Overview
Aminoguanidine hydrochloride (CAS 1937-19-5 ), also known as Pimagedine hydrochloride, is a reactive guanidine derivative used primarily as a pharmaceutical intermediate and biochemical research reagent.
It functions as a carbonyl-trapping agent and selective inhibitor in synthetic and biological systems, making it a critical building block in drug development workflows for global manufacturers.
In pharmaceutical synthesis, it serves as a key intermediate in the preparation of heterocyclic compounds, including triazines, aminotriazoles, and guanidine-based active pharmaceutical ingredients.
Biotechnology researchers use it to study advanced glycation end-product formation, where its carbonyl-scavenging activity is central to mechanistic assays and compound screening programs.
It also functions as a catalyst or reactive intermediate in the synthesis of specialty agrochemical and fine chemical targets requiring guanidine scaffolds for specific industrial applications.
Contract manufacturers and API producers source it as a starting material for multi-step synthesis routes targeting cardiovascular and metabolic disease candidates in clinical development.
Aminoguanidine hydrochloride is supplied as a white to off-white crystalline powder. It is available in research-grade and technical-grade specifications with high-purity grades commonly supplied.
Packaging ranges from small laboratory quantities to multi-kilogram industrial lots depending on application requirements, ensuring reliable supply for both R&D and large-scale production.
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Physical Properties
| Melting Point | 160-162 °C |
| Appearance | white to off-white crystals |
| Color | White to off-white |
| Form | Crystals |
| Water Solubility | 506.7g/L at 20℃ |
| Vapor Pressure | 0Pa at 25℃ |
| Log P | -3.55 at 20℃ |
Safety & Handling
Danger GHS07 GHS08 Hazard Statements H315 Causes skin irritation H317 May cause an allergic skin reaction H319 Causes serious eye irritation H335 May cause respiratory irritation H360 May damage fertility or the unborn child Precautionary Statements P203 Obtain, consult and follow expert instructions for use. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P271 Use only outdoors or in a well-ventilated area. P272 Contaminated work clothing should not be allowed out of the workplace. P280 Wear protective gloves/protective clothing/eye protection/face protection. P318 IF exposed or concerned, get medical advice. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P332+P317 Get emergency medical help. P333+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 29280000 |
| Storage Class | 13 - Non Combustible Solids |
| WGK (Germany) | 3 |
Other Names
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Chemical Properties
- CAS Number
- 1937-19-5
- EC Number
- 217-707-7
- Mol. Weight
- 110.55
- HS Code
- 29280000
- Category
- Heterocyclic Compounds