isibhengezo_sekhasi

umkhiqizo

I-3-5-DimethylbenzoicAcid (CAS#499-06-9)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C9H10O2
I-Molar Mass 150.17
Ukuminyana 1.0937 (isilinganiso)
I-Melting Point 169-171 °C (okhanyisiwe)
I-Boling Point 271.51°C (isilinganiso)
I-Flash Point 128.2°C
Ukuncibilika kwamanzi Incibilika ku-methanol. (1 g/10 mL). Incibilika kancane emanzini.
I-Vapor Presure 0.00211mmHg ku-25°C
Ukubukeka Ikristalu elimhlophe
Umbala Okumhlophe kuya kokuphuzi ngokukhanyayo
I-BRN 1072182
pKa 4.32(ku-25℃)
Isimo Sesitoreji Kuvalwe endaweni eyomile, Ngezinga lokushisa Legumbi
I-Refractive Index 1.5188 (isilinganiso)
I-MDL I-MFCD00002525
Izakhiwo Zomzimba Nezamakhemikhali Iphoyinti lokuncibilika 169-172°C
Sebenzisa Okokuhlangana kwe-organic kanye nesibulala-zinambuzane, i-pharmaceutical intermediates

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi Xi - Irritant
Amakhodi Engozi 36/37/38 - Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S36 – Gqoka izingubo ezifanele zokuzivikela.
I-WGK Germany 3
I-RTECS DG8734030
I-TSCA Yebo
Ikhodi ye-HS 29163900
Inothi Lengozi Iyacasula

 

Isingeniso

3,5-Dimethylbenzoic acid. Okulandelayo yisingeniso sobunjalo bayo, ukusetshenziswa, indlela yokulungiselela kanye nolwazi lokuphepha:

 

Ikhwalithi:

- Ukubukeka: Okuqinile kwekristalu engenambala;

- Incibilika kancane emanzini futhi inyibilika kakhudlwana kuzincibilikisi zemvelo ezifana nama-ether notshwala;

- Inephunga elimnandi.

 

Sebenzisa:

- I-3,5-Dimethylbenzoic acid iyingxenye ebalulekile ye-organic synthesis futhi ivame ukusetshenziselwa ukuhlanganiswa kwamanye ama-organic compounds;

- Ingasetshenziswa njengento eluhlaza yama-polyester resins kanye nezingubo, amapulasitiki kanye nezithasiselo zenjoloba;

 

Indlela:

- Indlela yokulungiselela i-3,5-dimethylbenzoic acid ingatholakala ngokusabela kwe-benzaldehyde nge-dimethyl sulfide;

- Ukusabela kuvame ukwenziwa ngaphansi kwezimo ezine-asidi, futhi ama-catalysts ane-acidic njenge-hydrochloric acid angasetshenziswa;

- Ngemuva kokusabela, umkhiqizo ohlanzekile utholakala nge-crystallization noma ngokukhipha.

 

Ulwazi Lokuphepha:

- Inhlanganisela idinga ukusetshenziswa ngokuhambisana nemithetho efanele yaselabhorethri;

- Kungase kubangele ukucasuka emehlweni, isikhumba, kanye nesimiso sokuphefumula;

- Gqoka izinto zokuzivikela, njengamagilavu ​​zelabhu nezibuko, futhi uqinisekise kungena komoya omuhle lapho usetshenziswa;

- Gwema ukuthintana nama-oxidizing agents aqinile nama-acids aqinile;

- Gcina okomile, kuvalwe ngokuqinile, futhi ugweme ukuthintana nomoya, umswakama kanye nomlilo.

Uma usebenzisa i-3,5-dimethylbenzoic acid nanoma yimaphi amanye amakhemikhali, kubalulekile ukulandela ukuphathwa kahle kwamakhemikhali kanye nemikhuba ephephile.


  • Okwedlule:
  • Olandelayo:

  • Bhala umyalezo wakho lapha futhi usithumelele wona