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umkhiqizo

I-Propyl acetate(CAS#109-60-4)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C5H10O2
I-Molar Mass 102.13
Ukuminyana 0.888 g/mL ku-25 °C (okhanyisiwe)
I-Melting Point -95 °C (ukukhanya)
I-Boling Point 102 °C (okhanyisiwe)
I-Flash Point 55°F
Inombolo ye-JECFA 126
Ukuncibilika kwamanzi 2g/100 mL (20 ºC)
Ukuncibilika amanzi: ancibilikayo
I-Vapor Presure 25 mm Hg ( 20 °C)
I-Vapor Density 3.5 (vs air)
Ukubukeka Uketshezi
I-Gravity ethize 0.889 (20/4℃)
Umbala I-APHA: ≤15
Iphunga Izithelo ezithambile.
Umkhawulo Wokuchayeka I-TLV-TWA 200 ppm (~840 mg/m3) (ACGIH,MSHA, ne-OSHA); I-TLV-STEL 250 ppm(~1050 mg/m3) (ACGIH); IDLH 8000 ppm(NIOSH).
I-Merck 14,7841
I-BRN 1740764
Isimo Sesitoreji Gcina ngaphansi kuka +30°C.
Ukuzinza Izinzile. Ivutha kakhulu. Ingase sisabele ngobudlova ngama-oxidizing agents. Ingase yakhe izingxube eziqhumayo ngomoya. Akuhambisani nama-oxidizing agents aqinile, ama-acids, izisekelo.
Umkhawulo Oqhumayo 1.7%, 37°F
I-Refractive Index n20/D 1.384(lit.)
Izakhiwo Zomzimba Nezamakhemikhali Uketshezi olungenambala olunephunga elimnandi lezithelo.
ukuncibilika -92.5 ℃
iphoyinti abilayo 101.6 ℃
ukuminyana okuhlobene 0.8878
inkomba ye-refractive 1.3844
iphoyinti elikhanyayo 14 ℃
ukuncibilika, ama-ketone nama-hydrocarbon ayaxubeka futhi ancibilika kancane emanzini.
Sebenzisa Inani elikhulu lama-coatings, oyinki, upende we-Nitro, ukuvenisha kanye nezinhlobonhlobo ze-resin solvent ezinhle kakhulu, ezibuye zisetshenziswe embonini ye-flavour nephunga.

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi I-R11 – Ivutha Kakhulu
R36 – Ukucasuka emehlweni
R66 – Ukuchayeka kaningi kungabangela ukomisa kwesikhumba noma ukuqhekeka
R67 – Izihwamuko zingadala ukozela kanye nesiyezi
Incazelo Yokuphepha S16 – Zigcine kude nemithombo yokuthungela.
S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S29 – Ungathululi emiseleni.
I-S33 - Thatha izinyathelo zokuphepha ngokumelene nokukhishwa okumile.
Ama-ID e-UN UN 1276 3/PG 2
I-WGK Germany 1
I-RTECS AJ3675000
I-TSCA Yebo
Ikhodi ye-HS 2915 39 00
Inothi Lengozi Iyacasula/Ivutha Kakhulu
I-Hazard Class 3
Iqembu Lokupakisha II
Ubuthi I-LD50 kumagundane, amagundane (mg/kg): 9370, 8300 ngomlomo (Jenner)

 

Isingeniso

I-Propyl acetate (eyaziwa nangokuthi i-ethyl propionate) iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha lwe-propyl acetate:

 

Ikhwalithi:

- Ukubukeka: I-Propyl acetate iwuketshezi olungenambala olunephunga elifana nesithelo.

- Ukunyibilika: I-Propyl acetate iyancibilika otshwaleni, kuma-ether nezincibilikisi ezinamafutha, futhi cishe ayincibiliki emanzini.

 

Sebenzisa:

- Ukusetshenziswa kwezimboni: I-Propyl acetate ingasetshenziswa njengesixazululi futhi ivame ukusetshenziswa ezinqubweni zokukhiqiza izimbotshana, ama-varnish, izinto zokunamathisela, i-fiberglass, ama-resin, namapulasitiki.

 

Indlela:

I-Propyl acetate ivame ukulungiswa ngokuphendula i-ethanol ne-propionate nge-catalyst ye-asidi. Ngesikhathi sokusabela, i-ethanol ne-propionate zithola i-esterification phambi kwe-acid catalyst ukuze kwakhiwe i-propyl acetate.

 

Ulwazi Lokuphepha:

- I-Propyl acetate iwuketshezi oluvuthayo futhi kufanele igcinwe kude namalangabi avulekile kanye nemithombo yokushisa ephezulu.

- Gwema ukuhogela amagesi e-propyl acetate noma umhwamuko njengoba kungase kubangele ukucasuka kwendlela yokuphefumula namehlo.

- Lapho uphatha i-propyl acetate, gqoka amagilavu ​​okuzivikela afanelekile, izibuko, nezingubo zokuzivikela.

- I-Propyl acetate inobuthi futhi akufanele idliwe ngokuthintana ngqo nesikhumba noma ukungeniswa.

 


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