1750-12-5

基本信息
4-氨基联基巯基-1,2,4-三氮杂茂
4-氨基-3-肼-5-巯基-1,2,4-三唑
4-氨基-3-肼基-5-巯基-1.2.4-三唑
4-氨基-3-联氨-5-巯基-1.2.4三氮杂茂(测甲醛)
4-氨基-3-肼基-5-巯基-1,2,4-三唑, 99+%
4-AMINO-3-HYDRAZINO-5-MERCAPTO-1,2,4-TRIAZOLE
4-AMINO-5-HYDRAZINO-4H-1,2,4-TRIAZOLE-3-THIOL
AKOS B029009
PURPAID(R)
PURPALD
PURPALD(R)
2,4-triazolidin-3-one,4-amino-5-thioxo-hydrazone
4-amino-5-hydrazino-1,2,4-triazole-3-thiol
AHMT
4-amino-5-thioxo-1,2,4-triazolidin-3-one hydrazone
PURPALD, 99+% (4-AMINO-3-HYDRAZINO-5-MER CAPTO-1,2,4-TRIAZOLE)
4-AMINO-3-HYDRADZINO-5-MERCAPTO-1,2,4-TRIAZOLE
4-Amino-5-hydrazono-[1,2,4]triazolidine-3-thione
1,2,4-Triazolidin-3-one, 4-amino-5-thioxo-, hydrazone
purpald tm
4-AMINO-3-HYDRAZINO-5-MERCAPTO-1,2,4-TRIAZOLE, 99+%
4-Amino-3-hydrazino-5-mercapto-1,2,4-triazole [for Determination of Aldehydes]
4-Amino-3-hydrazino-5-mercapto-1,2,4-triazole, 4-Amino-5-hydrazino-1,2,4-triazole-3-thiol
(4-Amino-5-mercapto-4H-1,2,4-triazole-3-yl)hydrazine
物理化学性质
制备方法

17356-08-0

1750-12-5
以硫脲(0.5 mol,38 g)和98%水合肼(100 mL)为原料,将混合物置于水浴中回流3小时。反应完成后,冷却反应混合物,用150 mL蒸馏水稀释。随后,加入10 mL 2M HCl中和至pH约6.5,并在0℃下冷冻30分钟。过滤得到粗产物,用冷水洗涤后,将其溶于375 mL 2M HCl中消化15分钟。去除酸不溶性杂质后,用NaOH将滤液中和至pH约6.5,再次在0℃下冷冻。逐渐析出固体产物,过滤后用水多次洗涤,干燥并从水中重结晶,得到4-氨基-5-肼基-4H-[1,2,4]-三唑-3-硫醇(1),为白色固体(24 g,产率65%);熔点244-246℃(文献值231-233℃);FTIR(cm-1)3439, 3262, 3185, 3076, 3014, 2915, 1638;1H NMR(400 MHz, DMSO-d6)δ 12.70(s, 1H, SH),7.15(s, 1H, NH),5.28(s, 2H, NH2),4.15(s, 2H, NH2-肼基);13C NMR(100 MHz, DMSO-d6)δ 164.9, 155.1;元素分析计算值(C2H6N6S,146):C, 16.43; H, 4.14; N, 57.49。实测值:C, 16.48; H, 4.01; N, 57.36。
参考文献:
[1] Synlett, 2016, vol. 27, # 11, p. 1703 - 1706
[2] Journal of the Indian Chemical Society, 1992, vol. 69, # 9, p. 577 - 578
[3] Synthetic Communications, 2017, vol. 47, # 11, p. 1102 - 1109
知名试剂公司产品信息
4-Amino-3-hydrazino-5-mercapto-1,2,4-triazole, 99+%(1750-12-5)
报价日期 | 产品编号 | 产品名称 | CAS号 | 包装 | 价格 |
2025/05/22 | L00982 | 4-氨基-3-肼基-5-巯基-1,2,4-三唑, 99+% 4-Amino-3-hydrazino-5-mercapto-1,2,4-triazole, 99+% | 1750-12-5 | 5g | 486元 |
2025/05/22 | L00982 | 4-氨基-3-肼基-5-巯基-1,2,4-三唑, 99+% 4-Amino-3-hydrazino-5-mercapto-1,2,4-triazole, 99+% | 1750-12-5 | 25g | 1483元 |
2025/05/22 | A0956 | 4-氨基-3-肼基-5-巯基-1,2,4-三唑[用于醛的测定] 4-Amino-3-hydrazino-5-mercapto-1,2,4-triazole [for Determination of Aldehydes] | 1750-12-5 | 5G | 690元 |