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.
ከፍተኛ ጥራት ያላቸውን ምርቶች እና ተወዳዳሪ ዋጋዎችን ሊያቀርብልዎ የሚችል ጥልቅ ትብብር ያለው ብዙ ከፍተኛ ጥራት ያላቸው ፋብሪካዎች አሉን። እና ለጅምላ ግዢ ቅናሾችን ልንሰጥ እንችላለን።እናም ከብዙ ፕሮፌሽናል ጭነት አስተላላፊ ኩባንያዎች ጋር እንተባበራለን፣ምርቶቹን በእጆችዎ ላይ ደህንነቱ በተጠበቀ ሁኔታ እናደርሳለን። የማስረከቢያ ጊዜ ክፍያው ከተረጋገጠ ከ3-20 ቀናት አካባቢ ነው።
Molecular Formula | C8H8O2 |
Molar Mass | 136.15 |
Density | 1,06 g/cm3 |
መቅለጥ ነጥብ | 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) |
መልክ | 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. |
መረጋጋት | 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. |
ተጠቀም | Mainly used in the manufacture of hemostatic aromatic acid, methyl nitrile, methyl benzoyl chloride, photosensitive materials |
1. ፋብሪካ ነህ ወይስ የንግድ ድርጅት?
እኛ ኢንዱስትሪን እና ንግድን የሚያዋህድ ኩባንያ ነን ፣አንድ ማቆሚያ አገልግሎት እየሰጠን ።OEM ተቀባይነት ሊኖረው ይችላል።
2. ናሙናዎችን ይሰጣሉ? ነፃ ነው ወይስ ተጨማሪ?
ነፃ ናሙናዎች፡ የናሙናውን የጭነት ክፍያ ከጎንዎ መከፈል አለበት።
3. ከጥራት ቁጥጥር ጋር የተያያዙ የምስክር ወረቀቶች አሎት?
ጥራትን ለማረጋገጥ ISO 9001: 2008 የምስክር ወረቀት.
4. ጥቅስ ለማግኘት ምን ማቅረብ አለብኝ?
Pls የሚፈልጉትን የምርት አይነት ፣የትእዛዝ ብዛት ፣አድራሻ እና የተወሰኑ መስፈርቶችን ያሳውቁን ።የዋጋ ጥቅሱ በጊዜ ውስጥ ለእርስዎ ማጣቀሻ ይደረጋል።
5. ምን ዓይነት የመክፈያ ዘዴ ይመርጣሉ? ምን ዓይነት ውሎች ተቀባይነት አላቸው?
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