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p-Toluic acid CAS 99-94-5

p-Toluic acid CAS 99-94-5

 

  • Ingoa hua:

    p-Toluic acid CAS 99-94-5

  • Kōeke:

    Pharmaceutical grade

  • Āhuatanga:

    paura ma

  • Tapeke:

    25kg/pahū

  • MOQ:

    1 kilo

  • Rokiroki:Wahi maroke Matao
  • ora papa:2 tau


Nga korero

Tohu

Whakaahuatanga Hua

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.

Taupānga

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.

 

Nga painga

He maha nga wheketere kounga teitei me te mahi tahi, ka taea e koe te whakarato i nga hua o te kounga teitei me nga utu whakataetae. Ka taea hoki e matou te tuku utu mo nga hokonga nui.A ka mahi tahi matou me te maha o nga kamupene kawe utanga ngaio, ka taea te tuku hua ma te humarie me te pai ki o ringaringa. Ko te wa tuku mo nga ra 3-20 i muri i te whakapumautanga o te utu.

 

Whakatakotoranga
Molecular Formula C8H8O2
Molar Mass 136.15
Density 1,06 g/cm3
Iwi Whakarewa 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)
Te ahua White crystal
Color White to slightly yellow-cream
Merck 14,9535
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.
Te pumau 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.
Whakamahi Mainly used in the manufacture of hemostatic aromatic acid, methyl nitrile, methyl benzoyl chloride, photosensitive materials

 

Te tuku me te utu

 

FAQ

1. He wheketere koe, he kamupene hokohoko ranei?
He kamupene matou e whakauru ana i te ahumahi me te hokohoko, e whakarato ana i te ratonga kotahi-mutu. Ka taea e OEM te whakaae.

2. Kei te whakarato koe i nga tauira? He kore utu, he taapiri ranei?
Ko nga tauira kore utu.Ko te utu utauta a te tauira me utu e to taha.

3. Kei a koe etahi tiwhikete e pa ana ki te mana kounga?
ISO 9001: Tiwhikete 2008 hei whakarite i te kounga.

4. He aha te mea me whakarato e au ki te tiki korero?
Pls whakamohio mai ki a matou mo te momo hua e hiahiatia ana e koe, te rahinga ota, te wahitau me nga whakaritenga motuhake.Ka mahia te korero mo to tohutoro i te waa.

5. He aha te ahua o te tikanga utu e pai ana koe? He aha nga momo tikanga e whakaaetia ana?
Nga Tikanga Tukunga Whakaaetia: FOB,CFR,CIF,EXW;
Accepted Payment Currency:USD;EUR
Momo Utu Whakaae: T / T, Western Union; Paypal, Tauhokohoko Tauhokohoko.
Te Reo Korero:Maori.

 

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