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umkhiqizo

I-2-6-dimethyl-pyrazine (CAS#108-50-9)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C6H8N2
I-Molar Mass 108.14
Ukuminyana 0.965(50.0000℃)
I-Melting Point 35-40°C(lit.)
I-Boling Point 154°C(okhanyisiwe)
I-Flash Point 127°F
Inombolo ye-JECFA 767
Ukuncibilika kwamanzi Incibilika emanzini.
Ukuncibilika I-Chloroform, i-Methanol (Kancane)
I-Vapor Presure 3.87mmHg ku-25°C
Ukubukeka Ikristalu yephoyinti elincibilikayo eliphuzi elikhanyayo
Umbala Okuphuzi okuphaphathekile
I-BRN 1726
pKa 2.49±0.10(Okubikezelwe)
PH 7 (H2O, 20℃)
Isimo Sesitoreji -20°C
I-Refractive Index 1.5000
I-MDL I-MFCD00006148
Izakhiwo Zomzimba Nezamakhemikhali Amakristalu ebhulokhi amhlophe kuya kokuphuzi anephunga lekhofi namakinati athosiwe. Iphuzu elincibilikayo lingu-48 °c kanti indawo yokubilisa ingu-155 °c. Incibilika emanzini nasezincibilikisini eziphilayo.
Sebenzisa Ukuze uthole ukudla okuhlukahlukene, imikhiqizo egayiwe, ukunambitheka

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi U-R10 – Uyavutha
I-R22 – Iyingozi uma igwinywe
R37/38 – Ukucasula uhlelo lokuphefumula kanye nesikhumba.
R41 – Ingozi yokulimala okubi emehlweni
I-R11 – Ivutha Kakhulu
Incazelo Yokuphepha S16 – Zigcine kude nemithombo yokuthungela.
S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S39 – Gqoka ukuvikela iso / ubuso.
Ama-ID e-UN UN 1325 4.1/PG 2
I-WGK Germany 3
I-RTECS UQ2975000
I-TSCA Yebo
Ikhodi ye-HS 29339990
I-Hazard Class 4.1
Iqembu Lokupakisha III

 

Isingeniso

I-2,6-Dimethylpyrazine iyinhlanganisela yezinto eziphilayo.

 

Ikhwalithi:

- 2,6-Dimethylpyrazine iyimpushana eqinile emhlophe noma ephuzi ngokukhanyayo ngombala.

- Ine-solubility enhle futhi ingancibilika emanzini nasezincibilikisini eziphilayo.

- Lizinzile emoyeni, kodwa lingabola emazingeni okushisa aphezulu.

 

Sebenzisa:

- I-2,6-Dimethylpyrazine isetshenziswa kabanzi emikhakheni ehlukahlukene yamakhemikhali nobunjiniyela.

- Ingasetshenziswa njenge-reagent yamakhemikhali ocwaningweni lwesayensi ku-organic synthesis kanye ne-analytical chemistry.

- Ingasetshenziswa futhi njenge-catalyst yama-polymers.

 

Indlela:

- I-2,6-Dimethylpyrazine ingahlanganiswa ngezindlela ezihlukahlukene, ezivame ukulungiswa nge-cyclization ye-styrene ne-methyl methacrylate.

 

Ulwazi Lokuphepha:

I-2,6-Dimethylpyrazine iyinhlanganisela ephephile ngaphansi kwezimo ezijwayelekile zokusetshenziswa.

- Iyacasula esikhumbeni, emehlweni, nasemgudwini wokuphefumula futhi kufanele ivikelwe ngendlela efanele ngesikhathi isetshenziswa, iphathwa, futhi igcinwa.

- Gwema ukungenwa ngephutha, ukuthintana nesikhumba kanye nokuhogela uthuli ngesikhathi sokusebenza.

- Uma uthintana ngephutha noma uhogele umoya, hlambulula ngokushesha indawo ethintekile ngamanzi ahlanzekile futhi ufune usizo lwezokwelapha ngokushesha. Esimeni esiphuthumayo, funa usizo lwezokwelapha oluchwepheshile.

 

Lokhu okungenhla kuwulwazi oluyisisekelo kuphela, ukuze uthole ulwazi oluningiliziwe kanye nokusetshenziswa okuqondile, sicela ubhekisele ezincwadini zamakhemikhali ezifanele noma uxhumane nochwepheshe.


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