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I-Paraldehyde (CAS#123-63-7) Isithombe Esifakiwe
  • I-Paraldehyde (CAS#123-63-7) 1

I-Paraldehyde (CAS#123-63-7)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C6H12O3
I-Molar Mass 132.16
Ukuminyana 0.994 g/mL ku-20 °C (okhanyisiwe)
I-Melting Point 12 °C
I-Boling Point 65-82°C
I-Flash Point 30°F
Ukuncibilika kwamanzi 125 g/L (25 ºC)
Ukuncibilika 120g/l
I-Vapor Presure 25.89 psi ( 55 °C)
I-Vapor Density 1.52 (vs air)
Ukubukeka isisombululo
I-Gravity ethize 0.994
Umbala Uketshezi olungenambala
Iphunga ukunambitheka okungamukeleki, iphunga elimnandi
I-Merck 13,7098
I-BRN 80142
pKa 16(ku-25℃)
Isimo Sesitoreji 2-8°C
Ukuzinza Izinzile. Okuvutha umlilo. Akuhambisani nama-oxidizing agents aqinile, ama-mineral acids.
Umkhawulo Oqhumayo 1.3-17.0%(V)
I-Refractive Index n20/D 1.39
Izakhiwo Zomzimba Nezamakhemikhali Uketshezi olungenambala, olunambitheka oluyi-polymer ye-acetaldehyde enama-molecule amathathu.
iphoyinti elincibilikayo 12 .5 ℃
iphoyinti lokubilisa 128 ℃
ukuminyana okuhlobene 0.994
inkomba ye-refractive 1.405
ukuncibilika kuncibilika kancane emanzini ashisayo, kuxubene notshwala ne-ether.
Sebenzisa Embonini yezemithi, i-Organic synthesis

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi F – Iyavutha
Amakhodi Engozi I-R11 – Ivutha Kakhulu
U-R10 – Uyavutha
Incazelo Yokuphepha I-S9 – Gcina isiqukathi endaweni enomoya omuhle.
S16 – Zigcine kude nemithombo yokuthungela.
S29 – Ungathululi emiseleni.
I-S33 - Thatha izinyathelo zokuphepha ngokumelene nokukhishwa okumile.
Ama-ID e-UN UN 1993 3/PG 2
I-WGK Germany 1
I-RTECS YK0525000
Ikhodi ye-HS 29125000
I-Hazard Class 3.2
Iqembu Lokupakisha III
Ubuthi I-LD50 ngomlomo kumagundane: 1.65 g/kg (Figot)

 

Isingeniso

I-Triacetaldehyde. Okulandelayo isingeniso esifushane sobunjalo bayo, ukusetshenziswa, indlela yokukhiqiza kanye nolwazi lokuphepha.

 

Ikhwalithi:

I-Acetaldehyde iyimpushana eyikristale engenambala ukuya kophuzi ngokuphaphathekile enokunambitheka okumnandi.

Isisindo sayo samangqamuzana sicishe sibe ngu-219.27 g/mol.

Ezingeni lokushisa lasekamelweni, i-triacetaldehyde iyancibilika emanzini, i-methanol, i-ethanol nezincibilikisi ze-ether. Izobola emazingeni okushisa aphezulu.

 

Sebenzisa:

I-acetaldehyde ingasetshenziswa futhi ekulungiseni izinto ze-elekthronikhi, ama-resin modifiers, ama-fiber flame retardants nezinye izimboni.

 

Indlela:

I-Acetaldehyde ingatholwa nge-acid-catalyzed polymerization ye-acetaldehyde. Indlela ethile yokulungiselela iyinkimbinkimbi, idinga izimo ezithile zokuhlola nama-catalysts, futhi ngokuvamile idinga ukusabela ku-100-110 °C.

 

Ulwazi Lokuphepha:

I-Acetaldehyde ingaba yingozi futhi icasule umzimba womuntu endaweni ethile, futhi kufanele kuqashelwe ukugwema ukuthintana ngqo nesikhumba, amehlo kanye nendlela yokuphefumula lapho uyisebenzisa.

Lapho uhlangana nomthombo womlilo, i-polyacetaldehyde iyavutha futhi kufanele igcinwe kude namalangabi avulekile namazinga okushisa aphezulu.

Lapho usebenzisa noma ugcina i-triacetaldehyde, indawo enomoya omuhle kufanele igcinwe futhi iqhelelene nama-oxidizing agents.

Lapho uphatha i-meretaldehyde, gqoka izinto zokuzivikela ezifanele njengamagilavu, izibuko zokuzivikela, namamaski okuzivikela.

 

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