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umkhiqizo

I-2-5-Dimethylfuran (CAS#625-86-5)

Isakhiwo Samakhemikhali:

I-Molecular Formula C6H8O
I-Molar Mass 96.13
Ukuminyana 0.905g/mLat 20°C
I-Melting Point -62 °C
I-Boling Point 92-94°C(lit.)
I-Flash Point 29°F
Inombolo ye-JECFA 1488
Ukuncibilika kwamanzi Kuhlanganiswe kancane namanzi. Ihlanganiswe ne-ethanol namafutha.
I-Vapor Presure 57.1mmHg ku-25°C
I-Vapor Density 3.31 (vs air)
Ukubukeka Uketshezi
I-Gravity ethize 0.903
Umbala Sula engenambala ukuya ku-amber
I-BRN 106449
Isimo Sesitoreji Indawo evuthayo
I-Refractive Index n20/D 1.441(lit.)
Sebenzisa Isetshenziswa njenge-Intermediate yezemithi

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi I-R11 – Ivutha Kakhulu
I-R22 – Iyingozi uma igwinywe
R2017/11/22 -
Incazelo Yokuphepha 16 - Gcina kude nemithombo yokuthungela.
Ama-ID e-UN UN 1993 3/PG 2
I-WGK Germany 3
I-RTECS LU0875000
AMAKHODI E-FLUKA BRAND F 8
I-TSCA Yebo
Ikhodi ye-HS 29321900
Inothi Lengozi Kuyingozi/Kuvutha
I-Hazard Class 3
Iqembu Lokupakisha II

 

Isingeniso

I-2,5-Dimethylfuran iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha lwe-2,5-dimethylfuran:

 

Ikhwalithi:

- Ukubukeka: I-2,5-Dimethylfuran iwuketshezi olungenambala olunephunga elingavamile.

- Ukunyibilika: kuncibilika kuzincibilikisi zemvelo njenge-ethanol ne-ether, ezingancibiliki emanzini.

- Ukuzinza: Iqinile uma kuqhathaniswa nezinga lokushisa legumbi, kodwa idinga ukuvikelwa ekukhanyeni futhi ivalwe.

 

Sebenzisa:

- I-2,5-dimethylfuran ivame ukusetshenziswa njenge-solvent embonini yamakhemikhali, ikakhulukazi ukuchithwa kwe-polymer compounds, njengama-polymers, ama-resin, njll.

 

Indlela:

- 2,5-Dimethylfuran ingalungiswa ngokusabela kwe-furan nge-ethylene. Okokuqala, ukusabela okungeziwe kwe-furan ne-ethylene ngaphansi kwesenzo se-acid catalyst kwenziwa, bese ukusabela kwelungiselelo le-alkali-catalyzed kwenziwa ukukhiqiza i-2,5-dimethylfuran.

 

Ulwazi Lokuphepha:

- 2,5-I-Dimethylfuran iyacasula futhi i-narcotic, futhi ingase ibe nomthelela ocasulayo esikhumbeni, amehlo, kanye nesistimu yokuphefumula.

- Izinyathelo zokuphepha kufanele zithathwe ukuze uthole ukuchayeka, njengokugqoka amagilavu ​​okuzivikela afanelekile, izibuko, namamaski.

- Gwema ukuthintana nomlilo, naka umoya omncane lapho ugcina, futhi uqhelelane nama-oxidants.

- Uma usebenzisa noma uphatha i-2,5-dimethylfuran, landela izinqubo zokuphepha ezifanele futhi ugweme ukuhogela, ukukungenisa, noma ukuthinta.


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