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umkhiqizo

I-2-3-DiethylPyrazine (CAS#15707-24-1)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C8H12N2
I-Molar Mass 136.19
Ukuminyana 0.963 g/mL ku-25 °C (okhanyisiwe)
I-Boling Point 180-182 °C (okhanyisiwe)
I-Flash Point 159°F
Inombolo ye-JECFA 771
I-Vapor Presure 1.03mmHg ku-25°C
Ukubukeka Uketshezi olubonisa ngale ukuya kokuphuzi
I-Gravity ethize 0.963
Umbala Ayinambala ukuya kokuphuzi ngokukhanyayo
pKa 2.16±0.10(Okubikezelwe)
Isimo Sesitoreji Umkhathi ongenayo, izinga lokushisa legumbi
I-Refractive Index n20/D 1.5(lit.)
I-MDL I-MFCD00006151
Izakhiwo Zomzimba Nezamakhemikhali Ubukhulu: 0.963
Indawo yokubilisa: 180-182°C
ND20 1.499-1.501
indawo ekhanyayo: 64°C
Sebenzisa Isetshenziswa njengokunambitheka kokudla

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi Xi - Irritant
Amakhodi Engozi R37/38 – Ukucasula uhlelo lokuphefumula kanye nesikhumba.
R41 – Ingozi yokulimala okubi emehlweni
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S39 – Gqoka ukuvikela iso / ubuso.
Ama-ID e-UN UN 3334
I-WGK Germany 3
I-TSCA Yebo
Ikhodi ye-HS 29339900

 

Isingeniso

I-2,3-diethylpyrazine iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sobunjalo bayo, ukusetshenziswa, indlela yokulungiselela kanye nolwazi lokuphepha:

 

Ikhwalithi:

- Ukubukeka: I-2,3-diethylpyrazine iwuketshezi oluphuzi olukhanyayo olungenambala ukuya kokukhanyayo olunamaphunga afana nentuthu, ithosi namantongomane.

- Ukunyibilika: Ingancibilika kuzincibilikisi zemvelo njenge-ethanol, i-ether ne-benzene.

 

Sebenzisa:

 

Indlela:

I-2,3-diethylpyrazine ivame ukulungiswa ngokusabela kwe-pyrazine ne-ethyl bromide phambi kwe-catalyst alkaline.

 

Ulwazi Lokuphepha:

- 2,3-Diethylpyrazine ngokuvamile iphephile ngaphansi kwezimo zokusetshenziswa okuvamile futhi ayinabo ubuthi obubalulekile.

- Noma iyiphi ikhemikhali kufanele isetshenziswe ngokuqapha, izinqubo zokusebenza eziphephile kufanele zilandelwe, ukuthintana nesikhumba namehlo kufanele kugwenywe, futhi ukuhogela umoya noma ukukungenisa kufanele kugwenywe.

- Lapho kwenziwa ukukhiqizwa noma ukusetshenziswa kwezinga elikhulu, izindlela zokusebenza eziphephile ezifanele ziyobhekwa, futhi ukuphathwa nokulawula kuzokwenziwa ngokuhambisana nemithetho neziqondiso.

 


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