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chigadzirwa

4-Ethyl Benzoic acid (CAS#619-64-7)

Chemical Property:

Molecular Formula C9H10O2
Molar Misa 150.17
Density 1.0937 (kufungidzira)
Melting Point 112-113°C(lit.)
Boling Point 271.51°C (kufungidzira)
Flash Point 125.1°C
Solubility Chloroform (Zvishoma), Methanol (Zvishoma)
Vapor Presure 0.00338mmHg pa25°C
Chitarisiko White crystal
Color Muchena kune beige
BRN 2041840
pKa pK1:4.35 (25°C)
Storage Condition Yakavharwa pakaoma, Room Temperature
Refractive Index 1.5188 (kufungidzira)
MDL MFCD00002570
Zvenyama uye Chemical Properties Ichi chigadzirwa icrystal chena, mp112 ~ 113 ℃, isinganyunguriki mumvura, inonyungudika mubenzene, toluene.
Shandisa Inoshandiswa semvura yekristaro raw materials uye yepakati, inoshandiswawo mukugadzira mishonga yezvipembenene

Product Detail

Product Tags

Risk Codes R22 – Zvinokuvadza kana ikamedzwa
R36/37 - Inotsamwisa maziso uye kufema system.
Tsanangudzo Yekuchengetedza S22 - Usafeme guruva.
S24/25 - Dzivisa kusangana neganda nemeso.
S37/39 - Pfeka magirovhosi akakodzera uye dziviriro yeziso / kumeso
S26 – Kana wasangana nemaziso, sukurudza nekukurumidza nemvura yakawanda uye tsvaga mazano ekurapwa.
WGK Germany 3
HS Code 29163900
Hazard Note Irritant

 

Nhanganyaya

P-ethylbenzoic acid: Imvura isina ruvara kana yero uye ine hwema hunonhuhwirira. P-ethylbenzoic acid inonyungudika mudoro uye ether uye isinganyunguriki mumvura.

 

Kushandiswa kwep-ethylbenzoic acid: Ethylbenzoic acid inogona zvakare kushandiswa mukugadzira mabhanhire, ingi, uye dhayi.

 

Kugadzirira nzira yep-ethylbenzoic acid:

Kugadzirira kwep-ethylbenzoic acid kunowanzoitwa ne catalytic oxidation ye ethylbenzene ine oxygen. Transition metal oxides, senge molybdate catalysts, anowanzo shandiswa kugadzira. Kuita kunoitika patembiricha chaiyo uye kumanikidzwa kugadzira p-ethylbenzoic acid.

 

Ruzivo rwekuchengetedza ethylbenzoic acid:

Ethylbenzoic acid ine mhedzisiro inogumbura pameso uye paganda, uye inofanirwa kugezwa nemvura yakawanda munguva yekusangana. Midziyo yekuzvidzivirira yakafanira semagirazi ekuchengetedza uye magirovhosi inofanira kupfekwa panguva yekushanda. Ethylbenzoic acid inofanira kuchengetwa mumudziyo usina mhepo, kure nekupisa uye oxidants. Kana zvichidikanwa, inofanira kushandiswa munzvimbo ine mhepo yakanaka.


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