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Butyl isobutyrate (CAS#97-87-0)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C8H16O2
Molar Mass 144.21
Yawan yawa 0.862g/mLat 25°C(lit.)
Matsayin narkewa -88.07°C (kimanta)
Matsayin Boling 155-156°C (lit.)
Wurin Flash 110°F
Lambar JECFA 188
Tashin Turi 0.0275mmHg a 25°C
Fihirisar Refractive n20/D 1.401 (lit.)
Abubuwan Jiki da Sinadarai Ruwa mara launi tare da ƙaƙƙarfan 'ya'yan itace-kamar ƙamshi na sabbin apples and abarba. Tushen tafasa 166 ℃. Filashi 45 ℃. Miscible a cikin ethanol, ether da mafi yawan mai marasa ƙarfi, wanda ba a iya narkewa a cikin propylene glycol, glycerin da ruwa. Ana samun samfuran halitta a cikin mahimmin mai na Roman chrysanthemum.

Cikakken Bayani

Tags samfurin

Alamomin haɗari Xi - Haushi
Lambobin haɗari R10 - Flammable
R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata.
Bayanin Tsaro 26 – Idan mutum ya hadu da idanu, sai a wanke da ruwa mai yawa sannan a nemi shawarar likita.
ID na UN UN 3272 3/PG 3
WGK Jamus 2
RTECS Saukewa: UA2466945
HS Code Farashin 29156000
Matsayin Hazard 3
Rukunin tattarawa III
Guba GRAS (FEMA).

 

Gabatarwa

Butyl isobutyrate. Kaddarorinsa sune kamar haka:

 

Kaddarorin jiki: Butyl isobutyrate ruwa ne marar launi tare da ɗanɗanon 'ya'yan itace a zafin jiki.

 

Abubuwan sinadarai: butyl isobutyrate yana da kyawawa mai kyau kuma mai kyau mai narkewa a cikin kaushi. Yana da reactivity na esters kuma ana iya sanya shi cikin hydrolyzed cikin isobutyric acid da butanol.

 

Amfani: Butyl isobutyrate ana amfani dashi sosai a dakunan gwaje-gwajen masana'antu da sinadarai. Ana iya amfani da shi azaman wakili mai canzawa a cikin kaushi, sutura da tawada, kuma azaman filastik don robobi da resins.

 

Hanyar shiri: Gabaɗaya, butyl isobutyrate an shirya shi ta hanyar esterification amsawar isobutanol da butyric acid a ƙarƙashin yanayin acid-catalyzed. Matsakaicin zafin jiki gabaɗaya shine 120-140 ° C, kuma lokacin amsawa kusan awanni 3-4 ne.

Yana iya zama mai haushi ga idanu da fata kuma ya kamata a wanke shi da ruwa mai yawa nan da nan bayan haɗuwa. Yayin aiki, ya kamata a tabbatar da yanayin samun iska mai kyau. Yakamata a kiyaye shi daga yara da kayan konawa kuma a adana shi da kyau a cikin akwati marar iska. Lokacin sarrafawa da zubar da shi, yakamata a sarrafa shi daidai da buƙatun ƙa'ida na gida.


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