isibhengezo_sekhasi

umkhiqizo

i-p-Tolualdehyde(CAS#104-87-0)

Isakhiwo Samakhemikhali:

I-Molecular Formula C8H8O
I-Molar Mass 120.15
Ukuminyana 1.019 g/mL ku-25 °C (okhanyisiwe)
I-Melting Point -6 °C
I-Boling Point 204-205 °C (lit.)82-85 °C/11 mmHg (lit.)
I-Flash Point 176°F
Ukuncibilika kwamanzi 0.25 g/L (25 ºC)
Ukuncibilika amanzi: ancibilikayo0.25 g/L ku-25°C
I-Vapor Presure 0.33 hPa (25 °C)
Ukubukeka Uketshezi
Umbala Kucace kungenambala ukuya kokuphuzi
I-BRN 385772
Isimo Sesitoreji Gcina ngaphansi kuka +30°C.
Kuyazwela Kuyazwela emoyeni
Umkhawulo Oqhumayo 0.9-5.6%(V)
I-Refractive Index n20/D 1.545(lit.)
Izakhiwo Zomzimba Nezamakhemikhali Ukubukeka: uketshezi olusobala olungenambala noma oluphuzi olukhanyayo
Sebenzisa Iyingxenye ebalulekile ye-organic synthesis, esetshenziswa ekuhlanganiseni izinongo, odayi be-triphenylmethane

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi I-Xn - Iyingozi
Amakhodi Engozi I-R22 – Iyingozi uma igwinywe
R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
R36/38 – Ukucasuka emehlweni nasesikhumbeni.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S36 – Gqoka izingubo ezifanele zokuzivikela.
I-S37/39 – Gqoka amagilavu ​​afanelekile kanye nokuvikela iso/ubuso
Ama-ID e-UN NA 1993 / PGIII
I-WGK Germany 1
I-RTECS CU7034500
AMAKHODI E-FLUKA BRAND F 9-23
I-TSCA Yebo
Ikhodi ye-HS 29122900
Ubuthi I-LD50 ngomlomo kuNogwaja: 1600 mg/kg

 

Isingeniso

I-Methylbenzaldehyde. Okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungisa kanye nolwazi lokuphepha lwe-methylbenzaldehyde:

 

Ikhwalithi:

- Ukubukeka: I-Methylbenzaldehyde iwuketshezi olungenambala olunephunga elimnandi elinamandla.

- Ukunyibilika: Kuncibilika kuzincibilikisi eziningi eziphilayo njengotshwala nama-ether.

- Ukusabela kwamakhemikhali: I-Methylbenzaldehyde iwuhlobo lwe-aldehyde olunokusabela kwe-aldehyde okuvamile, njengokusabela nge-mercaptan ukwenza i-mercaptan formaldehyde.

 

Sebenzisa:

- Amakha: I-Methylbenzaldehyde, njengesinye sezithako zamakha namakha, inezinto ezihlukile zokunephunga elimnandi futhi ifanele imikhiqizo efana namakha, ama-flavour, insipho, njll.

 

Indlela:

I-Methylbenzaldehyde ingalungiswa ngokusabela kwe-benzaldehyde nge-methanol:

C6H5CHO + CH3OH → CH3C6H4CHO + H2O

 

Ulwazi Lokuphepha:

- I-Methylbenzaldehyde inobuthi kubantu futhi ingabangela ukucasuka esikhumbeni, emehlweni, kanye nesistimu yokuphefumula. Kufanele kuthathwe izinyathelo zokuqapha ezifanele lapho uphatha, njengokugqoka amagilavu, izifihla-buso, nezibuko.

- Iwuketshezi oluvuthayo futhi kufanele igcinwe esitsheni esingangeni moya, kude nomlilo nemithombo yokushisa.

- Landela ngokuqinile izinqubo zokusebenza zokuphepha ezifanele ngesikhathi sokusetshenziswa nokugcinwa, futhi uqinisekise izinto zokusebenza nezinyathelo zokubhekana nezimo eziphuthumayo.

- Lapho kulahlwa imfucuza, kufanele iphathwe kahle futhi ilahlwe ngokuhambisana nemithetho yendawo ukuze kugwenywe ukungcoliswa kwemvelo.


  • Okwedlule:
  • Olandelayo:

  • Bhala umyalezo wakho lapha futhi usithumelele wona