China Methyl acetate ifektri abakhiqizi | Debon

methyl acetate

Incazelo emfushane:

Methyl physicochemical izakhiwo kanye ingozi izici igama Ithebula Methyl acetate yamangqamuzana ifomula C3H6O2 okuyingozi Izimpahla Cha 33627 Ukwahlukanisa futhi Ukumaka Class 3.2 Flash iphuzu oluvuthayo ketshezi izakhiwo physicochemical & nb


umkhiqizo Imininingwane

umkhiqizo Amathegi

Uhlu Izakhiwo kanye zamakhemikhali izakhiwo ngokuba yingozi kwezinkolelo-methyl acetate

igama Into methyl acetate  ifomula Yamamolekhula C 3H 6O 2
Inombolo Izimpahla okuyingozi 33627  Ukwahlukanisa futhi Ukumaka Flash iphuzu uketshezi oluvutha kalula esigabeni 3.2
izakhiwo Physicochemical          

Abilayo iphuzu (° C)

57,8

inhlanganiso Isihlobo (amanzi = 1)

0,92

Te umusi ingcindezi (KPA)

13.33 (9.4 ℃)

Ukuqeda iphuzu (° C)

-98,7

Umusi kwabantu (emoyeni = 1)

2.55

solubility

encibilikayo kancane emanzini, oncibilikayo kumakhemikhali awuketshezi kakhulu organic ezifana ethanol futhi ether. 

Ukubukeka nokhondolo

A kungekho nto enemibala emihle, uketshezi esobala nge Iphunga.

Injongo eyinhloko

Isetshenziswa njengesici kuphela, ukunambitheka, lesikhumba yokufakelwa, reagents, njll

Fire and ukuqhuma idatha ingozi

Lo mkhiqizo oluvuthayo kanye abakucasulayo.

Flash iphuzu (° C)

-10 Explosion umkhawulo% 3.1 ~ 16.0 Ignition lokushisa (° C) 454

zokucisha ejenti

amanzi Mist, igwebu anti-kuphela, impuphu, isikhutha isihlabathi.

izindlela ukucima umlilo

Move isitsha kusukela umlilo evulekile ngangokunokwenzeka. Fafaza amanzi ukugcina cool umlilo isitsha kuze kube sekupheleni emlilweni.

izici eziyingozi

Kuyinto oluvuthayo, futhi umusi walo futhi emoyeni ungakheka ingxube alufakwa. Uma kwenzeka omlilo, ukushisa high, kuzobangela umlilo kanye nokuqhuma. Imininingwane nge oxidant iyaphendula ngamandla. umusi wayo ngoyisiwula kusinda kunakho emoyeni futhi ungasabalalisa endaweni kuqhathaniswa ezikude endaweni ephansi. Kuyoba okhela okhela uma kunengozi yomlilo.
idatha esisheshayo

ukuzinza

ezinzile

engazinzile

 

izimo Gwema

 

polymerization ingozi

Lokho kungenzeka akhona

 

alikho

izimo Gwema

 

ukungavumelani

Ukungavumelani Namandla oxidants, lezisekelo zalo, acid. Amandla omlilo (noqhekeko) imikhiqizo I-carbon monoxide, carbon dioxide.
idatha Impilo ingozi

Umzila lihlasele

inhalation isikhumba

 

acute ubuthi

LD50 5450 mg / kg (Igundane temlomo); 3700 mg / kg (Rabbit TEMLOMO) LC50 Ayikho idatha 
Impilo ingozi: izinzwa nemiphumela abakucasulayo. Imininingwane nale umusi umkhiqizo kubangela iso esivuthayo, Ukubhidliza, dyspnea lesichubekako, ikhanda, isiyezi, palpitations, ukucindezeleka sezinzwa uhlelo ukucindezeleka. Methanol ezivezwa noqhekeko yayo kungabangela umbono ukulahlekelwa, yoma optic nezinto ezifana nalezo.
handling eziphuthumayo ye ochithekile: Rapid esiphuthumayo izisebenzi ezindaweni eziphephile nesizungu. Nqumani umthombo umlilo. Kunconywa ukuthi Abosizo ukugqoka akancike omuhle ingcindezi ukuphefumula apharathasi begodu ukugqoka ovaloli anti-static. Nqumani umthombo ukuvuza ngangokunokwenzeka. Ukuvimbela ukungena izikhala kuvinjelwe ezifana endle futhi namadreni kukazamcolo. Inani elincane ukuvuza: ugxile ne-carbon isebenze noma ezinye izinto inert. Inani elikhulu ukuvuza: ekwakheni dike noma Omba umgodi. Cover amagwebu ukunciphisa umusi nezingozi. Dlulisela ku iloli ithangi noma ngalendoda obukhethekile ukuqhuma-ubufakazi futha, bavuselele noma ezokuthutha kwisayithi imfucuza ukuze kuyolahlwa.
Ukugcinwa Kwazo Ngenjongo zokuthutha izinyathelo zokuphepha: Isitolo endaweni epholile, umoya ishede. Dedani umlilo nokushisa. Amazinga kwesigubhu kumele singeqi 30 ° C. Gcina esitsheni evaliwe. Kumele kugcinwe ngokuhlukile oxidants, acid kanye alkalis, futhi akufanele kube edidayo. Asetshenziswa Explosion-ubufakazi kukhanyisa ukupholisa izakhiwo. Akuvunyelwe ukusebenzisa imishini mechanical namathuluzi ezithandwa Sparks. Le ndawo isitoreji kufanele ifakwe ukuvuza ukwelashwa okuphuthumayo imishini futhi containment izinto ezifanele.
izinyathelo zokuzivikela:

Umsebenzi ukuchayeka umkhawulo

MAC (mg / M3): Hhayi washayelwa PC-TWA (mg / M3): 200 PC-STEL (mg / M3): 500

isilawuli ubunjiniyela

Inqubo ukukhiqiza avaliwe futhi umoya ngokugcwele. Ukuphepha shower imishini eyewash zinikezwa ..

Ukuvikelwa Lokuphefulmula

Gqoka self-priming isihlungi respirators uma nabo evala. Gqoka i ngomshini emoyeni uma bayakhululwa noma ziyakhishwa.

Ukuvikelwa umzimba

Gqoka ovaloli anti-static.

Ukuvikelwa Hand

Ukubhema akuvunyelwe nakancane ngesikhathi indawo umsebenzi. Ngemva komsebenzi, ushawa. Nakani inhlanzeko yomuntu siqu.

Ukuvikela amehlo

Gqoka chemical ukuphepha izibuko.

nezinye

Ukubhema akuvunyelwe nakancane ngesikhathi indawo umsebenzi. Ngemva komsebenzi, ushawa. Nakani inhlanzeko yomuntu siqu.

  • Previous:
  • Okulandelayo:

  • Bhala umyalezo wakho lapha futhi ulithumele kithi