Nile Blue A , Biological staining agent , 3625-57-8

Synonym(s):
Basic Blue 12;Nile blue sulfate

CAS NO.：3625-57-8

Empirical Formula: C20H20N3O5S-

Molecular Weight: 414.46

MDL number: MFCD00064529

EINECS: 222-832-5

PRODUCT Properties

• Melting point: >300 °C (dec.)(lit.)
• storage temp.: room temp
• solubility: Soluble in water, ethanol
• Colour Index: 51180
• form: Powder
• color: Dark green to black
• PH Range: 10.1(BLUE)-11.1(RED)
• Water Solubility: Soluble in ethanol, and water (50 g/L) at 25°C.
• λmax: 633 nm
• Biological Applications: Detecting microorganisms; treating virus infectious diseases; photodynamic therapy

Description and Uses

Nile blue A is suitable for staining and discriminating between melanins and lipofuscins in paraffin sections of animal tissue, and in a histochemical method for lipids in frozen sections.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H302-H315-H319-H335
• Precautionary statements: P261-P305+P351+P338
• Hazard Codes: Xi
• Safety Statements: 22-24/25
• WGK Germany: 3
• RTECS: DJ1931000
• HS Code: 3212900000
• Toxicity: mouse,LD,intraperitoneal,> 500mg/kg (500mg/kg),"Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. Vol. 4, Pg. 46, 1952.