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mankhwala

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

Chemical Property:

Molecular Formula C9H8O2
Misa ya Molar 148.16
Kuchulukana 1.248
Melting Point 133 °C (kuyatsa)
Boling Point 300°C (lat.)
Pophulikira >230°F
Kusungunuka kwamadzi 0.4 g/L (20 ºC)
Kusungunuka Amasungunuka mu ethanol, methanol, petroleum ether, chloroform, amasungunuka mosavuta mu benzene, ether, acetone, glacial acetic acid, carbon disulfide ndi mafuta, amasungunuka pang'ono m'madzi.
Kuthamanga kwa Vapor 1.3 hPa (128 °C)
Maonekedwe White ufa
Specific Gravity 0.91
Mtundu Zoyera mpaka pafupifupi zoyera
Kununkhira Kukomoka fungo
Maximum wavelength(λmax) ['273nm(MeOH)(lit.)']
Merck 14,2299
Mtengo wa BRN 1905952
pKa 4.44 (pa 25 ℃)
PH 3-4 (0.4g/l, H2O, 20℃)
Mkhalidwe Wosungira 2-8 ° C
Zomverera Mosavuta kuyamwa chinyezi
Refractive Index 1.5049 (chiyerekezo)
MDL Mtengo wa MFCD00004369
Zakuthupi ndi Zamankhwala Khalidwe: white monoclinic prism. Pali kafungo ka sinamoni kakang'ono.
osalimba 1.248
malo osungunuka 135 ~ 136 ℃
otentha kutentha 300 ℃
kachulukidwe wachibale 1.2475
sungunuka mu ethanol, methanol, petroleum ether, chloroform, sungunuka mu benzene, ether, acetone, acetic acid, carbon disulfide ndi mafuta, osasungunuka m'madzi.
Gwiritsani ntchito Ndi yokonza esters, zonunkhira, mankhwala zipangizo

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xi - Zosangalatsa
Zizindikiro Zowopsa 36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S36 - Valani zovala zoyenera zodzitetezera.
S37/39 - Valani magolovesi oyenera komanso chitetezo chamaso / kumaso
WGK Germany 1
Mtengo wa RTECS GD7850000
TSCA Inde
HS kodi 29163900
Poizoni LD50 pakamwa pa Kalulu: 2500 mg/kg LD50 dermal Kalulu> 5000 mg/kg

 

Mawu Oyamba

Trans-cinnamic acid ndi organic pawiri. Imakhalapo mu mawonekedwe a makhiristo oyera kapena ufa wa crystalline.

 

Trans-cinnamic acid ndi yolimba kutentha kwa chipinda ndipo imatha kusungunuka mu mowa, ethers ndi zosungunulira za asidi, ndi kusungunuka pang'ono m'madzi. Ili ndi fungo lonunkhira lapadera.

 

Trans-cinnamic acid imakhala ndi ntchito zosiyanasiyana.

 

Njira yokonzekera ya trans-cinnamic acid imatha kupezeka ndi zomwe benzaldehyde ndi acrylic acid. Njira zomwe zimagwiritsidwa ntchito pokonzekera zimaphatikizapo makutidwe ndi okosijeni, acid-catalyzed reaction ndi alkaline catalytic reaction.

Mwachitsanzo, pewani kukhudzana mwachindunji ndi khungu ndi maso kuti mupewe kupsa mtima ndi kutupa. Pogwira ntchito, zipangizo zodzitetezera zoyenera ziyenera kugwiritsidwa ntchito, monga magolovesi a mu labotale, magalasi oteteza, ndi zina zotero. Trans-cinnamic acid iyenera kusungidwa bwino kuti isakhudzidwe ndi zoyatsira ndi ma okosijeni kuti apewe ngozi zamoto ndi kuphulika. Mukamagwiritsa ntchito, gwirani ntchito motsatira ndondomeko yoyenera komanso ndondomeko yoyendetsera ntchito kuti muteteze chitetezo.


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