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Manufacturer Kyakkyawan Farashin Triphenylmethane uku isocyanate (ethyl acetate mafita) CAS: 141-78-6 Alamar: Desmodur_RE

taƙaitaccen bayanin:

da kwayoyin fili tare da dabara CH3COOCH2CH3.Maganin Ethyl acetate ruwa mara launi yana da ƙamshi mai daɗi (mai kama da digon pear) kuma ana amfani dashi a cikin manne, masu cire ƙusa, shayi da kofi, da sigari (duba jerin abubuwan ƙari a cikin sigari).Maganin Ethyl acetate shine ester na ethanol da acetic acid; An ƙera maganin Ethyl acetate akan babban sikelin don amfani dashi azaman mai ƙarfi.Haɗin abin da aka samar na shekara-shekara a cikin 1985 na Japan, Arewacin Amurka, da Turai kusan tan 400,000 ne.A cikin 2004, an yi kiyasin tan miliyan 1.3 a duniya.

Saukewa: 141-78-6


Cikakken Bayani

Tags samfurin

Makamantu

AKOS BBS-00004223; METHYLATED RUHU, RUHU MA'ANAR RUHU; MA'adinan RUHU;

Aikace-aikace

1.Ethyl acetate ana amfani dashi azaman mai ƙarfi don varnishes, lacquers, da nitrocellulose;kamar ɗanɗanon 'ya'yan itace na wucin gadi;a cikin tsaftace kayan yadi; da kuma kera siliki da fata na wucin gadi, turare, da fina-finai da faranti (Merck 1996).Ana amfani da Ethyl Acetate gabaɗaya azaman mai ƙarfi a cikin halayen kwayoyin halitta.Gurbacewar muhalli;Gurbata abinci.

2.Ethyl acetate ana amfani da shi da farko a matsayin mai narkewa da diluent, ana fifita shi saboda ƙananan farashi, ƙananan ƙwayar cuta, da ƙanshi mai dadi.Misali, ana amfani da shi don tsaftace allunan kewayawa da kuma a cikin wasu abubuwan cire ƙusa na ƙusa (ana amfani da acetone da acetonitrile).Ana rage waken kofi da ganyen shayi da wannan kaushi. Ana kuma amfani da shi a cikin fenti azaman mai kunnawa ko hardener.A cikin turare, yana fita da sauri, yana barin ƙamshin turare a fata.
3 – 1 - Amfanin dakin gwaje-gwaje
A cikin dakin gwaje-gwaje, ana amfani da gaurayawan da ke ɗauke da ethyl acetate a cikin chromatography na shafi da kuma cirewa.Ethyl acetate yana da wuya a zaba a matsayin mai narkewa saboda yana da sauƙi ga hydrolysis da trans esterification.
3 – 2 – Faruwar giya
Ethyl acetate shine mafi yawan ester a cikin ruwan inabi, kasancewar samfurin mafi yawan kwayoyin halitta mai lalacewa - acetic acid, da kuma barasa na ethyl da aka haifar a lokacin fermentation.Ƙanshin ethyl acetate ya fi haske a cikin ƙananan giya kuma yana ba da gudummawa ga fahimtar fahimtar "'ya'yan itace" a cikin ruwan inabi.
3 – 3 – Wakilin kashe kwayoyin halitta
A fagen ilimin ilimin halitta, ethyl acetate yana da tasirin asphyxiant don amfani da shi wajen tattara kwari da nazari.A cikin kwalbar kisa da aka caje da ethyl acetate, tururi zai kashe kwari da aka tattara (yawanci manya) da sauri ba tare da lalata shi ba.Saboda ba hygroscopic ba ne, ethyl acetate kuma yana kiyaye kwari da taushi sosai don ba da izinin hawan da ya dace da tarin.

3.Pharmaceutic taimakon (dandano);jigon 'ya'yan itace na wucin gadi;sauran ƙarfi don nitrocellulose, varnishes, lacquers, da dopes na jirgin sama;kera foda mara hayaki, fata na wucin gadi, fina-finai na hoto da faranti, siliki na wucin gadi, turare;tsaftace tufafi, da dai sauransu.

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Ƙayyadaddun bayanai

Haɗin gwiwa

Ƙayyadaddun bayanai

Bayyanar

Ruwa mai ruwan shuɗi ko ja ja

Yawan zafi a 20 ° C

Kimanin 1.0 g/cm³

Danko a 20 ° C

Kimanin 3mPa.s

Binciken NCO%

7.1 ± 0.2%

Binciken triphenylmethane -4,4',4''-triisocyanate%

27± 1%

Chlorobenzene ragowar

≤0.5

Shiryawa

Harkokin sufurin kaya1
Harkokin sufuri2

50kg/bag

Ma'aji ya kamata ya kasance a sanyi, bushe da iska.

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