百里香酚酞结构式
|
常用名 | 百里香酚酞 | 英文名 | Thymolphthalein |
|---|---|---|---|---|
| CAS号 | 125-20-2 | 分子量 | 430.535 | |
| 密度 | 1.2±0.1 g/cm3 | 沸点 | 571.6±50.0 °C at 760 mmHg | |
| 分子式 | C28H30O4 | 熔点 | 251-253 °C(lit.) | |
| MSDS | 中文版 美版 | 闪点 | 187.5±23.6 °C |
百里香酚酞用途用作酸碱指示剂 |
| 中文名 | 百里酚酞 |
|---|---|
| 英文名 | Thymolphthalein |
| 中文别名 | 麝香草酚麸 | 5',5''-二异丙基-2',2''-二甲基酚酞 | 麝香草酚酞 | 百里香酚酞 |
| 英文别名 | 更多 |
| 密度 | 1.2±0.1 g/cm3 |
|---|---|
| 沸点 | 571.6±50.0 °C at 760 mmHg |
| 熔点 | 251-253 °C(lit.) |
| 分子式 | C28H30O4 |
| 分子量 | 430.535 |
| 闪点 | 187.5±23.6 °C |
| 精确质量 | 430.214417 |
| PSA | 66.76000 |
| LogP | 6.23 |
| InChIKey | LDKDGDIWEUUXSH-UHFFFAOYSA-N |
| SMILES | Cc1cc(O)c(C(C)C)cc1C1(c2cc(C(C)C)c(O)cc2C)OC(=O)c2ccccc21 |
| 外观性状 | 白色结晶粉末 |
| 蒸汽压 | 0.0±1.6 mmHg at 25°C |
| 折射率 | 1.613 |
| 储存条件 | 贮存:密封保存。 |
| 稳定性 | 基本性质:遇酸碱变色 |
| 水溶解性 | insoluble |
| 分子结构 | 1、 摩尔折射率:126.12 2、 摩尔体积(cm3/mol):362.4 3、 等张比容(90.2K):961.6 4、 表面张力(dyne/cm):49.5 5、 极化率(10-24cm3):50.00 |
| 计算化学 | 1.疏水参数计算参考值(XlogP):6.8 2.氢键供体数量:2 3.氢键受体数量:4 4.可旋转化学键数量:4 5.互变异构体数量:45 6.拓扑分子极性表面积66.8 7.重原子数量:32 8.表面电荷:0 9.复杂度:636 10.同位素原子数量:0 11.确定原子立构中心数量:0 12.不确定原子立构中心数量:0 13.确定化学键立构中心数量:0 14.不确定化学键立构中心数量:0 15.共价键单元数量:1 |
| 更多 | 1.性状:无色针状结晶或白色至淡黄色结晶性粉末。 2.熔点:251-252℃(分解) 3.溶解性:溶于乙醇、丙酮,溶于稀碱呈蓝色,溶于硫酸呈胭脂红色,不溶于水。 |
| 个人防护装备 | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
|---|---|
| 危害码 (欧洲) | Xn:Harmful |
| 风险声明 (欧洲) | R40 |
| 安全声明 (欧洲) | S7-S16-S36/37-S24/25-S22 |
| 危险品运输编码 | UN 1170 3/PG 3 |
| WGK德国 | 3 |
| 包装等级 | II |
| 危险类别 | 3 |
| 海关编码 | 29322980 |
|
~90%
百里香酚酞 125-20-2 |
| 文献:Sabnis, Ram W. Tetrahedron Letters, 2009 , vol. 50, # 46 p. 6261 - 6263 |
| 百里香酚酞上游产品 2 | |
|---|---|
| 百里香酚酞下游产品 0 | |
1.将麝香草酚、邻苯二甲酸酐和无水氯化锌混合,加热。加入乙醚及苯。在水浴上加热回流,倾出上层溶剂,向固体物中加入甲醇,加热。用甲醇抽提剩余的固体物,滴加水出现沉淀、冷却,便得纯品麝香草酚酞。
2.将百里酚、邻苯二甲酸酐和无水氯化锌混合,搅拌下加热至105~110℃,保温6~8h进行反应:
反应结束后,先冷却,然后加入少量乙醚和苯,水浴加热回流,使未反应的百里酚完全溶解。冷却结晶,分出上层溶剂,在结晶中加入甲醇,抽提产物,收集提取液,往提取液中滴加水至沉淀析出即停止,冷却结晶,即为百里香酚酞。根据纯品要求,可再用热甲醇重复抽提、滴水析出过程。
| 海关编码 | 2932209090 |
|---|---|
| 中文概述 | 2932209090. 其他内酯. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% |
| 申报要素 | 品名, 成分含量, 用途 |
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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| TCMDC-123951 |
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