iphepha_ibhena

imveliso

I-3-Pyridinecarboxaldehyde(CAS#500-22-1)

Ipropati yeMichiza:

Ifomula yeemolekyuli C6H5NO
IMisa yeMolar 107.11
Ukuxinana 1.141 g/mL ku-20 °C (lit.)
Indawo yokunyibilika 8°C
Indawo yeBoling 78-81 °C/10 mmHg (lit.)
Indawo yokuflasha 140°F
Ukunyibilika kwamanzi ezahlukeneyo
Uxinzelelo loMphunga 0.3 hPa (20 °C)
Imbonakalo ulwelo (lucwengile)
Ubunzima obuthile 1.145 (20/4℃)
Umbala umbala omdaka-tyheli ocacileyo
I-BRN 105343
pKa 3.43±0.10(Kuqikelelwe)
PH 5.4 (111g/l, H2O, 20℃)
Imeko yoGcino 2-8°C
Inovakalelo Ubuthathaka bomoya
Refractive Index n20/D 1.549(lit.)
IiPropati zoMzimba kunye nezeMichiza Le mveliso ilulwelo olungenambala, B. p.95 ~ 97 ℃/2kpa,n20D 1.5490, ingxinano ye-1.135.

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iikhowudi zoMngcipheko I-R10-Inokutsha
I-R37/38 – Iyacaphukisa inkqubo yokuphefumla kunye nolusu.
I-R42/43 – Inokubangela uvakalelo ngokuphefumla kunye nokudibana nolusu.
I-R41 – Umngcipheko womonakalo omkhulu emehlweni
I-R34 – Ibangela ukutsha
I-R43 – Inokubangela uvakalelo ngokudibana nolusu
I-R22 – Iyingozi xa iginyiwe
R36/37/38 – Ukucaphuka kwamehlo, inkqubo yokuphefumla kunye nolusu.
Inkcazelo yoKhuseleko S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango.
S39 –Nxiba ukhuseleko lwamehlo / ubuso.
S45 - Kwimeko yengozi okanye ukuba uziva ungaphilanga, funa iingcebiso zonyango ngokukhawuleza (bonisa ileyibhile nanini na kunokwenzeka.)
S36/37/39 – Nxiba iimpahla ezifanelekileyo zokukhusela, iiglavu kunye nokukhusela amehlo/ubuso.
S23 – Musa ukuphefumla umphunga.
Izazisi ze-UN UN 1989 3/PG 3
WGK eJamani 3
RTECS QS2980000
FLUKA BRAND F IIKHOWUDI 8-10-23
I-TSCA Ewe
Ikhowudi ye-HS 29333999
Inqaku Lengozi Iyacaphukisa/Gcina Ukubanda/Umoya uSensitive
IKlasi yeeNgozi 3.2
Iqela lokuPakisha III
Ubutyhefu I-LD50 ngomlomo kuMvundla: 2355 mg / kg

 

Intshayelelo

3-Pyridine formaldehyde. Oku kulandelayo kukwazisa kwiipropati, ukusetyenziswa, iindlela zokulungiselela kunye nolwazi olukhuselekileyo lwe-3-pyridine formaldehyde:

 

Umgangatho:

- Imbonakalo: I-3-pyridine formaldehyde ilulwelo olungenambala okanye ikristale emhlophe.

- Ukunyibilika: Inyibilika kuninzi lwezinyibilikisi eziphilayo ezifana ne-ethanol kunye nekloroform.

 

Sebenzisa:

- Ukusetyenziswa kwe-Synthetic: I-3-pyridine formaldehyde isoloko isetyenziswa njenge-synthetic compound, i-intermediate in organic synthesis kunye ne-raw material.

 

Indlela:

- I-3-Pyridine formaldehyde inokulungiswa nge-N-oxidation ye-pyridine. Indlela yokudibanisa esetyenziswa ngokuqhelekileyo kukusabela kwi-pyridine kunye ne-oxidizing agent efana ne-benzoyl peroxide okanye i-hydrogen peroxide ukuvelisa i-3-pyridine formaldehyde.

 

Ulwazi ngoKhuseleko:

- La manyathelo okhuseleko alandelayo kufuneka athathelwe ingqalelo xa usebenzisa kwaye ugcina i-3-pyridine formaldehyde:

- Kuphephe ukudibana nolusu kwaye uphephe ukuphefumla okanye ukufunxa ikhompawundi.

-Nxiba iiglavu zekhemikhali kunye nempahla yamehlo ekhuselayo xa usebenzisa.

- Sebenzisa kwindawo engena umoya kwaye uphephe umlilo okanye amaqondo obushushu aphezulu.

- Xa ugcina, kufuneka ugcinwe ngokuqinileyo, kude nemithombo yomlilo kunye nezinto ezinokutsha.

- Xa usebenzisa kunye nokuphatha i-3-pyridine formaldehyde, landela iinkqubo ezifanelekileyo zokusebenza zokhuseleko kunye neendlela zokukhusela zomntu.


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