isibhengezo_sekhasi

umkhiqizo

3,4-Dimethylphenol(CAS#95-65-8)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C8H10O
I-Molar Mass 122.16
Ukuminyana 1,138 g/cm3
I-Melting Point 65-68°C
I-Boling Point 227°C(lit.)
I-Flash Point 61 °C
Inombolo ye-JECFA 708
Ukuncibilika kwamanzi INXLULEKA KANcane
Ukuncibilika I-Chloroform (Kancane), i-Ethyl Acetate (Kancane), i-Methanol (Kancane)
I-Vapor Presure 0.475-130Pa ku-25-66.2℃
Ukubukeka I-Crystalline Powder
Umbala Ukhilimu omhlophe ukuya kophaphathekile
Umkhawulo Wokuchayeka ACGIH: TWA 1 ppm
I-Merck 14,10082
I-BRN 1099267
pKa pK1:10.32 (25°C)
Isimo Sesitoreji Gcina ngaphansi kuka +30°C.
Umkhawulo Oqhumayo 1.4%(V)
I-Refractive Index 1.5442
Izakhiwo Zomzimba Nezamakhemikhali Umlingiswa: Ikristalu yenaliti emhlophe.
iphoyinti lokuncibilika 66~68 ℃
indawo yokubilisa 225 ℃
ukuminyana okuhlobene 0.9830
ukuncibilika kuncibilika kancane emanzini, kuncibilika ku-ethanol, ether.
Sebenzisa Ukulungiswa kwe-polyimide eguquliwe, izibulala-zinambuzane, odayi, njll

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi R24/25 -
R34 – Ibangela ukusha
R51/53 – Ukuba nobuthi ezintweni eziphila emanzini, kungabangela imiphumela emibi yesikhathi eside endaweni yasemanzini.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela iso/ubuso.
S45 – Uma kwenzeka ingozi noma uzizwa ungaphilile, funa iseluleko sezokwelapha ngokushesha (bonisa ilebula noma nini lapho kunokwenzeka.)
I-S61 - Gwema ukudedelwa endaweni. Bheka imiyalelo ekhethekile / amaphepha edatha okuphepha.
Ama-ID e-UN UN 2261 6.1/PG 2
I-WGK Germany 3
I-RTECS ZE6300000
I-TSCA Yebo
Ikhodi ye-HS 29071400
I-Hazard Class 6.1
Iqembu Lokupakisha II

 

Isingeniso

I-3,4-Xylenol, eyaziwa nangokuthi i-m-xylenol, iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha lwe-3,4-xylenol:

 

Ikhwalithi:

- I-3,4-Xylenol iwuketshezi olungenambala olunokunambitheka okukhethekile okunephunga elimnandi.

- Inempahla yokuncibilika emanzini kanye nezincibilikisi eziningi eziphilayo.

- Ibonakala njengesakhiwo se-dimer esiphambanayo ezingeni lokushisa legumbi.

 

Sebenzisa:

- Isetshenziswa njengesithako se-antibacterial kanye ne-antiseptic kuma-fungicides nama-preservatives.

- Isetshenziswa njenge-catalyst kokunye ukusabela kwamakhemikhali.

 

Indlela:

- I-3,4-Xylenol ingalungiswa ngokusabela kwe-condensation ye-phenol ne-formaldehyde ngaphansi kwezimo ze-acidic.

- Ekuphenduleni, i-phenol ne-formaldehyde zicutshungulwa yi-acidic catalyst ukukhiqiza i-3,4-xylenol.

 

Ulwazi Lokuphepha:

- I-3,4-Xylenol inobuthi obuphansi, kodwa kusabalulekile ukuyisebenzisa ngokuphepha.

- Izihwamuko noma izifutho zingacasula futhi zonakalisa emehlweni nasesikhumbeni.

- Lapho usebenza, sebenzisa izinto zokuzivikela ezifanele, njengamagilavu ​​amakhemikhali kanye nezibuko.

- Lapho ugcina futhi uphatha i-3,4-xylenol, kubalulekile ukuphatha kahle imfucuza ukuze ugweme ukungcoliswa kwemvelo.

 


  • Okwedlule:
  • Olandelayo:

  • Bhala umyalezo wakho lapha futhi usithumelele wona