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Key Documents

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:
Poids moléculaire :
288.78
Numéro C.I. (Colour Index):
50040
Numéro Beilstein :
3918740
Numéro CE :
Numéro MDL:
Code UNSPSC :
12171500
ID de substance PubChem :
Nomenclature NACRES :
NA.47

product name

Neutral Red, powder, BioReagent, suitable for cell culture

Gamme de produits

BioReagent

Niveau de qualité

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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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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