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Fluorescein Sodium Structure

Fluorescein Sodium

Chemical Properties

Melting point 320 °C
Density  0.579[at 20℃]
vapor pressure  2.133hPa
storage temp.  Store at +5°C to +30°C.
solubility  H2O: soluble1mg/mL
Colour Index  45350
form  Powder
pka 2.2, 4.4, 6.7(at 25℃)
color  Rust-orange
Odor Odorless
PH 8.3 (10g/l, H2O, 20℃)
PH Range Pink uorescence (4.0) to green uorescence (6.0)
Water Solubility  500 g/L (20 ºC)
λmax 491nm, 493.5nm, 490nm
Merck  14,4159
BRN  3833041
Stability Stable.
Major Application Nanolithography, nanoparticles, thin films, fuel cells, inks, laser, colored bubbles, cleansing products, identifying leaks in coolant, suntanning agent, hair dyes, cosmetics, dermatology, dental material, diagnosis of diabetic retinopathy, antitumor agent
InChIKey NJDNXYGOVLYJHP-UHFFFAOYSA-L
LogP 0.34
CAS DataBase Reference 518-47-8(CAS DataBase Reference)
EPA Substance Registry System Fluorescein, disodium salt (518-47-8)

Safety Information

Hazard Codes  Xi
Risk Statements  36-36/37/38
Safety Statements  22-24/25-37/39-26-36/37/39-27
WGK Germany  1
RTECS  LM5425000
3
TSCA  Yes
HS Code  32041200
Hazardous Substances Data 518-47-8(Hazardous Substances Data)
Toxicity LD50 in mice, rats (mg/kg): 4738, 6721 orally (Yankel, Loux)

MSDS

Usage And Synthesis

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