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sehlahisoa

Butyraldehyde(CAS#123-72-8)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C4H8O
'Misa oa Molar 72.11
Botenya 0.817
Melting Point -96 °C
Boling Point 75°C(lit.)
Flash point 12°F
JECFA Nomoro 86
Ho qhibiliha ha Metsi 7.1 g/100 mL (25 ºC)
Solubility metsi: qhibiliha 50g/L ho 20°C
Khatello ea Mouoane 90 mm Hg (20 °C)
Tekano ea Mouoane 2.5 (khahlanong le moea)
Ponahalo Mokelikeli
Mmala E hlakileng e se nang 'mala
Monko o monate aldehyde e matla; e hlabang le e matla.
Moedi wa ho pepeseha Ha ho na moeli o behiloeng bakeng sa n-butyraldehyde.
Merck 14,1591
BRN 506061
PH 6-7 (71g/l, H2O, 20℃)
Boemo ba polokelo 2-8°C
Botsitso E tsitsitseng. Ha e lumellane le li-oxidizing agents, metheo e matla, lisebelisoa tse fokotsang matla, li-acid tse matla. E tukang haholo.
E hloahloa Ha A na Moeeng
Qeto ea ho phatloha 1.7-11.1%(V)
Refractive Index n20/D 1.380(lit.)
Thepa ea 'Mele le ea Lik'hemik'hale Sebopeho: mokelikeli o se nang 'mala, o bonaletsang, o tukang, o nang le tatso ea aldehyde ea asphyxiating.
Sebelisa Tšebeliso e ka sehloohong; E sebelisoa e le resin, plasticizer ea polasetiki, accelerator ea vulcanization, chefo e bolaeang likokoanyana le li-intermediates tse ling, e ka sebelisoa hape ho organic synthesis, ho etsa thepa e tala ea litlolo.

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Matšoao a Kotsi F - E ka cha
Likhoutu tsa Kotsi R11 – E tuka Haholo
Tlhaloso ea Tšireletseho S9 - Boloka setshelo sebakeng se nang le moea o motle.
S29 - Se ke oa tšela ka har'a li-drain.
S33 - Nka mehato ea boits'ireletso khahlanong le ho tsoa ho sa fetoheng.
S16 - Ipoloke hole le mehloli ea mollo.
Li-ID tsa UN UN 1129 3/PG 2
WGK Jeremane 1
RTECS ES2275000
LIKHOUTU FLUKA BRAND F 13-23
TSCA Ee
Khoutu ea HS 2912 19 00
Sehlopha sa Likotsi 3
Sehlopha sa ho paka II
Chefo Tekanyo e le 'ngoe LD50 ka molomo ho likhoto: 5.89 g/kg (Smyth)

 

Selelekela

thepa ea lik'hemik'hale

 

Mokelikeli o bonaletsang o senang mmala o tukang o nang le monko oa asphyxiating aldehyde. E qhibiliha hanyane ka metsing. E kopantsoe le ethanol, ether, ethyl acetate, acetone, toluene, mefuta e fapaneng ea lihlapolli tse ling tsa tlhaho le oli.

 

Sebelisa

 

E sebelisoa ho organic synthesis le thepa e tala bakeng sa ho etsa linoko

 

Sebelisa

 

GB 2760-96 e hlakisa linoko tse jeoang tse lumelletsoeng ho sebelisoa. Haholo-holo e sebelisetsoa ho lokisa libanana, caramel le litlolo tse ling tsa litholoana.

 

Sebelisa

 

butyraldehyde ke ea bohlokoa lipakeng. n-butanol e ka hlahisoa ke hydrogenation ea n-butanal; 2-ethylhexanol e ka hlahisoa ke condensation dehydration ebe hydrogenation, 'me n-butanol le 2-ethylhexanol ke lisebelisoa tse ka sehloohong tsa li-plasticizers. n-butyric acid e ka hlahisoa ke oxidation ea n-butyric acid; trimethylolpropane e ka hlahisoa ka condensation le formaldehyde, e leng plasticizer bakeng sa motsoako oa alkyd resin le thepa e tala bakeng sa oli e omisang moea; condensation le phenol ho hlahisa resin e qhibilihang ka oli; condensation le urea e ka hlahisa resin e qhibilihang ka joala; lihlahisoa tse kopantsoeng ka joala ba polyvinyl, butylamine, thiourea, diphenylguanidine kapa methyl carbamate ke lisebelisoa tse tala 'me, condensation ka lino tse fapaneng li sebelisoa e le solvent bakeng sa celluloid, resin, rabara le lihlahisoa tsa meriana; indasteri ea meriana e sebelisetsoa ho etsa "Mianerton", "pyrimethamine", le amylamide.

