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trans-Cinnamic acid(CAS#140-10-3) Hoton da aka Fito
  • trans-cinnamic acid (CAS#140-10-3) 1

trans-cinnamic acid (CAS#140-10-3)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C9H8O2
Molar Mass 148.16
Yawan yawa 1.248
Matsayin narkewa 133 ° C (launi)
Matsayin Boling 300°C (lit.)
Wurin Flash >230°F
Ruwan Solubility 0.4 g/L (20ºC)
Solubility Mai narkewa a cikin ethanol, methanol, ether petroleum, chloroform, mai sauƙin narkewa a cikin benzene, ether, acetone, glacial acetic acid, carbon disulfide da mai, ɗan narkewa cikin ruwa.
Tashin Turi 1.3 hPa (128 ° C)
Bayyanar Farin foda
Takamaiman Nauyi 0.91
Launi Fari zuwa kusan fari
wari Qamshin wari
Matsakaicin zango (λmax) ['273nm(MeOH)(lit.)']
Merck 14,2299
BRN 1905952
pKa 4.44 (a 25 ℃)
PH 3-4 (0.4g/l, H2O, 20℃)
Yanayin Ajiya 2-8 ° C
M Sauƙaƙe ɗaukar danshi
Fihirisar Refractive 1.5049 (ƙididdiga)
MDL Saukewa: MFCD00004369
Abubuwan Jiki da Sinadarai Hali: farin monoclinic prism. Akwai kamshin kirfa micro.
yawa 1.248
Matsayin narkewa 135 ~ 136 ℃
tafasar batu 300 ℃
girman dangi 1.2475
mai narkewa a cikin ethanol, methanol, ether petroleum, chloroform, mai narkewa a cikin benzene, ether, acetone, acetic acid, carbon disulfide da mai, maras narkewa cikin ruwa.
Amfani Shin shirye-shiryen esters, kayan yaji, kayan albarkatun magani

Cikakken Bayani

Tags samfurin

Alamomin haɗari Xi - Haushi
Lambobin haɗari 36/37/38 - Hannun idanu, tsarin numfashi da fata.
Bayanin Tsaro S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S36 - Sanya tufafin kariya masu dacewa.
S37/39 - Sanya safofin hannu masu dacewa da kariya / ido
WGK Jamus 1
RTECS Farashin 7850000
Farashin TSCA Ee
HS Code 29163900
Guba LD50 na baki a cikin zomo: 2500 mg/kg LD50 dermal Rabbit> 5000 mg/kg

 

Gabatarwa

Trans-cinnamic acid wani abu ne na kwayoyin halitta. Ya wanzu a cikin nau'i na farin lu'ulu'u ko lu'ulu'u na lu'ulu'u.

 

Trans-cinnamic acid yana da ƙarfi a cikin ɗaki kuma ana iya narkar da shi a cikin alcohols, ethers da sauran kaushi acid, da ɗan narkewa cikin ruwa. Yana da ƙamshi na musamman.

 

Trans-cinnamic acid yana da amfani iri-iri.

 

Hanyar shiri na trans-cinnamic acid za a iya samu ta hanyar amsawar benzaldehyde da acrylic acid. Hanyoyin shirye-shiryen da aka fi amfani da su sun haɗa da amsawar iskar shaka, halayen acid-catalyzed da halayen alkaline catalytic.

Misali, guje wa tuntuɓar fata da idanu kai tsaye don guje wa fushi da kumburi. Lokacin aiki, ya kamata a yi amfani da kayan kariya masu dacewa, kamar safar hannu na dakin gwaje-gwaje, gilashin kariya, da sauransu. Ya kamata a adana trans-cinnamic acid yadda ya kamata don guje wa haɗuwa da tushen ƙonewa da oxidants don hana haɗarin wuta da fashewa. Lokacin amfani, yi aiki daidai da daidaitaccen tsari da ƙayyadaddun aiki don tabbatar da aminci.

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