Introduction and application of CAS:99-94-5 | p-Toluic acid
Para-toluic acid is a white or light yellow crystalline powder, easily soluble in methanol and ether, insoluble in hot water, and can evaporate with water vapor; it can be oxidized to obtain phthalic acid, which can be used as medicine, photosensitive materials, pesticides, and organic pigments. intermediate. Mainly used in the manufacture of hemostatic aromatic acid, p-carbonitrile, p-toluoyl chloride, photosensitive materials, etc.
Quality Index of CAS:99-94-5 | p-Toluic acid
| Items | Index |
| Appearance | White or light yellow crystalline powder |
| Content ( Liquid chromatography) | ≥99.00% |
| Water content | ≤0.2 |
| Helting point | 178-180 |
| Acid content | 409-412 |
| Boiling point | 274-275 |
Specification of CAS: 99-94-5 | p-Toluic acid
CAS number: 99-94-5
Molecular formula: C8H8O2
Molecular weight: 136.15
Melting point: 177-180°C(lit.)
Boiling point: 274-275°C(lit.)
Density: 1,06g/cm3
Vapor pressure: 0.02hPa (70°C)
Refractive index: 1.5120(estiChemicalbookmate)
Flash point: 181°C
Storage conditions: Storebelow+30°C.
Solubility: 0.3g/l
Form: powder
Acidity coefficient: (pKa)4.36 (at25℃)
Color: white to light yellow milky
Package and transportation of CAS: 99-94-5 | p-Toluic acid
Package:25kg/100kg
Transportation: by courier/ by air/ by sea
Related articles of CAS: 99-94-5 | p-Toluic acid
The structure of p-toluic acid
MG Takwale, LM Pant - Acta Crystallographica Section B: Structural …, 1971 - scripts.iucr.org
… In p-toluic acid, the molecules in any chain are bonded with neighbouring molecules by
double OH...O hydrogen bonds of length 2-63 A on one side and by van der Waals bonds …
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