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Paraldehyde (CAS#123-63-7) Umfanekiso ofakiweyo
  • Paraldehyde (CAS#123-63-7) 1

Paraldehyde (CAS#123-63-7)

Ipropati yeMichiza:

Ifomula yeemolekyuli C6H12O3
IMisa yeMolar 132.16
Ukuxinana 0.994 g/mL ku-20 °C (lit.)
Indawo yokunyibilika 12 °C
Indawo yeBoling 65-82°C
Indawo yokuflasha 30°F
Ukunyibilika kwamanzi 125 g/L (25 ºC)
Ukunyibilika 120g/l
Uxinzelelo loMphunga 25.89 psi ( 55 °C)
Ukuxinana komphunga 1.52 (vs umoya)
Imbonakalo isisombululo
Ubunzima obuthile 0.994
Umbala Ulwelo olungenambala
Ivumba incasa engavumelekanga, ivumba elimnandi
Merck 13,7098
I-BRN 80142
pKa 16(nge25℃)
Imeko yoGcino 2-8°C
Uzinzo Izinzile. Ukutsha. Ayihambelani ne-oxidizing agents enamandla, i-mineral acids.
Umda wokuqhushumba 1.3-17.0%(V)
Refractive Index n20/D 1.39
IiPropati zoMzimba kunye nezeMichiza Ulwelo olungenambala, olunencasa oluyipolima ye-acetaldehyde ene-molecule ezintathu.
indawo yokunyibilika 12 .5 ℃
indawo yokubilisa 128 ℃
ukuxinana kobudlelwane 0.994
refractive index 1.405
Unyibiliko lunyibilika kancinane emanzini ashushu, luxubene notywala kunye ne-ether.
Sebenzisa Kwishishini lamayeza, i-Organic synthesis

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iimpawu ezinobungozi F – Inokutsha
Iikhowudi zoMngcipheko I-R11 – Iyatsha kakhulu
I-R10-Inokutsha
Inkcazelo yoKhuseleko S9 – Gcina isikhongozeli kwindawo engenamoya.
S16 – Gcina kude kwimithombo yomlilo.
S29 – Musa ukuthulula kwimisele yamanzi.
S33 -Thatha amanyathelo okhuseleko ngokuchasene nokukhutshwa okungatshintshiyo.
Izazisi ze-UN UN 1993 3/PG 2
WGK eJamani 1
RTECS YK0525000
Ikhowudi ye-HS 29125000
IKlasi yeeNgozi 3.2
Iqela lokuPakisha III
Ubutyhefu I-LD50 ngomlomo kwiimpuku: 1.65 g/kg (Figot)

 

Intshayelelo

I-Triacetaldehyde. Oku kulandelayo sisingeniso esifutshane ngobume bayo, ukusetyenziswa, indlela yokuvelisa kunye nolwazi lokhuseleko.

 

Umgangatho:

I-Acetaldehyde ngumgubo wekristale ongenambala ukuya kumthubi onencasa eswiti.

Ubunzima bayo be-molecular malunga ne-219.27 g / mol.

Kwiqondo lobushushu begumbi, i-triacetaldehyde inyibilika emanzini, i-methanol, i-ethanol kunye ne-ether solvents. Iya kubola kumaqondo obushushu aphezulu.

 

Sebenzisa:

I-acetaldehyde ingasetyenziselwa ukulungiswa kwezinto zombane, izilungisi ze-resin, iiretardants zefiber flame kunye namanye amashishini.

 

Indlela:

I-Acetaldehyde inokufumaneka nge-acid-catalyzed polymerization ye-acetaldehyde. Indlela ethile yokulungiselela iyinkimbinkimbi, ifuna iimeko ezithile zovavanyo kunye ne-catalysts, kwaye ngokubanzi ifuna ukusabela kwi-100-110 °C.

 

Ulwazi ngoKhuseleko:

I-Acetaldehyde inokuba yingozi kwaye icaphukise umzimba womntu kwindawo ethile yoxinaniso, kwaye kufuneka kuthathelwe ingqalelo ukuphepha ukunxibelelana ngokuthe ngqo nolusu, amehlo kunye nomgudu wokuphefumula xa uyisebenzisa.

Xa udibana nomthombo womlilo, i-polyacetaldehyde inokutsha kwaye kufuneka igcinwe kude namadangatye avulekileyo kunye namaqondo okushisa aphezulu.

Xa usebenzisa okanye ugcina i-triacetaldehyde, indawo enomoya ococekileyo kufuneka igcinwe kwaye ingabikho kwi-oxidizing agents.

Xa uphethe i-meretaldehyde, nxiba izixhobo ezifanelekileyo zokuzikhusela ezinjengeeglavu, iindondo zokuzikhusela, kunye nezixhobo zokuzikhusela.

 

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