Arsenazo Ⅲ is a metallochrome indicator that changes color when complexed to the calcium ion under physiological conditions. It is used to measure local calcium ion concentrations in vivo.
| 中文别名 | 偶氮胂Ⅲ(MSDS,1668-00-4) |
| 英文别名 | ARSENAZO III; 1668-00-4; Arsenazo III Sodium Salt; 3,6-Bis((E)-(2-Arsonophenyl)Diazenyl)-4,5-Dihydroxynaphthalene-2,7-Disulfonic Acid; 2,7-Bis(2-Arsonophenylazo)-1,8-Dihydroxynaphthalene-3,6-Disulfonic Acid; 2,7-Bis(2-Arsonophenylazo)-1,8-Dihydroxy-3,6-Naphthalenedisulfonic Acid; Arsenazo; EINECS 216-788-6 |
| CAS号 | 1668-00-4 |
| SMILES | c1cc(c(cc1)[As](=O)(O)O)/N=N/c2c(c3c(c(c(cc3cc2S(=O)(=O)O)S(=O)(=O)O)/N=N/c4c(cccc4)[As](=O)(O)O)O)O |
| Inchi | InChI=1S/C22H18As2N4O14S2/c29-21-18-11(9-16(43(37,38)39)19(21)27-25-14-7-3-1-5-12(14)23(31,32)33)10-17(44(40,41)42)20(22(18)30)28-26-15-8-4-2-6-13(15)24(34,35)36/h1-10,29-30H,(H2,31,32,33)(H2,34,35,36)(H,37,38,39)(H,40,41,42)/b27-25+,28-26+ |
| InchiKey | UQHVTNUJRKELCE-NBHCHVEOSA-N |
| 分子式 Formula | C22H18(As2)N4O14S2 |
| 分子量 Molecular Weight | 776.37 |
| 熔点 Melting point | >320 ℃ |
| 溶解度Solubility | Soluble in water (partly), 1N NH4OH (1 mg/ml), and alcohol. |
| 性状 | solid |
| 储藏条件 Storage conditions | 密封保存。 |
