Alloxan, 98.5%

About Alloxan, 98.5%

Alloxan is a saturated N-heterocycle carrying the CAS registry number 2244-11-3 at a purity of ≥98.5%. The compound has the formula C4H4N2O5, corresponding to a molecular weight of 160.09 g/mol. Its systematic (IUPAC) name is 1,3-diazinane-2,4,5,6-tetrone. Hydrate. Alternative names: 2,4,5,6(1H,3H)-Pyrimidinetetrone and 2,4,5,6-Tetraoxypyrimidine.

It is supplied as a powder. Key physical data: a melting point of About 250 °C with decomposition. Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is commonly used for dyes and pigments manufacture and organic synthesis. It is used across pharmaceutical manufacturing, academic and industrial research and textiles and dyeing.

We offer Alloxan in 25 g, 100 g and 5 x 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Dyes & pigments manufacture
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Alloxan, 98.5%
Catalogue No.	VQ-012497
CAS Number	2244-11-3
IUPAC name	1,3-diazinane-2,4,5,6-tetrone;hydrate
Molecular formula	C₄H₄N₂O₅
Molecular weight	160.09 g/mol
Exact mass	160.012
Purity / assay	≥98.5%
HSN code	29333990
InChIKey	DSXMTJRUNLATRP-UHFFFAOYSA-N
SMILES	C1(=O)C(=O)NC(=O)NC1=O.O
PubChem CID	16723

Physical properties
Physical form	Powder
Appearance	Powder
Melting point	About 250 °C with decomposition
Solubility	H2O: may be hazy yellow
H-bond donors / acceptors	3 / 5
TPSA	93.3 Å²
Synonyms	2,4,5,6(1H,3H)-Pyrimidinetetrone, 2,4,5,6-Tetraoxypyrimidine, 5,6-Dioxyuracil, 5,5-Dihydroxybarbituric acid, 2,4,5,6(1H,3H)-Pyrimidinetetrone, monohydrate, 1,3-diazinane-2,4,5,6-tetrone hydrate, Pyrimidine-2,4,5,6(1H,3H)-tetraone hydrate, Alloxan, monohydrate, Alloxan (hydrate), 5, 6-Dioxyuracil, Alloxan monohydrate, 98%, Pyrimidine-2,4,5,6(1H,3H)-tetraone monohydrate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled

Precautionary statements: P261, P264, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P317, P321, P330, P362 + P364, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Alloxan, 98.5%?

The CAS Registry Number of Alloxan, 98.5% is 2244-11-3. It is also known as 2,4,5,6(1H,3H)-Pyrimidinetetrone, 2,4,5,6-Tetraoxypyrimidine, 5,6-Dioxyuracil.

What is the molecular formula and molecular weight of Alloxan, 98.5%?

Alloxan, 98.5% has the molecular formula C4H4N2O5 and a molecular weight of 160.09 g/mol.

Which grade and pack sizes of Alloxan, 98.5% can I order?

We supply Alloxan, 98.5% in (≥98.5%) grade, in 25 g, 100 g, 5 x 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Alloxan, 98.5%?

Yes. Every lot of Alloxan, 98.5% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Alloxan, 98.5% be shipped internationally?

Yes. Alloxan, 98.5% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.