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mankhwala

3-Methoxysalicylaldehyde(CAS#148-53-8)

Chemical Property:

Molecular Formula C8H8O3
Misa ya Molar 152.15
Kuchulukana 1.2143 (kuyerekeza movutikira)
Melting Point 40-42 °C (kuyatsa)
Boling Point 265-266 °C (kuyatsa)
Pophulikira >230°F
Kusungunuka kwamadzi pang'ono sungunuka
Kusungunuka Zosungunuka pang'ono m'madzi.
Kuthamanga kwa Vapor 0.00556mmHg pa 25°C
Maonekedwe Yellow kristalo
Mtundu Wotumbululuka wachikasu mpaka bulauni
Mtengo wa BRN 471913
pKa pK1:7.912 (25°C)
Mkhalidwe Wosungira Sungani pansi +30 ° C.
Kukhazikika Hygroscopic
Zomverera Zosamva mpweya
Refractive Index 1.4945 (chiyerekezo)
MDL Mtengo wa MFCD00003322
Gwiritsani ntchito Ntchito ngati intermediates mankhwala, ndi zofunika poyambira zinthu kaphatikizidwe zosiyanasiyana zopangira ndi zonunkhira.

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa R22 - Zowopsa ngati zitamezedwa
R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
Kufotokozera Zachitetezo S23 - Osapuma mpweya.
S36 - Valani zovala zoyenera zodzitetezera.
S24/25 - Pewani kukhudzana ndi khungu ndi maso.
S36/37/39 - Valani zovala zodzitchinjiriza zoyenera, magolovesi ndi chitetezo chamaso / kumaso.
S27 - Chotsani nthawi yomweyo zovala zonse zowonongeka.
S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
WGK Germany 3
Mtengo wa RTECS CU6530000
FLUKA BRAND F CODES 10-23
TSCA Inde
HS kodi 29124900

 

Mawu Oyamba

2-Hydroxy-3-methoxybenzaldehyde ndi organic compound. Zotsatirazi ndizofotokozera za chikhalidwe chake, kugwiritsa ntchito, kukonzekera ndi chitetezo:

 

Ubwino:

Maonekedwe: 2-hydroxy-3-methoxybenzaldehyde ndi woyera crystalline olimba.

Kusungunuka: kusungunuka mu ethanol, methylene chloride ndi ethyl acetate, osasungunuka m'madzi.

 

Gwiritsani ntchito:

Zowonjezera zakumwa: Zitha kugwiritsidwanso ntchito ngati chowonjezera pazakumwa.

 

Njira:

2-Hydroxy-3-methoxybenzaldehyde ikhoza kupezedwa pochita p-methoxybenzaldehyde ndi sodium hydroxide kuti apange zotumphukira za phenolicenol, zomwe zimawonjezera hydrogenated ndi catalysis ya asidi.

 

Zambiri Zachitetezo:

Poizoni: 2-hydroxy-3-methoxybenzaldehyde ili ndi kawopsedwe kakang'ono kwa anthu ndi chilengedwe.

Chitetezo chaumwini: Magolovesi odzitetezera oyenerera, magalasi odzitchinjiriza ndi zovala zodzitchinjiriza ziyenera kuvalidwa pogwira ntchito.

Kusungirako: Iyenera kusungidwa pamalo owuma, ozizira, kutali ndi moto ndi oxidant.

Kutaya zinyalala: Zinyalala ziyenera kutayidwa motsatira malamulo a m’deralo komanso kupewa kutayidwa m’malo okhala.

 


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