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2',7'-Dichlorofluorescein Structure

2',7'-Dichlorofluorescein

Chemical Properties

Melting point 280 °C (dec.)(lit.)
Boiling point 514.77°C (rough estimate)
Density  0.79 g/mL at 20 °C
refractive index  1.5300 (estimate)
Flash point 12°C (53.6°F)
storage temp.  room temp
solubility  alcohol: passes test
pka 4.46(at 25℃)
form  crystalline
color  orange to red-brown, powder
PH Range 4.0 (colorless) - 6.6 (green)
Water Solubility  Soluble in ethanol and methanol. Slightly dimethyl sulfoxide. Insoluble in water.
λmax 509nm
BRN  58009
Stability Stable. Incompatible with strong oxidizing agents.
Major Application Electroluminescent devices, sol-gel silica films, integrated circuits, photoresists, lithographic printing plates, recording material, LED devices, photoconductors, Solid-state dye laser, lithographic printing plates, inks, Fluorescent pH sensors, emissive probes, chemotherapeutic treatment of disease, phototherapeutic treatment of disease, photodynamic treatment of disease
InChIKey NZVMJBGGAQSNLI-UHFFFAOYSA-N
CAS DataBase Reference 76-54-0(CAS DataBase Reference)
FDA UNII 56NQM5UZT1
EPA Substance Registry System Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 2',7'-dichloro-3',6'-dihydroxy- (76-54-0)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H315-H319
Precautionary statements P280i-P305+P351+P338-P337+P313-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
Hazard Codes  Xi,F
Risk Statements  36/37/38-36-67-11
Safety Statements  26-36-16
RIDADR  UN 1219 3/PG 2
WGK Germany  3
RTECS  NT8050000
TSCA  Yes
HS Code  3204 19 00
NFPA 704:
1
2 0

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