Aminoguanidine hydrochloride
Aminoguanidine hydrochloride (CAS: 1937-19-5; Formula: NH2NHC(=NH)NH2 · HCl; MW: 110.55) is a chemical compound utilised as a versatile building block in organic synthesis. It serves as a precursor in the preparation of various heterocyclic compounds and pharmaceuticals. This reagent is a key component in chemical research and development, particularly within the fields of medicinal chemistry and materials science. Its applications span across several sectors requiring precise chemical synthesis.
- IUPAC
- Guanylhydrazine hydrochloride

Organic Synthesis Reagent
Aminoguanidine hydrochloride is widely employed as a building block in the synthesis of complex organic molecules, including heterocycles. It is a crucial intermediate for creating nitrogen-containing compounds.
Pharmaceutical Intermediate
This compound serves as a precursor in the development of active pharmaceutical ingredients (APIs). Its structure allows for the introduction of the guanidine moiety into target drug molecules.
Research and Development
Utilised in academic and industrial research laboratories for exploring new synthetic pathways and developing novel chemical entities. Its reactivity profile makes it valuable in diverse research projects.
Biochemical Research
As a bioactive small molecule, it finds applications in cell biology studies and biochemical assays, contributing to a better understanding of biological processes.
| Molecular weight | 110.55 |
|---|---|
| Linear formula | NH2NHC(=NH)NH2 · HCl |
| Assay | ≥98% |
| Melting point | 162-166 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Aminoguanidine hydrochloride used for?
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Aminoguanidine hydrochloride is primarily used as a building block in organic synthesis, a precursor for pharmaceutical intermediates, and in biochemical research.
What is the CAS number and formula for Aminoguanidine hydrochloride?
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The CAS number is 1937-19-5 and the chemical formula is NH2NHC(=NH)NH2 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Aminoguanidine hydrochloride with an assay of ≥98%. This product is suitable for research and chemical synthesis; TSS does not represent it as USP, BP, or EP grade.
How should Aminoguanidine hydrochloride be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation, as it can cause skin irritation, serious eye irritation, and respiratory irritation (H315-H319-H335).
How is Aminoguanidine hydrochloride packed and exported?
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Aminoguanidine hydrochloride is carefully packed to ensure integrity during transport and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for Aminoguanidine hydrochloride?
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To request a sample or a quote, please contact our sales team through the website or via email, providing your specific requirements.
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