Butyraldehyde (CAS#123-72-8)

Okwu mmalite

chemical Njirimara

Mmiri mmiri na-enwu ọkụ na-enweghị agba nwere isi aldehyde asphyxiating. Na-agbaze ntakịrị na mmiri. A na-ejikọta ya na ethanol, ether, ethyl acetate, acetone, toluene, ọtụtụ ihe mgbaze organic na mmanụ ndị ọzọ.

Jiri

Eji na organic njikọ na akụrụngwa maka ime ngwa nri

Jiri

GB 2760-96 na-akọwapụta ngwa nri a na-eri nri nke ekwenyere ka ejiri ya mee ihe. A na-ejikarị akwadebe banana, caramel na ụtọ mkpụrụ osisi ndị ọzọ.

Jiri

butyraldehyde bụ ihe etiti dị mkpa. Enwere ike ịmepụta n-butanol site na hydrogenation nke n-butanal; Enwere ike ịmepụta 2-ethylhexanol site na mmiri mmiri na-ekpo ọkụ na mmiri hydrogenation, na n-butanol na 2-ethylhexanol bụ ihe ndị bụ isi nke ndị na-emepụta ihe. Enwere ike ịmepụta n-butyric acid site na oxidation nke n-butyric acid; trimethylolpropane nwere ike ịmepụta site na condensation na formaldehyde, nke bụ plasticizer maka njikọ nke alkyd resin na ihe akụrụngwa maka ikuku ihicha mmanụ; condensation na phenol na-emepụta resin mmanụ soluble; condensation na urea nwere ike ịmepụta resin na-edozi mmanya; ngwaahịa condensed na polyvinyl mmanya, butylamine, thiourea, diphenylguanidine ma ọ bụ methyl carbamate bụ akụrụngwa na, condensation na dị iche iche alcohols na-eji dị ka ihe mgbaze maka celluloid, resin, roba na ngwaahịa ọgwụ; A na-eji ụlọ ọrụ na-emepụta ọgwụ na-emepụta "Mianerton", "pyrimethamine", na amylamide.

Jiri

Rubber gluu, rọba osooso, sịntetik resin ester, nrụpụta butyric acid, wdg Ya hexane ngwọta bụ reagent maka ikpebi ozone. A na-eji ya dị ka ihe mgbaze maka lipids, a na-ejikwa ya na nkwadebe nke flavors na fragrances na dị ka ihe nchekwa.

Usoro mmepụta

ugbu a, usoro mmepụta nke butyraldehyde na-ewere usoro ndị a: 1. propylene carbonyl synthesis method propylene na synthesis gas na-emepụta mmeghachi omume carbonyl n'ihu Co ma ọ bụ Rh catalyst iji mepụta n-butyraldehyde na isobutyraldehyde. N'ihi ihe dị iche iche na-eme ka ọ dị iche iche na ọnọdụ usoro eji eme ihe, enwere ike kewaa ya na carbonyl synthesis na cobalt carbonyl dị ka ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka carbonyl synthesis na rhodium carbonyl phosphine complexes dị ka onye na-emepụta ihe. Ụzọ nrụgide dị elu nwere nrụgide mmeghachi omume dị elu na ọtụtụ ihe ndị sitere na ngwaahịa, si otú ahụ na-abawanye ọnụ ahịa mmepụta. Usoro njikọ carbonyl dị ala nwere nrụgide mmeghachi omume dị ala, nha isomer dị mma nke 8-10: 1, obere ngwaahịa, ọnụego mgbanwe dị elu, obere akụrụngwa, obere ike oriri, ngwa dị mfe, usoro dị mkpụmkpụ, na-egosi mmetụta akụ na ụba dị mma na mmepe ngwa ngwa. 2. Acetaldehyde condensation usoro. 3. Butanol oxidative dehydrogenation usoro na-eji ọlaọcha dị ka ihe na-akpali akpali, na butanol bụ oxidized site ikuku n'otu nzọụkwụ, na mgbe ahụ reactants na-condensed, kewapụrụ, na-edozi iji nweta ngwaahịa emechara.

Usoro mmepụta

A na-enweta ya site na akọrọ distillation nke calcium butyrate na calcium formate.

A na-enweta uzuoku ahụ site na mmiri mmiri nke ihe na-akpata.

udi

mmiri mmiri na-ere ọkụ

Nhazi nke nsi

Nsi

nnukwu toxicity

oke ọnụ LD50: 2490 mg / kg; Abdominal-òké LD50: 1140 mg/kg

Data mkpali

akpụkpọ-oke oke oyibo 500 mg / awa 24 siri ike; Anya-oke bekee 75 microgram siri ike

njirimara ihe egwu mgbawa

Enwere ike ịgbawa mgbe agwakọta ya na ikuku; ọ na-emeghachi omume ike site na chlorosulfonic acid, nitric acid, sulfuric acid, na fuming sulfuric acid.

njirimara ize ndụ flammability

Ọ na-ere ọkụ ma ọ bụrụ na ọkụ mepere emepe, oke okpomọkụ, na oxidants; combustion na-emepụta anwụrụ ọkụ na-akpasu iwe

njirimara nchekwa na njem

Ụlọ nkwakọba ihe na-eku ume ma kpọọ nkụ na obere okpomọkụ; echekwara iche na oxidants na acids

Ihe na-emenyụ ọkụ

Akọrọ ntụ ntụ, carbon dioxide, ụfụfụ

ụkpụrụ ọrụ

STEL 5 mg/m3