| Chinese alias | C.I.酸性橙52、金莲橙D、对二甲基氨基偶氮苯磺酸钠、半日花素B |
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| CAS | 547-58-0 |
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| Formula | C14H14N3O3S.Na |
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| MW | 327.339 |
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| Appearance | 橙黄色粉末或结晶状鳞片 |
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| MDL | MFCD00007502 |
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| Melting point | 300 °C（lit.） |
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| Storage condition | Store at RT. |
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| Chemical Stability | 稳定的。与强氧化剂不相容 |
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| Safe Property | S45-24/25-16-36/37/39 |
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| Hazard Category Code | R25-10 |
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| Water Solubility | Soluble in ethanol. Partially soluble in hot water. Slightly soluble in cold water and pyrimidine. Insoluble in ether and alcohol. |
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| 用途 | 作酸碱指示剂，也用于生物染色。 |
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| Storage | Store at RT. |
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| Smiles | CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+] |
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| InchiKey | STZCRXQWRGQSJD-UHFFFAOYSA-M |
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