2-aminoguanidine,sulfuricaci
aminoguanidinium sulphate
CAS: 1068-42-4
Molecular Formula: CH6N4.H2O4S
2-aminoguanidine,sulfuricaci - Names and Identifiers
| Name | aminoguanidinium sulphate |
| Synonyms | Aminoguanidine sulfate AMINOGUANIDINE SULFATE Guanylhydrazinesulfate AMINO GUANIDINE SULPHATE AMINOGUANIDINIUM SULFATE aminoguanidinium sulphate Aminoguanidinium sulphate 2-aminoguanidine,sulfuricaci 2-aminoguanidine,sulfuric acid (Diaminomethylene)hydrazinium hydrogen sulfate |
| CAS | 1068-42-4 |
| EINECS | 213-945-0 |
| InChI | InChI=1/2CH6N4.H2O4S/c2*2-1(3)5-4;1-5(2,3)4/h2*4H2,(H4,2,3,5);(H2,1,2,3,4) |
2-aminoguanidine,sulfuricaci - Physico-chemical Properties
| Molecular Formula | CH6N4.H2O4S |
| Molar Mass | 172.16 |
| Melting Point | 200℃ |
| Boling Point | 261.4°C at 760 mmHg |
| Flash Point | 111.9°C |
| Vapor Presure | 0.0116mmHg at 25°C |
| Storage Condition | Room Temprature |
| MDL | MFCD00035665 |
| Physical and Chemical Properties | Colorless or white crystals. Melting point 206 ℃ (decomposition). Easily soluble in water, insoluble in ethanol. |
2-aminoguanidine,sulfuricaci - Risk and Safety
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
2-aminoguanidine,sulfuricaci - Reference
| Reference Show more | 1. Wang dong, Zhang shiyu, Zhu jun. study on antioxidant mechanism of salvia miltiorrhiza cream [J]. shizhen national medicine 2019 v.30;No.292(12):66-68. 2. Zhang junqi, Hu lirong, Liu Taiping, et al. the role of aminoguanidine in retinal pathological changes after optic nerve injury in rabbits [J]. journal of medical graduate students, 2013(10):1028-1031. 3. [IF = 5.396] Xie Xing et al."Influence of Sargassum pallidum and the synergistic interaction mechanism of 6-gingerol and poricoic acid A on inhibiting ovalbumin glycation." Food Funct. 2021 Oct;12(19):9315-9326 4. [IF = 6.475] Li Zhao et al."Effects of A- type oligomer procyanidins on protein glycation using two glycation models coupled with spectroscopy, chromatography, and molecular docking." Food Res Int. 2022 May;155:111068 |
2-aminoguanidine,sulfuricaci - Reference Information
| overview | aminoguanidine sulfate is a nitrogen-containing organic substance and can be used as an intermediate in pharmaceutical synthesis. |
| chemical properties | colorless or white crystals. Melting point 206 ℃ (decomposition). Easily soluble in water, insoluble in ethanol. |
| uses | organic synthesis, pharmaceutical intermediates. |
| production method | (1) obtained by the action of hydrazine sulfate and lime nitrogen, and then neutralized with sulfuric acid to form salt: firstly, hydrazine sulfate is suspended in water, lime nitrogen is gradually added under cooling and stirring, the temperature is controlled at about 20 ℃, the reaction is 8h, then filtered, the filter cake is washed with water, and the filter cake is drained; The filtrate and the lotion are combined, at room temperature, it is neutralized with 50% sulfuric acid to pH = 5, and calcium sulfate is filtered to remove. The mother liquor is concentrated and cooled under reduced pressure to precipitate white crystals. Then it is washed and dried with ice water to obtain a yield of about 72%. (2) It is obtained by the reaction of methyl isothiourea sulfate and hydrazine hydrate: 119ml of 42% hydrazine hydrate solution is diluted with equal volume of water, and then it is added to 139g of 200ml aqueous solution of methyl isothiourea sulfate at a temperature of 10 ℃. The methyl mercaptan released by the reaction is absorbed in the sodium hydroxide solution. After concentrating the reaction solution to 200ml, add equal volume of 95% ethanol to precipitate aminoguanidine sulfate and filter out crystals. The concentration of the mother liquor can also obtain partial crystallization. The crystallization is dried under vacuum, which is the finished product. The yield is 90%. |
Last Update：2024-04-09 21:01:54
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