Luminol
Luminol (CAS 521-31-3, C8H7N3O2) is a chemiluminescent compound renowned for its ability to emit a distinct blue glow in the presence of an oxidizing agent and a catalyst. This highly sought-after reagent, with a molecular weight of 177.16 g/mol, is indispensable in forensic science for detecting latent bloodstains. It also finds applications in biochemical research and analytical chemistry due to its unique light-emitting properties.
- IUPAC
- 3-Aminophthalhydrazide,5-Amino-2,3-dihydro-1,4-phthalazinedione
- Synonyms
- 3-Aminophthalhydrazide5-Amino-2,3-dihydro-1,4-phthalazinedione
Forensic Science
Luminol is widely used by forensic investigators to detect trace amounts of blood at crime scenes. Its chemiluminescence reveals bloodstains that may not be visible to the naked eye, even after attempts to clean them.
Biochemical Assays
In research laboratories, luminol serves as a substrate in various biochemical assays. It is particularly useful in enzyme-linked immunosorbent assays (ELISA) and Western blotting where its light emission can be quantified to measure biological reactions.
Analytical Chemistry
The compound's light-producing reaction can be harnessed for analytical purposes, allowing for the sensitive detection and quantification of substances like metal ions and certain organic compounds.
| Molecular weight | 177.16 |
|---|---|
| Empirical formula | C8H7N3O2 |
| Assay | 97% |
| Grade | SAJ special grade |
| Melting point | >300 °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) | 26-36/37 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Availability | available only in Japan |
|---|
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 Luminol used for?
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Luminol is primarily used for the detection of blood in forensic investigations due to its chemiluminescent properties. It also serves as a substrate in biochemical assays and for analytical purposes in chemistry.
What are the CAS number and formula for Luminol?
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The CAS number for Luminol is 521-31-3, and its molecular formula is C8H7N3O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Luminol in a SAJ special grade with an assay of 97%. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards unless explicitly stated.
How should Luminol be handled safely?
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Luminol is classified as a warning substance. It can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Always use appropriate personal protective equipment, including a dust mask (N95 type), eyeshields, and gloves, and work in a well-ventilated area.
Is Luminol available for international export?
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Luminol (CAS 521-31-3) is available for export, though specific availability may vary by region. Please contact us for details on shipping and export options.
How can I request a quote or sample for Luminol?
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To request a quote or a sample of Luminol, please contact our sales team through our website or by phone. Provide your specific requirements, including the quantity needed.
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