Terephthalic acid cas 100-21-0 / PTA

Tlhaloso e khutšoane:

Asiti ea Terephthalic ke li-khystals tse tšoeu tse nang le li-nale kapa li-pouderderd. Ho qhibilihisa tharollo ea alkaline, hanyane ka hanyane ethanol, ethanol e chesang, e sa tloaelehang ka metsing, ether, acist asicid le chlorotic.

Terephtalic acid ke ntho ea bohlokoa ea ho etsa polokelo ea polyester, lifilimi, likhoele, likhoele tsa bohlokoa le lipolanete tsa lipula.


Lintlha tsa sehlahisoa

Li-tag tsa lihlahisoa

Tlhaloso

Lebitso la sehlahisoa: Terephthalic acid
Cas: 100-21-0
MF: C8h6O4
MW: 166.13
Einecs: 202-830-0
Ntlha ea ho qhibilihi:> 300 ° C (Lit.)
Khoeling ea Phello: 214.32 ° C (tekanyetso e mpe)
Letsoalo: 1.58 g / cm3 ka 25 ° C
Khatello ea mouoane: <0,01 mm hg (20 ° C)
Indranti ea theko e phahameng: 1.5100 (hakanya)
FP: 260 ° C
Pka: 3.51 (e 25 ℃)
 

Asiti ea terefthalic e sebelisoa bakeng sa eng?

Acidhalic acid e sebelisoa haholo ho hlahisa polyethylene Terephthate ea polyethylene Terephthate (lapeng) e sebelisoang haholo ho etsa libotlolo tsa polasetiki, sejana le likhoele le likhoele tsa maiketsetso. Peo ea lapeng e tsejoa ka matla a eona, ho tsitsa mocheso le ho mongobo. Ntle le moo, acid ea Terephthalic e sebelisoa ho hlahisa lisebelisoa tse ling tse fapaneng, ho kenyelletsa:

1. Masela a reng: Ke motsoako oa bohlokoa tlhahisong ea filyester fiber, e sebelisoang liaparo le lintho tsa ntlo.
2. Theko: Acid ea Terephthalic e sebelisoa ho lokisa batho ba sa boneng le bakolli ba fapaneng.
3. Liphalefa tsa polasetiki: Ho kenyelletsa tlhahiso ea li-pantuorctor tsa boenjiniere tse hlokang ho tšoarella haholo le ho hanyetsa ka lik'hemik'hale.
4. Liktlapo: acidthaitive acid e ka sebelisoa e le lipakeng tsa lik'hemik'hale ka li-comnthesis tsa metsoako e meng.

 

Package

E tletse ka 25 kg ka moqomo kapa e thehiloeng litlhoko tsa bareki.

Polokelo

eng

Ho boloka mokhoa o sireletsehileng terephthalic acid, latela litataiso tsena:

1. Sets: Store Terephthalic Acid ka lisebelisoa tse tiisitsoeng, joalo ka khalase kapa mohopolo oa polyethylene le mongobo.

2. Sebaka: Boloka setshelo ka sebakeng se pholileng, se omileng le se nang le moea o fokang hantle hole le khanya ea letsatsi le mocheso. Qoba ho boloka polokelo libakeng tse nang le mongobo o phahameng.

3. Mocheso: Boloka mocheso oa polokelo ka har'a mefuta e khothalelitsoeng, hangata ka tlase ho 25 ° C (77 ° F), ho thibela ho nyonyeha kapa ho fetola thepa.

4. Ngola: Lijana tsa lebitso le nang le lebitso la lik'hemik'hale, tlhahisoleseling ea tlhaho le letsatsi la ho amohela.

5. Karohano: Ka kopo boloka hole le lintho tse sa lumellaneng, tse kang li-oxidants tse matla, ho thibela karabelo leha e le efe.

6. Litemoso tsa polokeho

 

Na ke terephthalic acid e kotsi ho motho?

Hangata acid acid e nkuoa e le chefo e tlase, empa e ntse e beha likotsi tsa bophelo bo botle maemong a itseng. Mona ke lintlha tsa bohlokoa tsena tsa bohlokoa ka hore na u ka utloisa batho bohloko.

1. Ho inhalation le ho ikopanya le letlalo Ho khothalletsoa ho sebelisa lisebelisoa tse loketseng tsa ts'ireletso ha u sebetsana le lintho tsena.

2. Ho kenella: Le ha acid acid ha a kopane, ho kenella ka tšohanyetso ho ka baka patero ea gastrointe.

3. Boemo ba tsamaiso

4. Tšusumetso ea tikoloho: Le hoja Terephthalic acid ha e bake sefuba 'mele oa motho, haeba e lokolloa tikolohong e kholo, e tla ba e ama bophelo ba motho ka mokhoa o sa tobang.

P-Anisaldehyde

Litlhokohlolo ha sekepe se romelloa?

Potso

Ha u tsamaisa acid ea Terephthalic, ho bohlokoa ho latela mehato e ikhethang ea ho netefatsa polokeho le ho latela melao. Mona ke meqoso e meng ea bohlokoa eo u ka e nahanang:

1. Ho paka: Sebelisa lijana tse nepahetseng tse lumellanang le acid ea Terephthalic. Ka kakaretso, e lokela ho bolokoa har'a lijana tse ngotsoeng li tiisitsoeng, tse entsoeng ka lisebelisoa tse sa arabele ka asiti.

2. Le ngolla: Ngola tsohle li sebelisana 'ohle ka mabitso a lik'hemik'hale a nepahetseng, matšoao a kotsi le ho sebetsana le litaelo. Etsa bonnete ba ho ngola ho latela melao ea lehae le machabeng.

3. Melaoana ea lipalangoang: Lala melao bakeng sa lipalangoang tsa lik'hemik'hale, joalo ka lefapha la lipalangoang (dot) kapa la machabeng) bakeng sa lipalangoang tsa moea. Acidthalic acid ha e khetholloe e le botle bo kotsi, empa ho bohlokoa ho netefatsa melao e itseng.

4. Taolo ea mocheso le ho boloka le ho tsamaisa acid ea Terephthalic sebakeng se pholileng le e omileng ho thibela ho soma kapa ho etsa ketso e nang le mongobo.

5. Qoba litšila: netefatsa hore ha ho na lithibelo tikolohong ea lipalangoang tse ka 'nang tsa arabela ka mokhoa oa Terephthalic.

6. Lisebelisoa tsa ts'ireletso ea motho (ppe)

7. Mekhoa ea tšohanyetso: Haeba ho na le litšila kapa u tsoa nakong ea lipalangoang, ntlafatsa mekhoa ea tšohanyetso. Sena se kenyelletsa ho ba le li-spill kit le lisebelisoa tsa thuso tsa pele tse lokiselitsoeng.

8. Litokomane: Boloka litokomane tse nepahetseng tsa ho tsamaisa, ho kenyelletsa le lishiti tsa data tsa polokeho (SDS) le liphatlalatso life kapa life tse hlokahalang.

 


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