酚酞 分析标准品,HPLC≥98%
| 货号 | 规格 | 价格 | 上海 | 北京 | 珠海 | 重庆 | 武汉 | 购买数量 |
|---|---|---|---|---|---|---|---|---|
B24592-5g |
分析标准品,HPLC≥98% | ￥300.00 |
10 | 2 | - | - | - |
|
产品介绍
在空气中稳定。溶于乙醇和碱溶液，在乙醚中略溶，1g溶于12ml乙醇、约100ml乙醚，溶于稀碱溶液呈深红色，极微溶于氯仿，不溶于水。最大吸收波长(甲醇中)205、229、276nm(ε27261·147、14692·144、2006·369)。最小致死量(大鼠，腹腔)500mg/kg。有刺激性。
| SMILES： | O=C1OC(C2=CC=C(O)C=C2)(C3=CC=C(O)C=C3)C4=C1C=CC=C4 |
|---|---|
| 熔点： | 261-263 °C (lit.) |
| 沸点： | 548.7°C at 760 mmHg |
| 外观： | 白色粉末 |
| 溶解性： | acetone: soluble。溶于乙醇和碱溶液，在乙醚中略溶，1g溶于12ml乙醇、约100ml乙醚，溶于稀碱溶液呈深红色，极微溶于氯仿，不溶于水。 |
| 敏感性： | 易吸潮 |
| 储存条件： | RT |
| 密度： | 1.299 |
| 注意： | 部分产品我司仅能提供部分信息，我司不保证所提供信息的权威性，仅供客户参考交流研究之用。 |
参考文献(17篇)
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1. 钟宏星 张晶 陆剑华 等. 3种油脂酸价测定方法的比较[J]. 食品安全质量检测学报 2019(10):3197-3201.
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