Butyraldehyde (CAS#123-72-8)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta	C4H8O
Molar Mass	72.11
Yawan yawa	0.817
Matsayin narkewa	-96 °C
Matsayin Boling	75°C (lit.)
Wurin Flash	12°F
Lambar JECFA	86
Ruwan Solubility	7.1 g/100 ml (25ºC)
Solubility	ruwa: mai narkewa50g/L a 20°C
Tashin Turi	90 mm Hg (20 ° C)
Yawan Turi	2.5 (Vs iska)
Bayyanar	Ruwa
Launi	Share mara launi
wari	Aldehyde mai laushi; m da tsanani.
Iyakar Bayyanawa	Babu iyaka da aka saita don n-butyraldehyde.
Merck	14,1591
BRN	506061
PH	6-7 (71g/l, H2O, 20℃)
Yanayin Ajiya	2-8 ° C
Kwanciyar hankali	Barga. Ba daidai ba tare da ma'aikatan oxidizing, tushe mai ƙarfi, masu rage ƙarfi mai ƙarfi, acid mai ƙarfi. Mai ƙonewa sosai.
M	Hankalin iska
Iyakar fashewa	1.7-11.1% (V)
Fihirisar Refractive	n20/D 1.380 (lit.)
Abubuwan Jiki da Sinadarai	Hali: mara launi, m, ruwa mai ƙonewa, tare da ɗanɗanon aldehyde mai asphyxiating.
Amfani	Babban amfani; An yi amfani da shi azaman guduro, filastik filastik, vulcanization totur, kwari da sauran tsaka-tsaki, Hakanan za'a iya amfani dashi a cikin haɗin gwiwar kwayoyin halitta, masana'antar kayan turare.

Aika mana imel

Cikakken Bayani

Tags samfurin

Alamomin haɗari	F - Mai ƙonewa
Lambobin haɗari	R11 - Mai ƙonewa sosai
Bayanin Tsaro	S9 - Ajiye akwati a wuri mai kyau. S29 - Kada ku komai a cikin magudanar ruwa. S33 - Ɗauki matakan kariya game da fitar da a tsaye. S16 - Ka nisantar da tushen wuta.
ID na UN	UN 1129 3/PG 2
WGK Jamus	1
RTECS	Saukewa: ES2275000
FLUKA BRAND F CODES	13-23
Farashin TSCA	Ee
HS Code	2912 19 00
Matsayin Hazard	3
Rukunin tattarawa	II
Guba	LD50 guda ɗaya na baka a cikin beraye: 5.89 g/kg (Smyth)

Gabatarwa

sinadaran Properties

Ruwa mai walƙiya mara launi mara launi tare da warin aldehyde mai asphyxiating. Dan kadan mai narkewa cikin ruwa. Miscible tare da ethanol, ether, ethyl acetate, acetone, toluene, da dama sauran kwayoyin kaushi da mai.

Amfani

An yi amfani da shi a cikin ƙwayoyin halitta da kuma ɗanyen abu don yin kayan yaji

Amfani

GB 2760-96 yana ƙayyadaddun kayan kamshin abinci waɗanda aka yarda a yi amfani da su. An fi amfani da shi don shirya ayaba, caramel da sauran abubuwan dandano na 'ya'yan itace.

Amfani

butyraldehyde wani muhimmin matsakaici ne. n-butanol za a iya samar da hydrogenation na n-butanal; Ana iya samar da 2-ethylhexanol ta hanyar bushewar bushewa sannan kuma hydrogenation, kuma n-butanol da 2-ethylhexanol sune manyan kayan da ake amfani da su na filastik. n-butyric acid za a iya samar da iskar shaka na n-butyric acid; trimethylolpropane za a iya samar ta hanyar condensation tare da formaldehyde, wanda shine plasticizer don kira na alkyd resin da danyen abu don bushewar mai; condensation tare da phenol don samar da resin mai mai narkewa; condensation tare da urea na iya haifar da guduro mai narkewa mai barasa; samfuran da aka haɗa tare da barasa na polyvinyl, butylamine, thiourea, diphenylguanidine ko methyl carbamate sune albarkatun ƙasa kuma, daɗaɗɗen giya tare da nau'ikan alcohols ana amfani da su azaman sauran ƙarfi don celluloid, resin, roba da samfuran magunguna; ana amfani da masana'antar harhada magunguna don yin "Mianerton", "pyrimethamine", da amylamide.

Amfani

Rubber manne, roba totur, roba guduro ester, masana'anta butyric acid, da dai sauransu. Its hexane bayani ne reagent domin kayyade ozone. Ana amfani da shi azaman mai narkewa don lipids, kuma ana amfani dashi a cikin shirye-shiryen abubuwan dandano da ƙamshi kuma azaman mai kiyayewa.

Hanyar samarwa

a halin yanzu, hanyoyin samar da butyraldehyde suna amfani da hanyoyi masu zuwa: 1. propylene carbonyl synthesis method propylene da iskar gas suna aiwatar da halayen carbonyl kira a gaban Co ko Rh mai kara kuzari don samar da n-butyraldehyde da isobutyraldehyde. Saboda daban-daban masu haɓakawa da yanayin tsari da aka yi amfani da su, ana iya raba shi zuwa babban matsi na carbonyl kira tare da cobalt carbonyl a matsayin mai kara kuzari da ƙananan ƙwayar carbonyl kira tare da rhodium carbonyl phosphine hadaddun a matsayin mai kara kuzari. Hanyar matsa lamba yana da matsananciyar amsawa da yawancin samfurori, don haka ƙara yawan farashin samarwa. Hanyar haɗakarwar carbonyl mai ƙarancin ƙarfi tana da ƙarancin amsawa, ƙimar isomer mai kyau na 8-10: 1, ƙarancin samfuran samfuran, babban juzu'i, ƙarancin albarkatun ƙasa, ƙarancin wutar lantarki, kayan aiki mai sauƙi, gajeriyar tsari, yana nuna kyakkyawan tasirin tattalin arziki da saurin ci gaba. 2. Acetaldehyde condensation Hanyar. 3. Butanol oxidative dehydrogenation Hanyar amfani da azurfa a matsayin mai kara kuzari, kuma butanol yana da iskar da iska a mataki daya, sa'an nan kuma reactants da ake condensed, rabu, da gyara don samun gama samfurin.

Hanyar samarwa

Ana samun shi ta hanyar bushe bushewar ƙwayoyin butyrate da calcium formate.

Ana samun tururi ta hanyar dehydrogenation na mai kara kuzari.