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samfur

4-Formylbenzoic acid (CAS#619-66-9)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C8H6O3
Molar Mass 150.13
Yawan yawa 1.2645 (ƙananan ƙididdiga)
Matsayin narkewa 247°C (lit.)
Matsayin Boling 231.65°C (m kiyasin)
Wurin Flash 169.2°C
Ruwan Solubility Mai narkewa cikin ruwa, methanol, DMSO, ether, da chloroform.
Solubility Mai narkewa cikin ruwa, methanol, DMSO, ether, da chloroform.
Tashin Turi 5.72E-05mmHg a 25°C
Bayyanar Crystalline foda
Launi Yellow
Matsakaicin zango (λmax) ['298nm(Hexane)(lit.)']
BRN 471734
pKa 3.77 (a 25 ℃)
PH 3.5 (1g/l, H2O, 20℃)
Yanayin Ajiya Adana a ƙasa + 30 ° C.
M Hankalin iska
Fihirisar Refractive 1.4500 (kimanta)
MDL Saukewa: MFCD00006951
Amfani Ana amfani da shi azaman tsaka-tsakin magani, magungunan kashe qwari da wariyar launin fata

Cikakken Bayani

Tags samfurin

Alamomin haɗari Xi - Haushi
Lambobin haɗari R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata.
R33 - Haɗarin tasirin tarawa
Bayanin Tsaro S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S36 - Sanya tufafin kariya masu dacewa.
S24/25 - Guji hulɗa da fata da idanu.
WGK Jamus 3
RTECS Farashin 0440000
Farashin TSCA Ee
HS Code Farashin 29183000
Bayanin Hazard Haushi

 

Gabatarwa

Yawancin lokaci ana amfani dashi azaman reagent yayin esterification na 2,2,6,6-tetramethyl-4-oxopiperidinyl-1-oxyl don samar da 4-hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl 4-formylbenzoate.


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