Alloxan monohydrate
Alloxan monohydrate (CAS: 2244-11-3, C4H2N2O4 · H2O) is a pyrimidine derivative with a molecular weight of 160.08. This compound is recognised for its role as a versatile building block in organic synthesis, particularly in the construction of heterocyclic compounds. It is supplied by TSS with a purity of ≥98.0% (TLC) and is suitable for research and chemical synthesis applications. Storage under refrigeration (2-8°C) is recommended.
- IUPAC
- 2,4,5,6(1H,3H)-Pyrimidinetetrone,2,4,5,6-Tetraoxypyrimidine,5,6-Dioxyuracil
- Synonyms
- 2,4,5,6(1H,3H)-Pyrimidinetetrone, 2,4,5,6-Tetraoxypyrimidine, 5,6-Dioxyuracil

Organic Synthesis Intermediate
Alloxan monohydrate serves as a key intermediate in the synthesis of various organic compounds. Its pyrimidine ring structure makes it valuable for creating complex heterocyclic molecules.
Heterocyclic Compound Synthesis
This compound is frequently employed in the construction of pyrimidine-based heterocyclic systems. It is an important reagent for chemists exploring novel molecular architectures.
Research and Development
Utilised in laboratory settings for research purposes, alloxan monohydrate aids in the investigation of new chemical pathways and the development of novel materials.
| Molecular weight | 160.08 |
|---|---|
| Empirical formula | C4H2N2O4 · H2O |
| Assay | ≥98.0% (TLC) |
| Solubility | H2O: soluble50 mg/mL, clear |
| Storage temperature | 2-8°C |
| Impurities tested | ~12% water |
| Melting point | 255 °C (dec.)(lit.) |

Hazard statements
- H302Harmful if swallowed
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22 |
| Safety statements (S) | 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 Alloxan monohydrate used for?
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Alloxan monohydrate is primarily used as a building block in organic synthesis, particularly for the creation of heterocyclic compounds. It is also employed in research and development settings.
What is the CAS number and formula for Alloxan monohydrate?
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The CAS number for Alloxan monohydrate is 2244-11-3, and its empirical formula is C4H2N2O4 · H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Alloxan monohydrate with an assay of ≥98.0% (TLC). This product is intended for technical and research purposes and is not represented as USP, BP, or EP grade.
How should Alloxan monohydrate be handled and stored?
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Alloxan monohydrate is classified as harmful if swallowed, in contact with skin, or if inhaled (H302 + H312 + H332). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be worn. Store at 2-8°C.
How is Alloxan monohydrate shipped and exported?
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As a global supplier and exporter, Tech Serve Solutions expertly handles the packing and shipping of chemicals like Alloxan monohydrate, adhering to all necessary regulations for international distribution.
How can I request a sample or quote for Alloxan monohydrate?
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To request a sample or a quote for Alloxan monohydrate, please contact our sales team through the website or by phone, providing your specific requirements.
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