Salicylic acid Cas: 69-72-7
Helu Helu | XD92029 |
inoa mea kūʻai | Salicylic acid |
CAS | 69-72-7 |
ʻAno Molekalala | C7H6O3 |
Kaumaha Molecular | 138.12 |
Nā kikoʻī mālama | 2-8°C |
Kānāwai Kūʻai Kūlike | 29182100 |
Huahana Huahana
Ka nana aku | ʻO ka pauka keʻokeʻo keʻokeʻo |
ʻO Assay | 99% min |
Lae hehee | 158-161 °C(māmā) |
Lae paila | 211 °C(māmā) |
mānoanoa | 1.44 |
māhu mahu | 4.8 (vs ea) |
kaomi mahu | 1 mm Hg (114 °C) |
hōʻike hoʻopaʻapaʻa | 1,565 |
Fp | 157 °C |
hikiwawe | ethanol: 1 M ma 20 °C, akaka, kala ole |
pka | 2.98(ma 25 ℃) |
PH | 2.4 (H2O)(mea hoʻoheheʻe ʻia) |
PH Lahi | Non0 uorescence (2.5) i ka uliuli uliuli 0 uorescence (4.0) |
Hiki i ka wai | 1.8 g/L (20 ºC) |
λmax | 210nm, 234nm, 303nm |
Pilikino | Māmā Māmā |
Sublimation | 70 ºC |
ʻO ka waikona salicylic kahi mea mālama ʻili i ʻāpono ʻia e FDA i hoʻohana ʻia no ka mālama ʻana i ka ʻeke, a ʻo ia wale nō ka beta hydroxy acid (BHA) i hoʻohana ʻia i nā huahana mālama ʻili.He kūpono no ka ʻili ʻaila, ʻike ʻia ka salicylic acid no kona hiki ke hoʻomaʻemaʻe hohonu i ka aila mai loko mai o nā pores a hoʻemi i ka hana ʻaila e neʻe nei i mua.Ma muli o ka mālama ʻana o ka salicylic acid i nā pores maʻemaʻe a ʻaʻole i hoʻopaʻa ʻia, pale ia i ka ulu ʻana o nā poʻo keʻokeʻo a me nā ʻeleʻele e hiki mai ana.Hoʻopau ka waika salicylic i ka ʻili make, a ʻo kāna mau mea anti-inflammatory e lilo ia i mea waiwai nui no ka poʻe me psoriasis.Loaʻa maoli ka salicylic acid i ka ʻili willow, ka ʻili birch momona, a me nā lau wintergreen, akā hoʻohana ʻia nā ʻano synthetic i nā huahana mālama ʻili.