P-methylbenzoic acid is white or light yellow crystalline powder, soluble in methanol, ether, difficult to dissolve in hot water, can volatilize with water vapor; Melting point 182℃. Boiling point 275℃ (sublimation).
Nature:
- Appearance: 4-methylbenzoic acid is white crystal.
- Solubility: soluble in alcohol, ether and ketone solvents, slightly soluble in water.
- Stability: Relatively stable, but may react when encountering strong oxidants and reducing agents.
1. P-methylbenzoic acid can be used for the determination of thorium, separation of calcium and strontium, mainly used in the manufacture of hemostatic aryl acid, p-methyl nitrile, p-toluenyl chloride, photosensitive materials, etc., used in organic synthesis intermediates, pesticide industry to produce fungicide phosphamide.
2. The oxidized phthalic acid can be used as an intermediate of medicine, photosensitive materials, pesticides and organic pigments. Mainly used in the manufacture of hemostatic aromatic acid, p-methyl nitrile, p-toluene formyl chloride, photosensitive materials, etc.
3.- Photosensitizer: can be used in photosensitive materials and photographic products.
Sinezimboni eziningi zekhwalithi ephezulu ngokubambisana okujulile, ezingakunikeza ngemikhiqizo yekhwalithi ephezulu namanani ancintisanayo. Futhi singanikeza izaphulelo zokuthenga ngobuningi.Futhi sibambisana nezinkampani eziningi ezichwepheshile zokudlulisa impahla, zingaletha imikhiqizo ngokuphepha nangokushelela ezandleni zakho. Isikhathi sokulethwa cishe yizinsuku ezi-3-20 ngemuva kokuqinisekiswa kwenkokhelo.
Molecular Formula | C8H8O2 |
Molar Mass | 136.15 |
Density | 1,06 g/cm3 |
I-Melting Point | 177-180 °C (lit.) |
Boling Point | 274-275 °C (lit.) |
Flash Point | 181°C |
Solubility | 0.3g/l |
Vapor Presure | 0.02 hPa (70 °C) |
Ukubukeka | White crystal |
Color | White to slightly yellow-cream |
Merck | 14,9535 |
I-BRN | 507600 |
pKa | 4.36(at 25℃) |
PH | 3.73(1 mM solution);3.2(10 mM solution);2.69(100 mM solution) |
Storage Condition | Store below +30°C. |
Ukuzinza | Stable. Incompatible with strong oxidizing agents, strong bases. |
Sensitive | Easily absorbing moisture |
Refractive Index | 1.5120 (estimate) |
MDL | MFCD00002565 |
Physical and Chemical Properties | Character white crystals. melting point 182 ℃ boiling point 275 ℃ solubility soluble in methanol, ethanol, ether, insoluble in hot water. |
Sebenzisa | Mainly used in the manufacture of hemostatic aromatic acid, methyl nitrile, methyl benzoyl chloride, photosensitive materials |
1. Ingabe uyimboni noma inkampani yokuhweba?
Siyimboni ehlanganisa i-comnay kanye nezohwebo, sinikeza isevisi eyodwa-stop.OEM ingamukelwa.
2. Uyawahlinzeka ngamasampula? Ingabe imahhala noma ingeziwe?
Amasampula wamahhala.Imali yesampula yempahla idinga ukukhokhwa eceleni kwakho.
3. Ingabe unazo izitifiketi ezihlobene nokulawulwa kwekhwalithi?
Isitifiketi se-ISO 9001:2008 sokuqinisekisa ikhwalithi.
4. Yini okufanele ngiyinikeze ukuze ngithole ikhotheshini?
I-Pls isazise ngohlobo lomkhiqizo oludingayo, inani le-oda, ikheli kanye nezidingo ezithile. Ikhotheshini izokwenzelwa inkomba yakho ngokuhamba kwesikhathi.
5. Hlobo luni lwendlela yokukhokha olukhethayo? Hlobo luni lwamagama olwamukelwayo?
Imigomo Eyamukelwe Yokulethwa: FOB,CFR,CIF,EXW;
Accepted Payment Currency:USD;EUR
Uhlobo Lwenkokhelo olwamukelwe: T/T,Western Union; I-Paypal, Isiqinisekiso Sokuhweba.
Ulimi olukhulunywayo:IsiNgisi.
Izigaba zemikhiqizo