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umkhiqizo

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

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C6H12O2
I-Molar Mass 116.16
Ukuminyana 0.88 g/mL ku-25 °C (okhanyisiwe)
I-Melting Point -78 °C (ukukhanya)
I-Boling Point 124-126 °C (okhanyisiwe)
I-Flash Point 74°F
Inombolo ye-JECFA 127
Ukuncibilika kwamanzi 0.7 g/100 mL (20 ºC)
Ukuncibilika 5.3g/l
I-Vapor Presure 15 mm Hg ( 25 °C)
I-Vapor Density 4 (vs emoyeni)
Ukubukeka Uketshezi
I-Gravity ethize 0.883 (20/20℃)
Umbala ≤10(APHA)
Iphunga Isici; izithelo ezivuthiwe (ezimweni eziphansi); okungeyona insali.
Umkhawulo Wokuchayeka I-TLV-TWA 150 ppm (~710 mg/m3) (ACGIH,MSHA, ne-OSHA); I-TLV-STEL 200 ppm(~950 mg/m3); IDLH 10,000 ppm (NIOSH).
Ubukhulu be-wavelength(λmax) ['λ: 254 nm Amax: 1.0',
, 'λ: 260 nm Amax: 0.20′,
, 'λ: 275 nm Amax: 0.04′,
,: 300
I-Merck 14,1535
I-BRN 1741921
PH 6.2 (5.3g/l, H2O, 20℃)(I-MSDS Yangaphandle)
Isimo Sesitoreji Gcina ku +5°C kuya +30°C.
Ukuzinza Izinzile. Okuvutha umlilo. Akuhambisani nama-oxidizing agents aqinile, ama-acids aqinile, izisekelo eziqinile.
Umkhawulo Oqhumayo 1.4-7.5%(V)
I-Refractive Index n20/D 1.394(lit.)
Izakhiwo Zomzimba Nezamakhemikhali Uketshezi olungenambala oluvuthayo olunephunga elimnandi lesithelo.
iphoyinti lokubilisa 126 ℃
indawo yokubanda -77.9 ℃
ukuminyana okuhlobene 0.8825
inkomba ye-refractive 1.3951
iphoyinti elikhanyayo 33 ℃
ukunyibilika, i-organic solvent efana ne-ether iyaxubeka, futhi ayincibiliki kancane emanzini kune-homolog ephansi.
uketshezi olungenambala olunephunga lezithelo. Relative density (20 ℃/4 ℃)0.8825, iphoyinti eliqandayo -73.5 ℃, iphuzu abilayo 126.11 ℃, Flash Point (opening) 33 ℃, ignition point 421 ℃, refractive index 1. 3941, deg ethize ukushisa) . 91KJ/(kg, K), i-viscosity (20 degrees C) 0.734mPas, ipharamitha ye-solubility delta = 8.5. I-Soluble otshwaleni, i-ketone, i-ether nezinye izincibilikisi eziphilayo, inyibilika kancane emanzini. Uma kwenzeka ukushisa okuphezulu, ilangabi elivulekile, i-oxidant ibangele ingozi yokuvutha. Umhwamuko wenza ingxube eqhumayo nomoya onomkhawulo wokuqhuma ongu-1.4% -8.0%(vol). Ubuthi obuphansi, izinzwa kanye nokucasuka, ukugxila okuphezulu okuvunyelwe emoyeni 300mg/m3(noma 0.015%).
Sebenzisa Okwe-colloid, i-nitrocellulose, i-varnish, isikhumba, imithi, imboni yepulasitiki nezinongo. Kuyi-solvent enhle kakhulu ye-organic, engancibilikisa i-Rosin, i-polyvinyl acetate, i-polyacrylate, i-polyvinyl chloride, i-rubber e-chlorinated, i-Eucommia ulmoides gum, i-polymethyl methacrylate nokunye.

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi U-R10 – Uyavutha
R66 – Ukuchayeka kaningi kungabangela ukomisa kwesikhumba noma ukuqhekeka
R67 – Izihwamuko zingadala ukozela kanye nesiyezi
Incazelo Yokuphepha S25 – Gwema ukuthintana namehlo.
Ama-ID e-UN UN 1123 3/PG 3
I-WGK Germany 1
I-RTECS AF7350000
I-TSCA Yebo
Ikhodi ye-HS 2915 33 00
I-Hazard Class 3
Iqembu Lokupakisha III
Ubuthi I-LD50 ngomlomo kumagundane: 14.13 g/kg (Smyth)

 

Isingeniso

I-Butyl acetate, eyaziwa nangokuthi i-butyl acetate, iwuketshezi olungenambala olunephunga elimnandi elingancibiliki kalula emanzini. Okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha lwe-butyl acetate:

Ikhwalithi:

- Ukubukeka: Uketshezi olungenambala olusobala

- I-Molecular Formula: C6H12O2

Isisindo se-Molecular: 116.16

- Ukuminyana: 0.88 g/mL ku-25 °C (lit.)

Indawo yokubilisa: 124-126 °C (ekhanyisiwe)

- Iphoyinti Lokuncibilika: -78 °C (elikhanyayo)

- Ukunyibilika: Kuncibilika kancane emanzini, kuncibilika kuzincibilikisi eziningi eziphilayo

Sebenzisa:

- Izicelo zezimboni: I-Butyl acetate iyi-solvent ebalulekile ye-organic, esetshenziswa kakhulu kumapende, ama-coatings, amaglue, oyinki nezinye izimboni.

- Ukusabela kwamakhemikhali: Ingasetshenziswa futhi njenge-substrate kanye ne-solvent ku-organic synthesis ukuze kulungiswe ezinye izinhlanganisela eziphilayo.

Indlela:

Ukulungiswa kwe-acetate ye-butyl kuvame ukutholwa nge-esterification ye-acetic acid ne-butanol, edinga ukusetshenziswa kwe-acid catalysts njenge-sulfuric acid noma i-phosphoric acid.

Ulwazi Lokuphepha:

- Gwema ukuhogela, ukuthinta isikhumba nokungenwa lutho, futhi ugqoke amagilavu ​​okuzivikela, izibuko nezihlangu zobuso lapho usebenzisa.

- Sebenzisa endaweni enomoya omuhle futhi ugweme ukuchayeka isikhathi eside ezindaweni ezigxile kakhulu.

- Gcina kude nokushisa kanye nama-oxidants ukuqinisekisa ukuzinza kwawo.

 


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