isibhengezo_sekhasi

umkhiqizo

I-Furfuryl alcohol(CAS#98-00-0)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C5H6O2
I-Molar Mass 98.1
Ukuminyana 1.135 g/mL ku-25 °C (okhanyisiwe)
I-Melting Point -29 °C (ukukhanya)
I-Boling Point 170 °C (okhanyisiwe)
I-Flash Point 149°F
Inombolo ye-JECFA 451
Ukuncibilika kwamanzi MISCIBLE
Ukuncibilika utshwala: obuncibilikayo
I-Vapor Presure 0.5 mm Hg ( 20 °C)
I-Vapor Density 3.4 (vs air)
Ukubukeka Uketshezi
Umbala Okuphuzi okucacile
Iphunga Ukucasula kancane.
Umkhawulo Wokuchayeka I-NIOSH REL: TWA 10 ppm (40 mg/m3), STEL 15 ppm (60 mg/m3), IDLH 75ppm; I-OSHA PEL: TWA 50 ppm; I-ACGIH TLV: TWA 10 ppm, STEL 15 ppm (yamukelwa).
I-Merck 14,4305
I-BRN 106291
pKa 14.02±0.10(Okubikezelwe)
PH 6 (300g/l, H2O, 20℃)
Isimo Sesitoreji Gcina ngaphansi kuka +30°C.
Umkhawulo Oqhumayo 1.8-16.3%(V)
I-Refractive Index n20/D 1.486(lit.)
Izakhiwo Zomzimba Nezamakhemikhali Character: uketshezi olungenambala, olugelezayo oluphenduka lube nsundu noma lube bomvu ngokujulile lapho luchayeke elangeni noma emoyeni. Ukunambitheka okubabayo.
iphoyinti lokubilisa 171 ℃
indawo yokubanda -29 ℃
ukuminyana kwesihlobo 1.1296
inkomba ye-refractive 1.4868
iphoyinti elikhanyayo 75 ℃
Ukuncibilika kuhlangana namanzi, kodwa akuzinzile emanzini, kuncibilika ku-ethanol, ether, benzene ne-chloroform, okungancibiliki ku-petroleum hydrocarbons.
Sebenzisa Isetshenziswa njengempahla eluhlaza yokwakhiwa kwe-resin ehlukahlukene yohlobo lwe-furan, i-anti-corrosion coatings, nayo iyi-solvent enhle.

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi R20/21/22 – Kuyingozi ngokuhogela umoya, ukuthintana nesikhumba futhi uma ukugwinyile.
R48/20 -
R40 – Ubufakazi obuncane bomphumela we-carcinogenic
R36/37 – Ukucasula amehlo kanye nesistimu yokuphefumula.
R23 – Ubuthi ngokuhogela
R21/22 – Kuyingozi ukuthinta isikhumba futhi uma ugwinyiwe.
Incazelo Yokuphepha S23 – Ungawuphefumuli umhwamuko.
S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela iso/ubuso.
I-S63 -
S45 – Uma kwenzeka ingozi noma uzizwa ungaphilile, funa iseluleko sezokwelapha ngokushesha (bonisa ilebula noma nini lapho kunokwenzeka.)
I-S36/37 – Gqoka izingubo zokuzivikela ezifanele namagilavu.
I-S24/25 - Gwema ukuthintana nesikhumba namehlo.
Ama-ID e-UN UN 2874 6.1/PG 3
I-WGK Germany 1
I-RTECS I-LU9100000
AMAKHODI E-FLUKA BRAND F 8
I-TSCA Yebo
Ikhodi ye-HS 2932 13 00
I-Hazard Class 6.1
Iqembu Lokupakisha III
Ubuthi I-LC50 (4 hr) kumagundane: 233 ppm (Jacobson)

 

Isingeniso

I-Furfuryl utshwala. Okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha lwe-furfuryl alcohol:

 

Ikhwalithi:

I-Furfuryl alcohol iwuketshezi olungenambala, olunephunga elimnandi olunokuntengantenga okuphansi.

I-Furfuryl alcohol iyancibilika emanzini futhi iphinde ixubane nezinyibilikisi eziningi eziphilayo.

 

Sebenzisa:

 

Indlela:

Njengamanje, i-furfuryl alcohol ilungiswa ngokuyinhloko yi-chemical synthesis. Enye yezindlela ezivame ukusetshenziswa ukusebenzisa i-hydrogen ne-furfural ye-hydrogenation lapho kukhona i-catalyst.

 

Ulwazi Lokuphepha:

I-Furfuryl alcohol ibhekwa njengephephile ngaphansi kwezimo ezijwayelekile zokusetshenziswa, kodwa ingase ibangele ukungezwani komzimba kwabanye abantu.

Gwema ukuthintana ne-furfuryl alcohol emehlweni, isikhumba, nolwelwesi lwamafinyila, futhi ugeze ngamanzi amaningi uma kuthintwa.

I-Furfuryl alcohol idinga ukunakekelwa okwengeziwe ezandleni zezingane ukuvimbela ukungenwa ngephutha noma ukuthinta.

 


  • Okwedlule:
  • Olandelayo:

  • Bhala umyalezo wakho lapha futhi usithumelele wona