Agent Name

Nile red

CAS Number

7385-67-3

Formula

C20-H18-N2-O2

Major Category

Dyes

Synonyms

9-(Diethylamino)-5H-benzo(a)phenoxazin-5-one; 5H-Benzo(a)phenoxazin-5-one, 9-(diethylamino)-; 9-(Diethylamino)benzo(a)phenoxazin-5(5H)-one; [ChemIDplus] Nile Blue A oxazone; [Merck Index] Nile Red; [Sigma-Aldrich MSDS]

Category

Azine Dyes

Description

Brown glistening solid with a faint metallic green reflex; [Merck Index] Dark green crystalline solid; [Sigma-Aldrich MSDS]

Sources/Uses

Used as a polarity-sensitive fluorescent probe of lipids and proteins; [Merck Index]

Comments

Not considered hazardous by GHS classification; [Sigma-Aldrich MSDS] See "Nile Blue

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