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samfur

4-Methylumbelliferone (CAS# 90-33-5)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C10H8O3
Molar Mass 176.17
Yawan yawa 1.1958
Matsayin narkewa 188.5-190°C (lit.)
Matsayin Boling 267.77°C (m kiyasin)
Ruwan Solubility dan kadan mai narkewa
Solubility Mai narkewa a cikin ethanol, acetic acid, alkali bayani da ammonia, dan kadan mai narkewa a cikin ruwan zafi, ether da chloroform.
Bayyanar Allura crystallization
Launi kashe-fari zuwa rawaya
Matsakaicin zango (λmax) ['221nm, 251nm, 322nm']
Merck 14,4854
BRN 142217
pKa 7.79 (a 25 ℃)
Yanayin Ajiya 2-8 ° C
Kwanciyar hankali Barga. Mai ƙonewa. Wanda bai dace ba tare da magunguna masu ƙarfi masu ƙarfi.
Fihirisar Refractive 1.5036 (kimanta)
MDL Saukewa: MFCD00006866
Abubuwan Jiki da Sinadarai Lu'ulu'u masu kama da allura. Matsayin narkewa 185-186 °c (194-195 °c) mai narkewa a cikin ethanol, acetic acid, maganin alkali da ammonia, mai narkewa a cikin ruwan zafi, ether da chloroform. Kuma mai da hankali sulfuric acid a cikin rawar shuɗi mai haske.
Amfani Wannan samfurin choleretic ne, kuma matsakaici ne na maganin rashin lafiyar cromolyn sodium.

Cikakken Bayani

Tags samfurin

Lambobin haɗari R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata.
R20/21/22 - Cutarwa ta hanyar shakarwa, a cikin hulɗa da fata kuma idan an haɗiye shi.
Bayanin Tsaro S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S37/39 - Sanya safofin hannu masu dacewa da kariya / ido
S36 - Sanya tufafin kariya masu dacewa.
WGK Jamus 2
RTECS Farashin GN700000
Farashin TSCA Ee
HS Code 29329990
Bayanin Hazard Haushi
Guba LD50 na baka a cikin bera: 3850mg/kg

 

Gabatarwa

Oxymethocoumarin, kuma aka sani da vanillon, wani fili ne na kwayoyin halitta.

 

inganci:

Bayyanar: Oxymethaumarin fari ne ko rawaya crystalline mai kauri mai ƙamshi na musamman, kama da vanilla.

Solubility: Oxymethocoumarin yana narkar da dan kadan a cikin ruwan zafi, amma yana kusan rashin narkewa a cikin ruwan sanyi. Yana narkewa a cikin kaushi na halitta kamar ethanol, ether da chloroform.

Kayayyakin sinadarai: Oxymethacoumarin yana da ɗan kwanciyar hankali a cikin maganin acidic, amma yana da sauƙin bazuwa cikin maganin alkaline mai ƙarfi ko zafin jiki mai ƙarfi.

 

Amfani:

 

Hanya:

Ana iya fitar da Oxymethaumarin daga vanilla na halitta kuma an samo shi ne daga tsire-tsire masu tsire-tsire na vanilla kamar vanilla wake ko ciyawa na vanilla. Bugu da kari, ana iya shirya ta ta hanyoyin roba, yawanci ana amfani da coumarin na halitta a matsayin danyen abu, kuma ana canza ta ta hanyar sinadarai iri-iri.

 

Bayanin Tsaro:

Oxymethocoumarin gabaɗaya ana ɗaukar lafiya, amma rashin lafiyar na iya faruwa a wasu mutane. Lokacin da aka samar da kuma amfani da shi a masana'antu, ya kamata a dauki matakan tsaro masu dacewa, kamar saka safar hannu na kariya da gilashin kariya. Ya kamata a guji tuntuɓar abubuwa kamar acid mai ƙarfi, alkalis mai ƙarfi, da oxidants don guje wa haɗari.


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