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| 3-Amino-5-mercapto-1,2,4-triazole Basic information | | Uses |
| Product Name: | 3-Amino-5-mercapto-1,2,4-triazole | | Synonyms: | iminothiourazole;3-AMINO-5-MERCAPTO-1,2,4-TRIAZOLE;3-AMINO-5-MERCAPTO-1H-1,2,4-TRIAZOLE;3-AMINO-4H-1,2,4-TRIAZOLE-5-THIOL;3-AMINO-1,2,4-TRIAZOLE-5-THIOL;5-MERCAPTO-3-AMINO, 1,2,4-TRIAZOLE;3H-1,2,4-Triazole-3-thione, 5-amino-1,2-dihydro-;3H-1,2,4-Triazole-3-thione,5-amino-1,2-dihydro-(9CI) | | CAS: | 16691-43-3 | | MF: | C2H4N4S | | MW: | 116.14 | | EINECS: | 240-735-6 | | Product Categories: | Organic chemical;3-AMINO-5-MERCAPTO-1,2,4-TRIAZOLE;THIOL;Heterocyclic Compounds;bc0001 | | Mol File: | 16691-43-3.mol |
| 3-Amino-5-mercapto-1,2,4-triazole Chemical Properties |
| Melting point | >300 °C(lit.) | | Boiling point | 201.2±23.0 °C(Predicted) | | density | 1.420 (estimate) | | refractive index | 1.5605 (estimate) | | storage temp. | Keep in dark place,Inert atmosphere,Room temperature | | solubility | water: soluble25mg/mL, clear, faintly yellow to yellow | | form | Crystalline Powder | | pka | 12.57±0.20(Predicted) | | color | White to light beige | | Water Solubility | SOLUBLE IN HOT WATER | | BRN | 112404 | | CAS DataBase Reference | 16691-43-3(CAS DataBase Reference) | | EPA Substance Registry System | 3H-1,2,4-Triazole-3-thione, 5-amino-1,2-dihydro- (16691-43-3) |
| 3-Amino-5-mercapto-1,2,4-triazole Usage And Synthesis |
| Uses | 3-Amino-5-mercapto-1,2,4-triazole is used as a corrosion inhibitor. It can also be used as a reactant in the synthesis of triazole derivatives. | | Chemical Properties | white to light beige crystalline powder | | Uses | 3-Amino-1,2,4-triazole-5-thiol was used to study the inhibition of corrosion of iron in 3.5% NaCl solutions by low concentrations of ATT and 1,1′-thiocarbonyldiimidazole. It was used to prepare surface-enhanced Raman scattering based pH nano- and microsensor using silver nanoparticles. | | Uses | 3-Amino-5-mercapto-1,2,4-triazole is used as a corrosion inhibitor. It can also be used as a reactant in the synthesis of triazole derivatives. | | Synthesis Reference(s) | Journal of Heterocyclic Chemistry, 26, p. 355, 1989 DOI: 10.1002/jhet.5570260216 | | General Description | 3-Amino-1,2,4-triazole-5-thiol inhibits corrosion of copper in aerated acidic chloride pickling solutions. | | Purification Methods | Recrystallise the triazole from H2O and dry it in vacuo. The acetyl derivative has m 325o(dec) after recrystallisation from H2O. [Beilstein 26 III/IV 1351.] It has also been recrystallised from EtOH/H2O (3:1, 1g in 50 mL, 50% recovery), m 300-302o (dec subject to heating rate), ( max 263nm, log 4.12). The S-benzyl derivative, when crystallised from *C6H6/EtOH (20:1), or CHCl3/Et2O has m 109-111o [Godfrey & Kruzer J Chem Soc 3437 1960, Beilstein 26 III/IV 1351.] |
| 3-Amino-5-mercapto-1,2,4-triazole Preparation Products And Raw materials |
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