Appearance:Rust-orange powder
Throughput:100|Kilogram|Month
pd_productuse:reagent
Delivery Time:large stock
Purity:99% purity
Fluorescein Sodium Chemical Properties
Melting point 320 °C
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
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
F 3
TSCA Yes
HS Code 32041200
Toxicity LD50 in mice, rats (mg/kg): 4738, 6721 orally (Yankel, Loux)
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