | 4.8 (vs ea) |
mamafa ausa | 1 mm Hg (114 °C) |
fa'asino fa'asino | 1,565 |
Fp | 157 °C |
solubility | ethanol: 1 M ile 20 °C, manino, leai se lanu |
pka | 2.98(i le 25℃) |
PH | 2.4 (H2O)(fofo tumu) |
PH Va'aiga | Non0 uorescence (2.5) i le lanumoana uliuli 0 uorescence (4.0) |
Suavai Solubility | 1.8 g/L (20 ºC) |
λmax | 210nm, 234nm, 303nm |
Ma'ale'ale | Ma'ale'ale |
Sublimation | 70ºC |
O le salicylic acid ose vaila'au fa'amaonia mo le tausiga o le pa'u ua fa'atagaina e le FDA e fa'aaogaina mo le togafitia o le pa'u, ma e na'o le pau lea o le beta hydroxy acid (BHA) o lo'o fa'aaogaina i oloa tau pa'u.Atoatoa mo le ga'o pa'u, salicylic acid e sili ona lauiloa mo lona mafaia ona fa'amama loloto le tele o le suau'u mai pores ma fa'aitiitia le gaosiga o le suau'u agai i luma.Ona o le salicylic acid e fa'amama ai pores ma le pupuni, e taofia ai ulu pa'epa'e ma uluuliuli i le lumana'i mai le atina'eina.O le salicylic acid e fa'amama ai fo'i le pa'u mate, ma o ona mea e fa'ama'i fa'ama'i ua avea ai ma mea fa'apitoa mo i latou e maua i le psoriasis.O le salicylic acid e masani lava ona tupu i le paʻu o le willow, paʻu birch suamalie, ma laulaau wintergreen, ae o loʻo faʻaogaina foʻi mea faʻapipiʻi i mea tau paʻu.