Aluminon
Aluminon (CAS: 569-58-4), a complex organic compound with the formula C22H14O9 · 3NH3 and a molecular weight of 473.43 g/mol, is recognised for its utility as a biochemical reagent. It is particularly employed in analytical chemistry for the colorimetric determination of aluminium ions. This JIS special grade material is an important tool for laboratory analysis and chemical synthesis, providing reliable results for specific detection methods.
- IUPAC
- ATA,Aluminon,Ammonium aurintricarboxylate,Aurintricarboxylic acid ammonium salt
- Synonyms
- Ammonium aurintricarboxylateAurintricarboxylic acid ammonium salt

Colorimetric Aluminium Determination
Aluminon is widely used as a chromogenic reagent for the sensitive colorimetric determination of aluminium. It forms a red lake with aluminium ions in a buffered solution, allowing for quantitative analysis through spectrophotometry.
Analytical Reagent
As a versatile laboratory reagent, Aluminon is integral to various analytical procedures beyond aluminium detection. Its properties lend themselves to specific qualitative and quantitative analyses in research and development settings.
Chemical Synthesis
The compound serves as a building block or reagent in organic synthesis. Its functional groups allow for incorporation into more complex molecular structures or participation in specific chemical reactions.
| Molecular weight | 473.43 |
|---|---|
| Linear formula | C22H14O9 · 3NH3 |
| Grade | JIS special grade |
| Impurities tested | ≤0.1% insolubles |
| Melting point | 220-225 °C (dec.)(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/38 |
| Safety statements (S) | 26-36 |
| Ignition residue | ≤0.2% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Colour Index Number | 43810 |
|---|---|
| Availability | available only in Japan |
| Absorption | λmax 450 nmλmax 522 nm (2nd) |
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 Aluminon used for?
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Aluminon is primarily used as a colorimetric reagent for the determination of aluminium ions and as a general laboratory reagent in chemical synthesis and analysis.
What are the CAS number and formula for Aluminon?
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The CAS number for Aluminon is 569-58-4, and its formula is C22H14O9 · 3NH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Aluminon in JIS special grade with less than or equal to 0.1% insolubles and a residue on ignition of less than or equal to 0.2%. We do not represent this product as USP, BP, or EP grade.
How should Aluminon be handled safely?
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Aluminon is a warning substance that causes skin and serious eye irritation (H315, H319). When handling, use a dust mask type N95, wear eyeshields and gloves, and ensure good ventilation. In case of contact with eyes, rinse cautiously with water for several minutes.
Is Aluminon available for export?
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Aluminon is available only in Japan. For export inquiries or availability in your region, please contact our sales team.
How can I request a quote or sample for Aluminon?
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To request a quote or sample for Aluminon, please contact the Tech Serve Solutions sales department via our website or by phone, providing your specific requirements.
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