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N4638

Sigma-Aldrich

Neutral Red

BioReagent, Powder

Synonyme(s) :

3-Amino-7-dimethylamino-2-methylphenazine hydrochloride, Basic Red 5, Toluylene red

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About This Item

Formule empirique (notation de Hill):
C15H17ClN4
Numéro CAS:
553-24-2
Poids moléculaire :
288.78
Numéro C.I. (Colour Index):
50040
Numéro Beilstein :
3918740
Numéro CE :
209-035-8
Numéro MDL:
MFCD00012651
Code UNSPSC :
12171500
ID de substance PubChem :
24897707
Nomenclature NACRES :
NA.47

product name

Neutral Red, powder, BioReagent, suitable for cell culture

Gamme de produits

BioReagent

Niveau de qualité

200

Forme

powder

Composition

Dye content, ≥90%

Technique(s)

cell culture | mammalian: suitable
titration: suitable

Couleur

brown to black

pH

6.8-8.0, red to yellow

Pf

290 °C (dec.) (lit.)

Solubilité

H2O: 10 mg/mL

Application(s)

diagnostic assay manufacturing

Température de stockage

2-8°C

Chaîne SMILES 

Cl.CN(C)c1ccc2nc3cc(C)c(N)cc3nc2c1

InChI

1S/C15H16N4.ClH/c1-9-6-13-15(8-11(9)16)18-14-7-10(19(2)3)4-5-12(14)17-13;/h4-8H,16H2,1-3H3;1H

Clé InChI

PGSADBUBUOPOJS-UHFFFAOYSA-N

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Catégories apparentées

Description générale

Neutral red (C.l. 50040, Cl Basic red 5) is a protonated diaminophenazine dye that has a small planar conjugated system.

Application

Neutral red has been used in several histological staining applications that include:
  • as a nuclear stain
  • as a counterstain in the Gram procedure, either alone, or as a component of the Twort stain, a fast green-neutral red mixture.
  • fluorescent staining of nucleic acids in nervous tissue, of lipids and hydrophobic substances such as suberin and of phenolic compounds in algal cell walls
  • detection of viable yeast cells in dandruff samples and of mussel larvae
  • Neutral red has also been used as a stain in flow cytometry.
Useful as an indicator for preparing neutral red paper, and as a biological stain.

Notes préparatoires

Purified

Produit(s) apparenté(s)

Réf. du produit
Description
Tarif

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

Eyeshields, Gloves, type N95 (US)

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Certificats d'analyse (COA)

Lot/Batch Number
MKCG8905
MKCB4731
SLBS6997
MKCB1224V
SLBQ5704V

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This study introduces a novel and simple method to covalently graft neutral red (NR) onto carbon surfaces based on spontaneous reduction of in situ generated NR diazonium salts. Immobilization of neutral red on carbon surface was achieved by immersing carbon
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