Lumazine
Synonym(s):2,4(1H,3H)-Pteridinedione;2,4-Dihydroxypteridine;2,4-Pteridinediol
- CAS NO.：487-21-8
- Empirical Formula: C6H4N4O2
- Molecular Weight: 164.12
- MDL number: MFCD00066250
- EINECS: 207-652-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-06 22:25:17
What is Lumazine?
Chemical properties
LIGHT YELLOW TO OCHRE POWDER
The Uses of Lumazine
Lumazine is a new MALDI matrix for complex (phospho)lipid mixtures analysis.
Definition
ChEBI: A 2,4-dihydroxypteridine.
Purification Methods
Crystallise the dione from water. It has also been purified as for pterin below. [Dallacker & Steiner Justus Liebigs Ann Chem 660 98 1962, Beilstein 26 III/IV 2489.]
Properties of Lumazine
| Melting point: | 300 °C |
| Boiling point: | 291.56°C (rough estimate) |
| Density | 1.5129 (rough estimate) |
| refractive index | 1.6900 (estimate) |
| storage temp. | -20°C Freezer |
| solubility | DMSO (Slightly) |
| pka | pK1:<1.3;pK2:7.92 (25°C) |
| form | crystalline |
| color | yellow |
| Water Solubility | 0.125 g/100 mL (25 ºC) |
| Merck | 14,5596 |
| BRN | 157503 |
| CAS DataBase Reference | 487-21-8(CAS DataBase Reference) |
| NIST Chemistry Reference | Lumazine(487-21-8) |
| EPA Substance Registry System | Lumazine (487-21-8) |
Safety information for Lumazine
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Lumazine
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