isibhengezo_sekhasi

umkhiqizo

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

Isakhiwo Samakhemikhali:

I-Molecular Formula C6H5NO
I-Molar Mass 107.11
Ukuminyana 1.141 g/mL ku-20 °C (okhanyisiwe)
I-Melting Point 8°C
I-Boling Point 78-81 °C/10 mmHg (okhanyisiwe)
I-Flash Point 140°F
Ukuncibilika kwamanzi ingxubevange
I-Vapor Presure 0.3 hPa (20 °C)
Ukubukeka uketshezi (clean)
I-Gravity ethize 1.145 (20/4℃)
Umbala okucacile okunsundu-ophuzi
I-BRN 105343
pKa 3.43±0.10(Okubikezelwe)
PH 5.4 (111g/l, H2O, 20℃)
Isimo Sesitoreji 2-8°C
Kuyazwela Kuyazwela emoyeni
I-Refractive Index n20/D 1.549(lit.)
Izakhiwo Zomzimba Nezamakhemikhali Lo mkhiqizo uwuketshezi olungenambala, B. p.95 ~ 97 ℃/2kpa,n20D 1.5490, ukuminyana okuhlobene okungu-1.135.

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi U-R10 – Uyavutha
R37/38 – Ukucasula uhlelo lokuphefumula kanye nesikhumba.
R42/43 - Ingabangela ukuzwela ngokuhogela umoya nangokuthinta isikhumba.
R41 – Ingozi yokulimala okubi emehlweni
R34 – Ibangela ukusha
R43 - Ingabangela ukuzwela ngokuthinta isikhumba
I-R22 – Iyingozi uma igwinywe
R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S39 – Gqoka ukuvikela iso / ubuso.
S45 – Uma kwenzeka ingozi noma uzizwa ungaphilile, funa iseluleko sezokwelapha ngokushesha (bonisa ilebula noma nini lapho kunokwenzeka.)
S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela iso/ubuso.
S23 – Ungawuphefumuli umhwamuko.
Ama-ID e-UN UN 1989 3/PG 3
I-WGK Germany 3
I-RTECS QS2980000
AMAKHODI E-FLUKA BRAND F 8-10-23
I-TSCA Yebo
Ikhodi ye-HS 29333999
Inothi Lengozi Iyacasula/Gcina Ukubanda/Umoya Uzwela
I-Hazard Class 3.2
Iqembu Lokupakisha III
Ubuthi I-LD50 ngomlomo kuNogwaja: 2355 mg/kg

 

Isingeniso

3-Pyridine formaldehyde. Okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha lwe-3-pyridine formaldehyde:

 

Ikhwalithi:

- Ukubukeka: I-3-pyridine formaldehyde iwuketshezi olungenambala noma ikristalu emhlophe.

- Ukunyibilika: Kuncibilika kuzincibilikisi eziningi eziphilayo njenge-ethanol ne-chloroform.

 

Sebenzisa:

- Ukusetshenziswa kokwenziwa: I-3-pyridine formaldehyde ivame ukusetshenziswa njengenhlanganisela yokwenziwa, i-intermediate in organic synthesis kanye nempahla eluhlaza.

 

Indlela:

- I-3-Pyridine formaldehyde ingalungiswa nge-N-oxidation ye-pyridine. Indlela yokuhlanganisa evame ukusetshenziswa ukusabela i-pyridine nge-oxidizing ejenti efana ne-benzoyl peroxide noma i-hydrogen peroxide ukukhiqiza i-3-pyridine formaldehyde.

 

Ulwazi Lokuphepha:

- Lezi zinyathelo zokuphepha ezilandelayo kufanele zicatshangelwe lapho usebenzisa futhi ugcina i-3-pyridine formaldehyde:

- Gwema ukuthinta isikhumba futhi ugweme ukuhogela noma ukugwinya inhlanganisela.

- Gqoka amagilavu ​​amakhemikhali kanye nezingubo zamehlo ezivikelayo lapho usebenzisa.

- Sebenzisa endaweni engenawo umoya futhi ugweme umlilo noma amazinga okushisa aphezulu.

- Uma uyigcina, kufanele igcinwe ivalwe ngokuqinile, kude nemithombo yomlilo kanye nezinto ezivuthayo.

- Uma usebenzisa futhi uphatha i-3-pyridine formaldehyde, landela izinqubo ezifanele zokusebenza zokuphepha kanye nezinyathelo zokuzivikela komuntu siqu.


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