ʻO ka Retinol āpau-trans CAS 68-26-8

CAS:68-26-8

Formula Molekala:C20H30O

Kaumaha Molekala:286.45

Nā EINECS:200-683-7

Nā huaʻōlelo like:WIKAMINA A USP (KŪLANA CRM); WIKAMINA A (RETINOL) (KŪLANA ʻELUA); WIKAMINA ʻona; Hoʻā ʻia ʻana o ka WIKAMINA A; ALL-TRANS-RETINOL (WIKAMINA A ʻONA); RETINOL (WIKAMINA A); ALL TRANS-RETINOL (WIKAMINA A); hoʻonā retinol; WIKAMINA (MEAʻAI); WIKAMINA A (RETINOL) (SH)

Waiho i kāu leka

Nā kikoʻī huahana

Hoʻoiho

Nā Lepili Huahana

He aha ka all-trans-Retinol CAS 68-26-8?

ʻO ka Retinol trans āpau he kristal ʻōpala mae kala me kahi kiko heheʻe o 62-64 ℃ a me kahi kiko paila o 120-125 ℃ (0.667Pa). Maʻalahi e hoʻoheheʻe ʻia i loko o ka aila a i ʻole nā mea hoʻoheheʻe organik, ʻaʻole hiki ke hoʻoheheʻe ʻia i ka wai. Paʻa maikaʻi ka wela, paʻa ma lalo o nā kūlana alkaline, paʻa ʻole ma lalo o nā kūlana acidic. Ke hālāwai me ka antimony trichloride, hōʻike ia i kahi hopena polū ʻano a maʻalahi hoʻi e hōʻino ʻia e ka radiation ultraviolet a me ka oxygen i ka lewa. Hiki ke pale ʻia i ka wā e noho pū ai me ka huaora C.

Nā kikoʻī

Mea	Nā kikoʻī
Kiko heheʻe	61-63 °C (mālamalama ʻia)
Maʻemaʻe	99%
ka hiki ke hoʻoheheʻe ʻia	Hoʻoheheʻe ʻia i loko o ka chloroform (liʻiliʻi ka nui)
helu kuhikuhi refractive	1.641
Nā kūlana mālama	-20°C
pKa	14.09±0.10(Wānana ʻia)

Noi

ʻO ka huaora A trans Retinol āpau he ʻāpana ia o nā mea photosensitive i loko o nā cell ʻike maka, hiki ke hōʻoia i ka pono a me ke olakino o ke ʻano o ka ʻiʻo epithelial a paipai i ka ulu ʻana a me ka ulu ʻana o ke kino. Ke nele, hiki iā ia ke pale i ka ulu ʻana a me ka ulu ʻana, hoʻemi i ka hana hānau, a alakaʻi maʻalahi i ka "makapō pō". Hoʻohana ʻia nā trans Retinol āpau i nā papa lāʻau lapaʻau a me nā capsules ma ke ʻano he mea hoʻohui hānai i hoʻokumu ʻia i ka huaora i ka ʻoihana hānai.