 

Sebelisa

 

Rubber glue, rabara accelerator, synthetic resin ester, ho etsa butyric acid, joalo-joalo. Tharollo ea eona ea hexane ke reagent bakeng sa ho khetholla ozone. E sebelisoa e le mokelikeli bakeng sa lipids, hape e sebelisoa ho lokiseng litatso le monko o monate le ho boloka lintho.

 

Mokhoa oa tlhahiso

 

hona joale, mekhoa ea tlhahiso ea butyraldehyde e sebelisa mekhoa e latelang: 1. propylene carbonyl synthesis mokhoa oa propylene le khase ea synthesis e phethahatsa carbonyl synthesis reaction ka pel'a Co kapa Rh catalyst ho hlahisa n-butyraldehyde le isobutyraldehyde. Ka lebaka la li-catalyst tse fapaneng le maemo a ts'ebetso a sebelisitsoeng, e ka aroloa ka khatello e phahameng ea carbonyl synthesis le cobalt carbonyl e le catalyst le low-pressure carbonyl synthesis le rhodium carbonyl phosphine complex e le catalyst. Mokhoa o phahameng oa khatello o na le khatello e phahameng ea karabelo le lihlahisoa tse ngata, kahoo ho eketsa litšenyehelo tsa tlhahiso. Mokhoa o tlase oa khatello ea carbonyl o na le khatello e tlase ea karabelo, karo-karolelano e ntle ea isomer ea 8-10: 1, lihlahisoa tse fokolang, sekhahla se phahameng sa phetoho, lisebelisoa tse tlase tse tala, tšebeliso e tlase ea matla, lisebelisoa tse bonolo, ts'ebetso e khuts'oane, e bonts'a litlamorao tse ntle tsa moruo le ntshetsopele e potlakileng. 2. Acetaldehyde condensation mokhoa. 3. Butanol oxidative dehydrogenation mokhoa o sebelisa silevera e le mokelikeli, 'me butanol e oxidized ke moea ka mohato o le mong, ebe li-reactants li fokotsehile, li arohane,' me li lokisoe ho fumana sehlahisoa se felileng.

 

Mokhoa oa tlhahiso

 

E fumanoa ka distillation e omeletseng ea calcium butyrate le calcium formate.

Mouoane o fumanoa ka dehydrogenation ea catalyst.

 

sehlopha

 

maro a tukang

 

Sehlopha sa chefo

 

Chefo

 

chefo e matla

 

Oral-rat LD50: 2490 mg / kg; Mpa-toeba LD50: 1140 mg / kg

 

Lintlha tsa Stimulus

 

letlalo-mmutla 500 mg/24 lihora tse matla; Mahlo-mmutla 75 micrograms matla

 

libopeho tsa kotsi tse phatlohang

 

E ka phatloha ha e kopane le moea; e arabela ka mabifi ka chlorosulfonic acid, nitric acid, sulfuric acid, le fuming sulfuric acid.

 

litšobotsi tsa kotsi ea ho cha

 

E ka cha haeba ho na le malakabe a bulehileng, mocheso o phahameng, le li-oxidants; ho tuka ho hlahisa mosi o hlabang

 

litšobotsi tsa polokelo le lipalangoang

 

Sebaka sa polokelo se kenngoa moea 'me se omme ka mocheso o tlase; bolokoa ka thoko ho li-oxidants le acid

 

Setima-mollo

 

Phofo e omileng, carbon dioxide, foam

 

maemo a mosebetsi

 

STEL 5 mg/m3


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