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umkhiqizo

2-5-Dimethylthiophene (CAS#638-02-8)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C6H8S
I-Molar Mass 112.19
Ukuminyana 0.985 g/mL ku-25 °C (okhanyisiwe)
I-Melting Point -63°C
I-Boling Point 134 °C/740 mmHg (okhanyisiwe)
I-Flash Point 75°F
Ukuncibilika kwamanzi Ayincibiliki emanzini. Incibilika otshwaleni, i-ether ne-benzene.
I-Vapor Presure 8.98mmHg ku-25°C
Ukubukeka Uketshezi
I-Gravity ethize 0.985
Umbala Kucace kungenambala ukuya kokuphuzi kancane
I-BRN 106450
Isimo Sesitoreji Gcina endaweni emnyama, emkhathini ongangeni, izinga lokushisa legumbi
I-Refractive Index n20/D 1.512(lit.)
I-MDL I-MFCD00005452
Izakhiwo Zomzimba Nezamakhemikhali Uketshezi oluphuzi olungenambala noma olukhanyayo. Iphoyinti lokubilisa elingu-134 deg C (0.985 mmHg), indawo ekhanyayo engu-23 deg C, amandla adonsela phansi athile.

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi U-R10 – Uyavutha
R37 – Ukucasula uhlelo lokuphefumula
U-R20/22 – Kuyingozi ngokuhogela umoya futhi uma ugwinyiwe.
Incazelo Yokuphepha S23 – Ungawuphefumuli umhwamuko.
I-S24/25 - Gwema ukuthintana nesikhumba namehlo.
S16 – Zigcine kude nemithombo yokuthungela.
S36 – Gqoka izingubo ezifanele zokuzivikela.
I-S33 - Thatha izinyathelo zokuphepha ngokumelene nokukhishwa okumile.
S29 – Ungathululi emiseleni.
S7/9 -
S3/7/9 -
Ama-ID e-UN UN 1993 3/PG 3
I-WGK Germany 3
Ikhodi ye-HS 29349990
I-Hazard Class 3
Iqembu Lokupakisha II

 

Isingeniso

I-2,5-Dimethylthiophene iyinhlanganisela yezinto eziphilayo. Iwuketshezi olunobuthi obuphansi futhi olungashi oluphuzi ngokuphaphathekile ukuya olungenambala ezingeni lokushisa legumbi.

 

Ikhwalithi:

I-2,5-Dimethylthiophene inokuncibilika okuhle futhi incibilika kuzincibilikisi zemvelo ezifana notshwala, ama-ethers nama-hydrocarbons ane-chlorine. Inokunambitheka okuqinile kwe-thiomycin futhi inephunga elibi elincane emoyeni.

 

Sebenzisa:

 

Indlela:

Indlela evamile yokulungiselela i-2,5-dimethylthiophene itholakala ngokusabela kwe-thiophene ne-methyl bromide.

 

Ulwazi Lokuphepha:

I-2,5-dimethylthiophene inobuthi obuphansi, kodwa kusadingeka ukunaka ukusebenza okuphephile. Ukuthintana kwesikhumba neso kufanele kugwenywe lapho uthintana, amagilavu ​​okuzivikela, kufanele kugqokwe izibuko, futhi izinto zokuzivikela ezifanele kufanele zisetshenziswe ngaphandle kwelabhorethri. Lapho isetshenziswa noma igcinwa, kufanele igcinwe kude nemithombo yomlilo kanye nama-oxidants, futhi izimo ezingenawo umoya kufanele zigcinwe. Uma udliwe noma uhogelwe, funa usizo lwezokwelapha ngokushesha.


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