99-04-7 - Names and IdentifiersNamem-Toluic acidSynonymsm-Toluic acid3-TOLUIC ACIDM-TOLUIC ACID
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| Nom | m-Toluic acid |
| Synonymes | m-Toluic acid 3-TOLUIC ACID M-TOLUIC ACID 3-Toluic acid M-TOLUYLIC ACID m-toluylic acid 3-methylbenzoate m-Methylbenzoate RARECHEM AL BO 0048 3-METHYLBENZOIC ACID M-METHYLBENZOIC ACID m-methylbenzoic acid METHYLBENZOIC(M-) ACID beta-methylbenzoic acid beta-methylbenzoic acid |
| CAS | 99-04-7 |
| EINECS | 202-723-9 |
| InChI | InChI=1/C8H8O2/c1-6-3-2-4-7(5-6)8(9)10/h2-5H,1H3,(H,9,10)/p-1 |
| Inchikey | GPSDUZXPYCFOSQ-UHFFFAOYSA-N |
| Formule moléculaire | C8H8O2 |
| Masse molaire | 136.15 |
| Densité | 1.054 g/mL at 25 °C (lit.) |
| Point de fusion | 107-113 °C (lit.) |
| point Boling | 263 °C (lit.) |
| Point d'éclair | 150 °C |
| Solubilité dans l'eau | <0.1 g/100 mL at 19 ºC |
| Solubilité | Soluble in ethanol and ether, soluble in 60 parts of boiling water, soluble in 1170 parts of water at 15 ℃. |
| pression vapeur | 0.019Pa at 25℃ |
| Apparence | Pale yellow crystal |
| Couleur | Slightly yellow to beige-yellow |
| Merck | 14,9535 |
| BRN | 970526 |
| Le PKA | 4.27(at 25℃) |
| PH | 3.69(1 mM solution);3.15(10 mM solution);2.64(100 mM solution); |
| Condition de stockage | Conserver à moins de +30°C. |
| Stabilité | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Sensible | Facile à absorber l'humidité |
| Indice de réfraction | 1.509 |
| MDL | MFCD00002523 |
| Propriétés physiques et chimiques | Character white or yellow crystals. melting point 111~113 ℃ boiling point 263 ℃ relative density 1.054g/cm3 refractive index 1.509 solubility is almost insoluble in water, slightly soluble in boiling water, soluble in ethanol, ether. |
| Utilisation | Mainly used for the production of high-efficiency mosquito repellent, N,N-diethyl-m-toluamide, M-toluoyl chloride, M-toluonitrile, etc |
| Symboles de danger | XN - nocif |
| Codes de risque | 22 - nocif si avalé |
| Description de la sécurité | S22 - ne pas inhaler la poussière. S24 / 25 - Eviter le contact avec la peau et les yeux. S36 - porter des vêtements de protection appropriés. |
| Wgk Allemagne | 3 |
| Base de données sur la toxicité des substances chimiques | XU1200000 |
| TSCA | Oui |
| Code SH | 29163900 |
| Toxicité | LD50 orally in Rabbit: 7000 mg/kg |
Easy to sublimate. Low toxicity, half lethal dose (rat, oral)>3200mg/kg. Solubility in water: 1g/l (20°C)
| LogP | 2.37 |
| Application | mainly used for the production of high-efficiency mosquito repellent, N,N-diethyl-m-toluamide, M-toluoyl chloride, it can be used as an intermediate of drug toluene diethylamine. It is also used in the production of pesticides and other chemical products. It is used in organic synthesis intermediates, pesticide industry to prepare fungicide phosphoramide, and can also be used in spices and film. |
| Méthode de production | is derived from the catalytic oxidation of M-xylene. Using cobalt epoxide as catalyst, M-Xylene is oxidized by air at a temperature of 125-135 ℃ and a pressure of about 0.25MPa. Consumption of M-xylene 1700kg per ton of product. |
| autoignition temperature | 500°C |
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