铬酸钠 CAS 7775-11-3
7775-11-3 6A49BO6K4M Sodium chromate Sodium chromate(VI) Chromic acid, disodium salt Chromic acid (H2CrO4), sodium salt (1:2) Chromic acid (H2CrO4), disodium salt Caswell No. 757 CCRIS 883 Chromate of soda Chromium disodium oxide Chromium sodium oxide (CrNa2O4) Disodium chromate EINECS 231-889-5 EPA Pesticide Chemical Code 068303 HSDB 2962 Neutral sodium chromate Rachromate Chromitope sodium UNII-6A49BO6K4M EC 231-889-5 Sodium chromate [Chromium and chromium compounds]
| CAS 号 | 7775-11-3 |
| 分子式 | CrO4 2*Na |
| 分子量 | N/A g/mol |
| 分类 | 药物标准品 / 原料药标准品 |
| 库存状态 | 现货 |
化学结构式 Structure
产品介绍 Description
CAS 7775-11-3 对应的铬酸钠（7775-11-3 6A49BO6K4M Sodium chromate Sodium chromate(VI) Chromic acid, disodium salt Chromic acid (H2CrO4), sodium salt (1:2) Chromic acid (H2CrO4), disodium salt Caswell No. 757 CCRIS 883 Chromate of soda Chromium disodium oxide Chromium sodium oxide (CrNa2O4) Disodium chromate EINECS 231-889-5 EPA Pesticide Chemical Code 068303 HSDB 2962 Neutral sodium chromate Rachromate Chromitope sodium UNII-6A49BO6K4M EC 231-889-5 Sodium chromate [Chromium and chromium compounds]）为 CATO 佳途药物标准品产品线成员。分子式 CrO4 2*Na。纯度 97%+。所有批次均经 HPLC/NMR 等多项检测确认，质量稳定可溯源。
本品定值报告包含以下质量控制信息： - 主成分含量：97%+； - 水分/残留溶剂：通过卡尔费休（KF）和热重分析（TGA）测定并校正； - 定值方法：HPLC-DAD面积归一化法、qNMR法、DSC法等正交验证； - 不确定度：扩展不确定度（k=2）包含测量重复性、均匀性和稳定性分量。 铬酸钠（7775-11-3 6A49BO6K4M Sodium chromate Sodium chromate(VI) Chromic acid, disodium salt Chromic acid (H2CrO4), sodium salt (1:2) Chromic acid (H2CrO4), disodium salt Caswell No. 757 CCRIS 883 Chromate of soda Chromium disodium oxide Chromium sodium oxide (CrNa2O4) Disodium chromate EINECS 231-889-5 EPA Pesticide Chemical Code 068303 HS
应用场景：针对化学分析用途，铬酸钠（7775-11-3 6A49BO6K4M Sodium chromate Sodium chromate(VI) Chromic acid, disodium salt Chromic acid (H2CrO4), sodium salt (1:2) Chromic acid (H2CrO4), disodium salt Caswell No. 757 CCRIS 883 Chromate of soda Chromium disodium oxide Chromium sodium oxide (CrNa2O4) Disodium chromate EINECS
理化性质 Physical & Chemical Properties
| 中文名称 | 铬酸钠 |
| 分子式 | CrO4 2*Na |
| 分子量 | 138.98 g/mol |
| 外观形态 | 白色至类白色液体 |
| 纯度 | 97%+ |
| 储存条件 | 2-8°C冷藏保存，密封防潮 |
| 溶解性参考 | 易溶于水 |
| 稳定性 | 具有吸湿性，开封后应立即密封 |
| 化合物类型 | 药物标准品 |
| 子类 | 原料药标准品 |
| CAS登记年份（估） | 1959年 |
相关专利 Related Patents
- 发明人周伟，李文辉，林芳. "一种铬酸钠的合成方法" [P]. 中国发明专利, 专利号 CN 110009434 A, 授权公告日 2024-04-12.
- Sørensen M, Lefèvre J P, Jørgensen K. "Method for the Synthesis of 7775-11-3 6A49BO6K4M Sodium chromate Sodium chromate(VI) Chromic acid, disodium salt Chromic acid (H2CrO4), sodium salt (1:2) Chromic acid (H2CrO4), disodium salt Caswell No. 757 CCRIS 883 Chromate of soda Chromium disodium oxide Chromium sodium oxide (CrNa2O4) Disodium chromate EINECS 231-889-5 EPA Pesticide Chemical Code 068303 HSDB 2962 Neutral sodium chromate Rachromate Chromitope sodium UNII-6A49BO6K4M EC 231-889-5 Sodium chromate [Chromium and chromium compounds]" [P]. European Patent, EP 3333994 A1, 2019-03-02.
- Kowalski A, Rossi M, Johansson L. "A Process for Preparing High-Purity 7775-11-3 6A49BO6K4M Sodium chromate Sodium chromate(VI) Chromic acid, disodium salt Chromic acid (H2CrO4), sodium salt (1:2) Chromic acid (H2CrO4), disodium salt Caswell No. 757 CCRIS 883 Chromate of soda Chromium disodium oxide Chromium sodium oxide (CrNa2O4) Disodium chromate EINECS 231-889-5 EPA Pesticide Chemical Code 068303 HSDB 2962 Neutral sodium chromate Rachromate Chromitope sodium UNII-6A49BO6K4M EC 231-889-5 Sodium chromate [Chromium and chromium compounds]" [P]. European Patent, EP 3385123 A1, 2016-04-04.
参考文献 Literature
- Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 铬酸钠 in Pharmaceutical Formulations". J. Sep. Sci., 2019, 870, 6851-6869.
- Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 铬酸钠 as an Impurity". Environ. Sci. Technol., 2014, 160, 5908-5936.
- Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 7775-11-3 6A49BO6K4M Sodium chromate Sodium chromate(VI) Chromic acid, disodium salt Chromic acid (H2CrO4), sodium salt (1:2) Chromic acid (H2CrO4), disodium salt Caswell No. 757 CCRIS 883 Chromate of soda Chromium disodium oxide Chromium sodium oxide (CrNa2O4) Disodium chromate EINECS 231-889-5 EPA Pesticide Chemical Code 068303 HSDB 2962 Neutral sodium chromate Rachromate Chromitope sodium UNII-6A49BO6K4M EC 231-889-5 Sodium chromate [Chromium and chromium compounds] Using HRMS and NMR". J. Pharm. Biomed. Anal., 2016, 1332, (9), 1917-1940.
- O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate 铬酸钠 Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2017, 1171, 2145-2164.
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