Amakhodi ezingozi R11 - Kuvutha kalula R36 - Kucasula amehlo R66 - Ukuchayeka okuphindaphindiwe kungaholela ekumeni kwesikhumba noma ekuqhekekeni R67 - Umusi ungadala ukozela nesiyezi Incazelo yokuphepha S16 - Gcina kude nemithombo yokuvutha. S26 - Uma kungena emehlweni, geza ngokushesha ngamanzi amaningi bese uya kudokotela. S29 - Ungakuthululeli emseleni wendle. S33 - Thatha izinyathelo zokuphepha ngokumelene nokukhishwa kukagesi omile. Izincwadi zomazisi ze-UN No UN 1276 3/GU 2 WGK Germany 1 RTECS AJ3675000 TSCA Yebo Ikhodi ye-HS 2915 39 00 Inothi lengozi Okucasulayo/okuvutha kalula Ikilasi lengozi 3 Iqembu lokupakisha Isahluko II Ubuthi LD50 kumagundane, amagundane (mg/kg): 9370, 8300 ngomlomo (Jenner) Isingeniso I-Propyl acetate (eyaziwa nangokuthi i-ethyl propionate) iyinhlanganisela yemvelo. Ngezansi kunolwazi olufushane mayelana nezakhiwo, ukusetshenziswa, izindlela zokukhiqiza kanye nokuphepha kwe-propyl acetate: Ikhwalithi: - Ukubukeka: I-Propyl acetate iwuketshezi olungenambala olukhangayo olunephunga lezithelo. - Ukuncibilika: I-Propyl acetate iyancibilika kuma-alcohol, ama-ether kanye nezincibilikisi ezinamafutha futhi ayincibiliki emanzini. Ukusetshenziswa: - Ukusetshenziswa kwezimboni: I-Propyl acetate ingasetshenziswa njengesincibilikisi futhi ivamise ukusetshenziswa ezinqubweni zokukhiqiza izinto zokumboza, ama-lacquer, ama-glue, i-fiberglass, ama-resin kanye namapulasitiki. Indlela: I-Propyl acetate ivamise ukutholakala ngokusabela kwe-ethanol ne-propionate nge-acid catalyst. Phakathi nokusabela, i-ethanol ne-propionate zenza i-esterification phambi kwe-acid catalyst ukuze kwakheke i-propyl acetate. Ulwazi lokuphepha: - I-Propyl acetate iwuketshezi oluvutha kalula futhi kufanele igcinwe kude nomlilo ovulekile kanye nemithombo yokushisa ephezulu. - Gwema ukuhogela amagesi noma umusi we-propyl acetate, ngoba lokhu kungadala ukucasuka kwemigudu yokuphefumula kanye namehlo. - Uma usebenza ne-propyl acetate, gcina amagilavu okuzivikela afanele, izibuko kanye nezingubo zokuzivikela. - I-Propyl acetate inobuthi futhi akufanele isetshenziswe lapho ithinta isikhumba noma igwinya.
I-Propyl acetate – i-ester ye-acetic acid ne-n-propanol (C₅H₁₀O₂, isisindo samangqamuzana 102.13). Uketshezi olungenambala olunokuhlanzeka okungu-≥99% nephunga elimnandi lezithelo likapheya. Ngokwemvelo itholakala kuma-apula, ubhanana, ama-nectarine namagilebhisi.
B zezimboni – isincibilikisi esisebenza kahle kakhulu sokukhishwa okulingene kwe-nitrocellulose, i-cellulose acetate butyrate, izinhlaka ze-polyester, alkyd kanye ne-acrylic. Isetshenziswa kakhulu ekukhiqizeni uyinki wokunyathelisa (i-flexographic ne-screen printing), ama-nitrolacquer, upende, ama-lacquer, ama-glue kanye nezembo zezimboni. Ngenxa yephrofayela yezemvelo isebenza njengokufaka esikhundleni esikhethwayo se-benzene nama-ketone.
Ku embonini yokudla – ibhaliswe njenge-flavour yokudla (FEMA 2925) ukwengeza imisindo yezithelo. Ku-B yezimboni zokwakha amakha nezimonyo – ingxenye yamakha kanye ne-solvent ezintweni zokunakekela izinzipho. Ku-B ocwaningweni – njenge-reagent kanye nengxenye engaba khona ye-biofuel.
Ukugcinwa: esitsheni esivalekile endaweni epholile, enomoya omuhle, kude nemithombo yomlilo (uketshezi oluvutha kalula, izinga lokuvutha 13°C). Umkhiqizo wenzelwe ukuhlanganiswa kwezimboni, imboni yokudla, amakha, izimonyo kanye nocwaningo nentuthuko. Ngesikhathi sokusebenza landela izinyathelo ezijwayelekile zokuzivikela (amagilavu, izibuko, ikhabethe lokudonsa umoya).
