iphepha_ibhena

imveliso

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

Ipropati yeMichiza:

Ifomula yeemolekyuli C8H8O
IMisa yeMolar 120.15
Ukuxinana 1.019 g/mL ku-25 °C (lit.)
Indawo yokunyibilika -6 °C
Indawo yeBoling 204-205 °C (ilayiti.)82-85 °C/11 mmHg (isibane.)
Indawo yokuflasha 176°F
Ukunyibilika kwamanzi 0.25 g/L (25 ºC)
Ukunyibilika amanzi: i-soluble0.25 g/L ku-25°C
Uxinzelelo loMphunga 0.33 hPa (25 °C)
Imbonakalo Ulwelo
Umbala Icacile engenambala ukuya kumthubi
I-BRN 385772
Imeko yoGcino Gcina ngaphantsi +30°C.
Inovakalelo Ubuthathaka bomoya
Umda wokuqhushumba 0.9-5.6%(V)
Refractive Index n20/D 1.545(lit.)
IiPropati zoMzimba kunye nezeMichiza Imbonakalo: ulwelo olungenambala okanye olutyheli olucacileyo olucacileyo
Sebenzisa Ngaba siphakathi esibalulekileyo kwi-organic synthesis, esetyenziswa kwi-synthesis yezinongo, iidayi ze-triphenylmethane

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iimpawu ezinobungozi Xn – Iyingozi
Iikhowudi zoMngcipheko I-R22 – Iyingozi xa iginyiwe
R36/37/38 – Ukucaphuka kwamehlo, inkqubo yokuphefumla kunye nolusu.
I-R36/38 – Iyacaphukisa amehlo kunye nolusu.
Inkcazelo yoKhuseleko S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango.
S36 – Nxiba iimpahla ezifanelekileyo ezikhuselayo.
I-S37/39 -Nxiba iiglavu ezifanelekileyo kunye nokukhusela amehlo / ubuso
Izazisi ze-UN NA 1993 / PGIII
WGK eJamani 1
RTECS CU7034500
FLUKA BRAND F IIKHOWUDI 9-23
I-TSCA Ewe
Ikhowudi ye-HS 29122900
Ubutyhefu I-LD50 ngomlomo kuMvundla: 1600 mg / kg

 

Intshayelelo

Methylbenzaldehyde. Oku kulandelayo kukwazisa kwiipropati, ukusetyenziswa, iindlela zokulungiselela kunye nolwazi lokhuseleko lwe-methylbenzaldehyde:

 

Umgangatho:

- Imbonakalo: I-Methylbenzaldehyde lulwelo olungenambala kunye nevumba elimnandi elinamandla.

- Ukunyibilika: Kunyibilika kwizinyibilikisi ezininzi ze-organic ezifana ne-alcohols kunye ne-ethers.

- I-Chemical reaction: I-Methylbenzaldehyde luhlobo lwe-aldehyde ene-aldehyde reaction reaction, efana nokuphendula nge-mercaptan ukwenza i-mercaptan formaldehyde.

 

Sebenzisa:

- Iziqholo: I-Methylbenzaldehyde, njengenye yezithako zeziqholo neziqholo, ineempawu eziqholiweyo ezizodwa kwaye ifanelekile kwiimveliso ezinjengeziqholo, iziqholo, iisepha, njl.

 

Indlela:

I-Methylbenzaldehyde inokulungiswa ngokuphendula kwe-benzaldehyde nge-methanol:

C6H5CHO + CH3OH → CH3C6H4CHO + H2O

 

Ulwazi ngoKhuseleko:

I-Methylbenzaldehyde inetyhefu ebantwini kwaye inokubangela ukucaphuka eluswini, emehlweni, nakwinkqubo yokuphefumla. Kufanele kuthatyathwe amanyathelo okhuseleko afanelekileyo xa uphatha, njengokunxiba iiglavu, iimaski, nezibuko.

- Lulwelo olunokutsha kwaye kufuneka lugcinwe kwisikhongozeli esingangeni moya, kude nomlilo kunye nemithombo yobushushu.

- Landela ngokungqongqo iinkqubo zokusebenza ezifanelekileyo zokhuseleko ngexesha lokusetyenziswa kunye nokugcinwa, kwaye uqinisekise izixhobo kunye nemilinganiselo yokuphendula kwiimeko eziphuthumayo.

- Ekulahlweni kwenkunkuma, kufuneka iphathwe ngokufanelekileyo kwaye ilahlwe ngokuhambelana nemimiselo yendawo ukuphepha ukungcoliseka kwendalo.


  • Ngaphambili:
  • Okulandelayo:

  • Bhala umyalezo wakho apha kwaye uwuthumele kuthi