| 熔点 | 300°C |
| 敏感性 | 对湿度敏感 |
| 存贮条件 | 密封保存。 |
| 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 saltAcid Red 1764,5-Dihydroxy-3-(p-nitrophenylazo)-2,7-naphthalenedisulfonic acid, disodium saltC.I. 16575 |
变色酸2B
Chromotrope 2B （订货以英文为准）
编号：C100454
CAS号：548-80-1
分子式：C16H9N3O10S2-2.2[NA+]
分子量：513.37
| 产品名称 | Chromotrope 2B |
| 中文名称 | 变色酸2B |
| CAS号 | 548-80-1 |
| 分子式（M.F.） | C16H9N3O10S2-2.2[NA+] |
| 分子量（M.W.） | 513.37 |
| 个人防护设备 | Eyeshields,Gloves,type N95 (US),type P1 (EN143) respirator filter |
| WGK德国 | 3 |
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