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umkhiqizo

I-Succinic acid(CAS#110-15-6)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C4H6O4
I-Molar Mass 118.09
Ukuminyana 1.19g/mLat 25°C(lit.)
I-Melting Point 185 °C
I-Boling Point 235 °C
I-Flash Point >230°F
Ukuncibilika kwamanzi 80 g/L (20 ºC)
Ukuncibilika Incibilika emanzini, incibilika kancane ku-ethanol, ether, acetone, glycerin. Ayincibiliki ku-chloroform ne-dichloromethane.
I-Vapor Presure 0-0Pa ku-25℃
Ukubukeka Ikristalu elimhlophe
Umbala Okumhlophe kuya kokumhlophe
I-Merck 14,8869
I-BRN 1754069
pKa 4.16(ku-25℃)
PH 3.65(1 mM isisombululo);3.12(10 mM isixazululo);2.61(100 mM isixazululo);
Isimo Sesitoreji 2-8°C
Ukuzinza Izinzile. Izinto okufanele zigwenywe zihlanganisa izisekelo eziqinile, ama-oxidizing agents aqinile. Okuvuthayo.
Kuyazwela Ukumunca kalula umswakama
I-Refractive Index n20/D 1.4002(lit.)
I-MDL I-MFCD00002789
Izakhiwo Zomzimba Nezamakhemikhali Izici zamakristalu angenambala, iphoyinti elincibilikayo le-asidi ngu-188 ℃

iphoyinti elibilayo 235 ℃ (ukubola)

ukuminyana kwesihlobo 1.572

i-solubility, i-ethanol ne-ether. Ayincibiliki ku-chloroform ne-dichloromethane.

Sebenzisa Ikakhulukazi esetshenziselwa ukulungiswa kwe-succinic anhydride, i-succinic acid esters nezinye izinto eziphuma kuzo, ezisetshenziswa njengezinto zokusetshenziswa zokumboza, odayi, izinto zokunamathisela, izidakamizwa nokunye.

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi Xi - Irritant
Amakhodi Engozi R37/38 – Ukucasula uhlelo lokuphefumula kanye nesikhumba.
R41 – Ingozi yokulimala okubi emehlweni
R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela iso/ubuso.
I-S37/39 – Gqoka amagilavu ​​afanelekile kanye nokuvikela iso/ubuso
S39 – Gqoka ukuvikela iso / ubuso.
Ama-ID e-UN UN 3265 8/PG 3
I-WGK Germany 1
I-RTECS WM4900000
I-TSCA Yebo
Ikhodi ye-HS 29171990
Ubuthi I-LD50 ngomlomo kuNogwaja: 2260 mg/kg

 

Isingeniso

I-Succinic acid iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha lwe-succinic acid:

 

Ikhwalithi:

- Ukubukeka: Okuqinile kwecrystalline engenambala

- Ukunyibilika: I-Succinic acid incibilika kalula emanzini nakwezinye izincibilikisi zemvelo

- Izakhiwo zamakhemikhali: I-Succinic acid iyi-asidi ebuthakathaka ehlangana ne-alkali yakhe usawoti. Ezinye izici zamakhemikhali zihlanganisa ukusabela ngotshwala, ama-ketone, ama-esters, njll., okungase kuphelelwe amanzi emzimbeni, i-esterification, i-carboxylic acidification nokunye ukusabela.

 

Sebenzisa:

- Ukusetshenziswa kwezimboni: I-Succinic acid ingasetshenziswa ekulungiseni ama-polymers njengamapulasitiki, ama-resin kanye nerabha, njengama-plasticizers, ama-modifiers, okokunamathela kanye nokunamathela.

 

Indlela:

Kunezindlela eziningi eziqondile zokulungiselela, okuhlanganisa ukusabela kwe-butalilic acid ne-hydrogen phambi kwe-catalyst, noma ukuyiphendula nge-carbamate.

 

Ulwazi Lokuphepha:

- Gwema ukuthinta isikhumba namehlo, futhi ugeze ngokushesha ngamanzi amaningi uma uthintwa.

- Gwema ukuhogela uthuli lwe-succinic acid noma umhwamuko futhi ugcine indawo yokusebenza enomoya omuhle.

- Izinto zokuzivikela ezifanele ezifana namagilavu, izibuko, nezingubo zokuzivikela kufanele zigqokwe lapho uphatha i-succinic acid.


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