化学名称：托灭酸
CAS：13710-19-5
分子式：C14H12 ClO2
分子量：261.7
外观：白色或微黄色结晶性粉末
纯度：99.0〜101.0％
托灭酸 cas 13710-19-5
描述
托灭酸 产品详情
化学名称:托灭酸
CAS: 13710-19-5
分子式:C14H12ClNO2
分子量:261.7
化学结构式:
外观: 白色或微黄色结晶性粉末
含量: 99.0~101.0%
Tolfenamic acidTypical Properties
| Inspect Item项目 | Specification指标 | Results结果 |
| Appearance外观 | White or slightly yellow, crystalline powder白色或微黄色结晶性粉末 | Conforms符合 |
| Solubility溶解度 | Practically insoluble in water, soluble in dimethylformamide, sparingly soluble in ethanol and in methylene chloride几乎不溶于水，溶于二甲基甲酰胺，微溶于乙醇和二氯甲烷 | Conforms符合 |
| Identification
鉴别 |
A. Light absorption: the ratio of the absorbance measured at the maximum at 286nm to that maximum at 345nm should be 1.2 to 1.4 光吸收：在286nm处测得的最大吸光度与345nm处测得的吸光度之比应为1.2至1.4 | Conforms符合 |
| B. IR absorption spectrophotometry should be conformed红外吸收分光光度法应符合 | 1.2 | |
| C. TLC chromatography (245nm) should be conformed TLC色谱法（245nm）应符合 | Conforms符合 | |
| Melting point 熔点 | 210~214℃ | 212.1~212.6℃ |
| Related substances 相关物质 | Impurity A<0.1%;Impurity B<0.05% | Conforms符合 |
| Any other impurity<0.1% | Conforms符合 | |
| Total impurity<0.5% | Conforms符合 | |
| Copper铜 | Not more than 10ppm | Conforms符合 |
| Loss on drying 干燥失重 | Not more than 0.5% | 0.20% |
| Sulphated ash 硫酸盐灰 | Not more than 0.1% | <0.1% |
| Assay (basis on dry)含量 | 99.0~101.0% | 99.70% |
| Conclusion | The results conforms with EP6.0 standards | |
用途
用于合成非甾体消炎镇痛药
包装
25 kg/桶
