iphepha_ibhena

imveliso

I-butyl acetate(CAS#123-86-4)

Ipropati yeMichiza:

Ifomula yeemolekyuli C6H12O2
IMisa yeMolar 116.16
Ukuxinana 0.88 g/mL ku-25 °C (lit.)
Indawo yokunyibilika -78 °C (izibane.)
Indawo yeBoling 124-126 °C (lit.)
Indawo yokuflasha 74°F
Inombolo yeJECFA 127
Ukunyibilika kwamanzi 0.7 g/100 mL (20 ºC)
Ukunyibilika 5.3g/l
Uxinzelelo loMphunga 15 mm Hg ( 25 °C)
Ukuxinana komphunga 4 (vs umoya)
Imbonakalo Ulwelo
Ubunzima obuthile 0.883 (20/20℃)
Umbala ≤10(APHA)
Ivumba Uphawu; iziqhamo ezithandekayo (kwizinga eliphantsi); hayi intsalela.
Umda wokuvezwa TLV-TWA 150 ppm (~710 mg/m3) (ACGIH,MSHA, kunye ne-OSHA); TLV-STEL 200 ppm(~950 mg/m3); IDLH 10,000 ppm (NIOSH).
Obona bude bubuninzi (λmax) ['λ: 254 nm Amax: 1.0',
, 'λ: 260 nm Amax: 0.20′,
, 'λ: 275 nm Amax: 0.04′,
, 'λ: 300
Merck 14,1535
I-BRN 1741921
PH 6.2 (5.3g/l, H2O, 20℃)(I-MSDS yangaphandle)
Imeko yoGcino Gcina ku +5°C ukuya +30°C.
Uzinzo Izinzile. Ukutsha. Ayihambelani ne-oxidizing agents ezinamandla, i-acids eqinile, iziseko ezinamandla.
Umda wokuqhushumba 1.4-7.5%(V)
Refractive Index n20/D 1.394(lit.)
IiPropati zoMzimba kunye nezeMichiza Ulwelo olungenambala olunokutsha olunevumba elimnandi lesiqhamo.
indawo yokubilisa 126 ℃
indawo yokukhenkceza -77.9 ℃
ukuxinana kobudlelwane 0.8825
refractive index 1.3951
indawo edanyazayo 33 ℃
Ukunyibilika, isinyibilikisi se-organic esifana ne-ether iyaxubeka, kwaye ayinyibiliki kancinci emanzini kune-homolog esezantsi.
ulwelo olungenambala nevumba leziqhamo. Relative density (20 ℃/4 ℃) 0.8825, iqondo lomkhenkce -73.5 ℃, iqondo lokubila 126.11 ℃, iFlash Point (ivula) 33 ℃, ignition point 421 ℃, irefractive index 1. 39421, derext C. . 91KJ / (kg, K), viscosity (20 degrees C) 0.734mPas, solubility parameter delta = 8.5. Inyibilika etywaleni, iketone, iether kunye nezinye izinyibilikisi eziphilayo, zinyibilika kancinane emanzini. Kwimeko yokushisa okuphezulu, ilangatye elivulekileyo, i-oxidant ibangele umngcipheko wokutsha. Umphunga wenza umxube oqhumayo nomoya onogqabhuko-dubulo lwe-1.4% -8.0%(vol). Ubuthi obuphantsi, i-anesthesia kunye nokucaphuka, i-concentration ephezulu evumelekileyo emoyeni 300mg / m3(okanye 0.015%).
Sebenzisa I-colloids, i-nitrocellulose, ivanishi, isikhumba, amayeza, iiplastiki kunye neshishini leziqholo. I-solvent egqwesileyo yezinto eziphilayo, ezinokuthi zinyibilikise i-Rosin, i-polyvinyl acetate, i-polyacrylate, i-polyvinyl chloride, i-rubber chlorinated, i-Eucommia ulmoides gum, i-polymethyl methacrylate kunye nokunye.

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iikhowudi zoMngcipheko I-R10-Inokutsha
I-R66 – Ukutyhileka okuphindaphindiweyo kunokubangela ukomisa kolusu okanye ukuqhekeka
R67 – Umphunga unokubangela ukozela kunye nesiyezi
Inkcazelo yoKhuseleko S25 – Kuphephe ukudibana namehlo.
Izazisi ze-UN UN 1123 3/PG 3
WGK eJamani 1
RTECS AF7350000
I-TSCA Ewe
Ikhowudi ye-HS 2915 33 00
IKlasi yeeNgozi 3
Iqela lokuPakisha III
Ubutyhefu I-LD50 ngomlomo kwiimpuku: 14.13 g/kg (Smyth)

 

Intshayelelo

Ibutyl acetate, ekwaziwa njenge butyl acetate, lulwelo olungenambala nevumba elinukayo elinganyibiliki kangako emanzini. Oku kulandelayo sintshayelelo kwiipropati, ukusetyenziswa, iindlela zokulungiselela kunye nolwazi lokhuseleko lwe-butyl acetate:

Umgangatho:

- Imbonakalo: Ulwelo olungenambala olucacileyo

- Ifomula yemolekyuli: C6H12O2

- Ubunzima beMolekyuli: 116.16

- Ubuninzi: 0.88 g/mL ku-25 °C (lit.)

Indawo yokuBilisa: 124-126 °C (ilayiti.)

Indawo yokunyibilika: -78 °C (ilayiti.)

- Ukunyibilika: Inyibilika kancinane emanzini, inyibilika kwizinyibilikisi ezininzi zezinto eziphilayo

Sebenzisa:

- Ukusetyenziswa kwemizi-mveliso: I-Butyl acetate yinto ebalulekileyo ye-solvent ye-organic, esetyenziswa ngokubanzi kwiipeyinti, iingubo, iiglues, i-inki kunye nezinye iindawo zoshishino.

- Iimpendulo zeMichiza: Inokusetyenziswa kwakhona njenge-substrate kunye ne-solvent kwi-organic synthesis yokulungiswa kwezinye izinto eziphilayo.

Indlela:

Ukulungiswa kwe-acetate ye-butyl ngokuqhelekileyo kufumaneka nge-esterification ye-acetic acid kunye ne-butanol, efuna ukusetyenziswa kwe-acid catalysts efana ne-sulfuric acid okanye i-phosphoric acid.

Ulwazi ngoKhuseleko:

- Kuphephe ukuphefumla, ukudibana nolusu kunye nokusela, kwaye unxibe iiglavu ezikhuselayo, izibuko kunye nezikhuselo zobuso xa usebenzisa.

- Sebenzisa kwindawo engena umoya kwaye uthintele ukuvela ixesha elide kwiindawo eziphezulu.

- Gcina kude nomlilo kunye nee-oxidants ukuqinisekisa ukuzinza kwazo.

 


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