耗材描述
- 分子式 C16H9N3Na2O10S2
- 分子量513.37
- Beilstein号 4109733
- EC号 208-959-9
- MDL号 MFCD00003951
- PubChem编号 24856430
属性
熔点 | 300°C |
敏感性 | 对湿度敏感 |
存贮条件 | 密封保存。 |
描述
应用 |
分析测定硼酸、硼酸盐、锗、钴、镍、铜和稀土金属,检验铝、钙和镁。 Chromotrope 2B along with Chromotrope 2R, was used to give a highly colored radical anion, during the spectrophotometric determination of cephalosporins (cephadroxil (I), cephalexin (II) and cephradine (III)) in pharmaceutical products. It may be immobilized on AG 1-X8 ion exchange resin, used in flame atomic absorption spectrometry and inductively coupled plasma mass spectrometry (ICP-MS), done for the on-line preconcentration and determination of aluminium. |
产品介绍 | 淡红棕色粉末,溶于水呈淡黄红色,不溶于醇。 |
别名 | 变色酸2B ;变色素2B,对硝基苯偶氮变色酸钠,4,5-二羟基-3-[(4-硝基苯基)偶氮-]-2,7-萘二磺酸二钠盐,酸性红176;对硝基苯偶氮变色酸 二钠盐;2-(4-Nitrophenylazo)chromotropic acid disodium salt Acid Red 176 4,5-Dihydroxy-3-(p-nitrophenylazo)-2,7-naphthalenedisulfonic acid, disodium salt C.I. 16575 |
Merck Index | 2240 |
标识符号 |
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信号词 | Warning |
危害声明 | H315,H319,H335 |
警示性声明 | P261,P305+P351+P338 |
个人防护设备 | dust mask type N95 (US),Eyeshields,Gloves |
WGK德国 | 3 |
风险声明 (欧洲) | 36/37/38 |
安全声明(欧洲) | 26,36 |
危害码(欧洲) | Xi |
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