199303

Resazurin sodium salt

certified by the Biological Stain Commission

• Synonyme(s) : 7-Hydroxy-3H-phenoxazin-3-one-10-oxide sodium salt
• Formule empirique (notation de Hill): C₁₂H₆NNaO₄
• Numéro CAS: 62758-13-8
• Poids moléculaire : 251.17
• Numéro Beilstein : 3794971
• Numéro CE : 263-718-5
• Numéro MDL: MFCD00005036
• Code UNSPSC : 12171500
• ID de substance PubChem : 24851905
• Nomenclature NACRES : NA.47

Propriétés

• Qualité: certified by the Biological Stain Commission
• Forme: powder
• Composition: Dye content, 75%
• Solubilité: 1 M NH4OH: 1 mg/mL
• λmax: 380 nm (2nd); 598 nm
• Application(s): diagnostic assay manufacturing; hematology; histology
• Température de stockage: room temp
• Chaîne SMILES: [Na+].[O-]c1ccc2c(OC3=CC(=O)C=CC3=[N+]2[O-])c1
• InChI: 1S/C12H7NO4.Na/c14-7-1-3-9-11(5-7)17-12-6-8(15)2-4-10(12)13(9)16;/h1-6,14H;/q;+1/p-1
• Clé InChI: IVGPGQSSDLDOLH-UHFFFAOYSA-M

Description

Description générale

Resazurin is a small N-oxide derivative of dihydroxyphenoxazone. It is a non-ionic dye containing a small and planar chromophore. It is a redox indicator and changes from bluish violet through pink to colorless upon reduction. It is also used as a pH indicator for Ph 3.5 to 6.5 wherein it changed from orange to bluish violet. It is commercially available as resazurin sodium salt, which is also known as 3H-Phenoxazin-3-one, 7-hydroxy-, 10-oxide, sodium salt. It forms the red, fluorescent hydroxyphenoxazone resorufin on reduction and colorless hydroresorufin on further reduction.

Application

Resazurin is mostly used as a biological redox indicator. The bioreduction of the dye reduces the amount of the oxidized form (blue) and concomitantly increases the fluorescent intermediate (red). Its applications include:

• the measurement of metabolic activity and the proliferation of living cells
• the detection of bacterial reduction in milk
• in viability assays as a component of culture media for the detection of viable bacteria
• to determine the number of motile sperm in sheep semen
• to assay lactate dehydrogenase
• as an analytical reagent to quantify L-glutamate

For the measurement of metabolic activity and proliferation of living cells. The bioreduction of the dye reduces the amount of the oxidized form (blue) and concomitantly increases the fluorescent intermediate (red).

Informations sur la sécurité

• Pictogrammes: GHS07
• Mention d'avertissement: Warning
• Mentions de danger: H315,H319,H335
• Conseils de prudence: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Classification des risques: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Organes cibles: Respiratory system
• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 3
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable
• Équipement de protection individuelle: dust mask type N95 (US), Eyeshields, Gloves