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mankhwala

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

Chemical Property:

Molecular Formula C8H8O
Misa ya Molar 120.15
Kuchulukana 1.019 g/mL pa 25 °C (lat.)
Melting Point -6 ° C
Boling Point 204-205 °C (lit.)82-85 °C/11 mmHg (lit.)
Pophulikira 176°F
Kusungunuka kwamadzi 0.25 g/L (25 ºC)
Kusungunuka madzi: osungunuka 0.25 g/L pa 25°C
Kuthamanga kwa Vapor 0.33 hPa (25 °C)
Maonekedwe Madzi
Mtundu Zoyera zopanda mtundu mpaka zachikasu
Mtengo wa BRN 385772
Mkhalidwe Wosungira Sungani pansi +30 ° C.
Zomverera Zosamva mpweya
Zophulika Malire 0.9-5.6% (V)
Refractive Index n20/D 1.545(lit.)
Zakuthupi ndi Zamankhwala Maonekedwe: madzi opanda mtundu kapena opepuka achikasu owonekera
Gwiritsani ntchito Ndiwofunikira wapakatikati pakuphatikizika kwa organic, komwe kumagwiritsidwa ntchito popanga zonunkhira, utoto wa triphenylmethane.

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xn - Zowopsa
Zizindikiro Zowopsa R22 - Zowopsa ngati zitamezedwa
R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
R36/38 - Zokwiyitsa maso ndi khungu.
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S36 - Valani zovala zoyenera zodzitetezera.
S37/39 - Valani magolovesi oyenera komanso chitetezo chamaso / kumaso
Ma ID a UN NA 1993 / PGIII
WGK Germany 1
Mtengo wa RTECS CU7034500
FLUKA BRAND F CODES 9-23
TSCA Inde
HS kodi 29122900
Poizoni LD50 pakamwa pa Kalulu: 1600 mg/kg

 

Mawu Oyamba

Methylbenzaldehyde. Zotsatirazi ndizofotokozera za katundu, ntchito, njira zokonzekera ndi chidziwitso cha chitetezo cha methylbenzaldehyde:

 

Ubwino:

- Maonekedwe: Methylbenzaldehyde ndi madzi opanda mtundu okhala ndi fungo lamphamvu.

- Kusungunuka: Amasungunuka mu zosungunulira zambiri monga ma alcohols ndi ethers.

- Chemical reaction: Methylbenzaldehyde ndi mtundu wa aldehyde womwe umakhala ndi aldehyde reaction, monga kuchita ndi mercaptan kupanga mercaptan formaldehyde.

 

Gwiritsani ntchito:

- Mafuta onunkhira: Methylbenzaldehyde, monga chimodzi mwazinthu zopangira mafuta onunkhira ndi onunkhira, ali ndi mawonekedwe onunkhira apadera ndipo ndi oyenera pazinthu monga zonunkhiritsa, zokometsera, sopo, ndi zina zambiri.

 

Njira:

Methylbenzaldehyde ikhoza kukonzedwa ndi zomwe benzaldehyde ndi methanol:

C6H5CHO + CH3OH → CH3C6H4CHO + H2O

 

Zambiri Zachitetezo:

- Methylbenzaldehyde ndi poizoni kwa anthu ndipo angayambitse kuyabwa pakhungu, maso, ndi kupuma. Njira zodzitetezera ziyenera kuchitidwa pogwira, monga kuvala magolovesi, masks, ndi magalasi.

- Ndi madzi oyaka moto ndipo amayenera kusungidwa mu chidebe chotchinga mpweya, kutali ndi moto ndi magwero a kutentha.

- Tsatirani mosamalitsa njira zoyendetsera chitetezo panthawi yomwe mukugwiritsa ntchito ndikusunga, ndikuwonetsetsa kuti zida ndi njira zothanirana ndi ngozi.

- Potaya zinyalala, ziyenera kusamalidwa bwino ndikutayidwa motsatira malamulo amderalo kuti zipewe kuwononga chilengedwe.


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