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Salicylic acid Cas: 69-72-7

ʻO ka wehewehe pōkole:

Ka helu helu: XD92029
Cas: 69-72-7
ʻAno Molekala: C7H6O3
Kaumaha Molekala: 138.12
Loaʻa: Loaʻa
Kumukuai:  
Hoʻopili mua:  
Pūʻulu Nui: Noi Manao

 


Huahana Huahana

Huahana Huahana

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.


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    Salicylic acid Cas: 69-72-7