Salicylic acid Cas: 69-72-7
Nọmba katalogi | XD92029 |
Orukọ ọja | Salicylic acid |
CAS | 69-72-7 |
Molecular Formula | C7H6O3 |
Òṣuwọn Molikula | 138.12 |
Awọn alaye ipamọ | 2-8°C |
Ti irẹpọ Owo idiyele koodu | 29182100 |
Ọja Specification
Ifarahan | Funfun si pa-funfun lulú |
Asay | 99% iṣẹju |
Ojuami yo | 158-161°C(tan.) |
Oju omi farabale | 211°C(tan.) |
iwuwo | 1.44 |
oru iwuwo | 4.8 (la afẹfẹ) |
oru titẹ | 1 mm Hg (114°C) |
refractive atọka | 1.565 |
Fp | 157 °C |
solubility | ethanol: 1 M ni 20 °C, ko o, ti ko ni awọ |
pka | 2.98 (ni 25℃) |
PH | 2.4 (H2O) (ojutu ti o kun) |
Iwọn ti PH | Non0 uorescence (2.5) si buluu dudu 0 uorescence (4.0) |
Omi Solubility | 1.8 g/L (20ºC) |
o pọju | 210nm, 234nm, 303nm |
Ni imọlara | Imọlẹ Imọlẹ |
Sublimation | 70ºC |
Salicylic acid jẹ ohun elo itọju awọ ara ti FDA fọwọsi ti a lo fun itọju agbegbe ti irorẹ, ati pe o jẹ beta hydroxy acid (BHA) nikan ti a lo ninu awọn ọja itọju awọ.Pipe fun awọ ara epo, salicylic acid ni a mọ julọ fun agbara rẹ lati jinlẹ epo ti o pọ ju kuro ninu awọn pores ati dinku iṣelọpọ epo gbigbe siwaju.Nitori salicylic acid jẹ ki awọn pores di mimọ ati ṣiṣi silẹ, o ṣe idiwọ awọn ori funfun iwaju ati awọn dudu dudu lati dagbasoke.Salicylic acid tun mu awọ ara ti o ku, ati awọn ohun-ini egboogi-iredodo jẹ ki o jẹ eroja akọkọ fun awọn ti o ni psoriasis.Salicylic acid nipa ti ara nwaye ni epo igi willow, epo igi birch didùn, ati awọn ewe igba otutu, ṣugbọn awọn ẹya sintetiki tun lo ninu awọn ọja itọju awọ ara.
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