2-氯苯甲酸
2-氯苯甲酸是一种有机化合物,化学式为ClC6H4COOH,是一种白色固体。它是三种氯苯甲酸同分异构体中酸性最强的。它可用作药物、染料、食品添加剂的前体。[4]
| 2-氯苯甲酸 | |
|---|---|
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| IUPAC名 2-chlorobenzoic acid | |
| 别名 | o-氯苯甲酸 邻氯苯甲酸 |
| 识别 | |
| CAS号 | 118-91-2 |
| PubChem | 8374 |
| ChemSpider | 8071 |
| SMILES |
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| InChI |
|
| InChIKey | IKCLCGXPQILATA-UHFFFAOYAI |
| ChEBI | 30793 |
| KEGG | C02357 |
| 性质 | |
| 化学式 | C7H5ClO2 |
| 摩尔质量 | 156.57 g·mol−1 |
| 外观 | 白色固体 |
| 熔点 | 142 °C(415 K) |
| 沸点 | 285 °C(558 K) |
| log P | 2.039 [1] |
| pKa | 2.89 [2] [3] |
| 磁化率 | -83.56·10−6 cm3/mol |
| 若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 | |
参考文献
- 1.2-Chlorobenzoic acid; C7H5ClO2; ChemSpider. Chemspider.com (2015). at
- Clayton, G. D. and F. E. Clayton (eds.). Patty's Industrial Hygiene and Toxicology: Volume 2A, 2B, 2C: Toxicology. 3rd ed. New York: John Wiley Sons, 1981-1982., p. 1838
- 2.2-Chlorobenzoic acid; C7H5ClO2 - PubChem. Pubchem.ncbi.nlm.nih.gov at
- Takao Maki, Kazuo Takeda "Benzoic Acid and Derivatives" in Ullmann's Encyclopedia of Industrial Chemistry 2002, Wiley-VCH, Weinheim. doi:10.1002/14356007.a03_555.
- H. T. Clarke and E. R. Taylor (1943). "o-Chlorobenzoic acid". Org. Synth.; Coll. Vol. 2: 135.
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