Fluorescein isothiocyanate isomer I

Melting point :>360 °C(lit.)
Boiling point :708.6±60.0 °C(Predicted)
Density :1.3423 (rough estimate)
refractive index :1.5060 (estimate)
storage temp. :2-8°C
solubility :Slightly soluble in DMSO, ethanol, methanol DMF and acetone
form :powder
pka :2.2, 4.4, 6.7(at 25℃)
color :White
PH Range :Weak green uorescence (6.0) to strong green uorescence (7.2)
Water Solubility :practically insoluble
Sensitive :Moisture Sensitive
λmax :490nm
BRN :1407295
Stability :Stability Stable, but moisture-sensitive. Incompatible with strong oxidizing agents, strong bases, amines, acids.
Major Application :Magnetic nanowires, immunoassays, analyzing proteins, identifying chromosomes, Salmonella mosomes, diagnosis of cancer, kidney diseases, detecting pathogens, genes, Salmonella cells, toxoplasmosis, enzyme-mediated nucleic acid cleavage, surface molecules on colorectal cancers, treating cancer, chronic lymphocytic leukemia
Biological Applications :Analyzing sugar chain; detecting iodide/iodate or total iodine; detecting/imaging thiols; detecting/quantifying biotin derivatives;16 diagnosing classical Hodgkin lymphoma (CHL) in lymph nodes; cellulose nanocrystals for bioimaging applications; treating neuroinflammation; treating/diagnosing cancer; PEO-PCL-PEO triblock copolymers for topical delivery; polymersomes in biomedical or cosmetic applications;apoptosis assay; as a substrate for measuring heparanase activity, human immunodeficiency virus (HIV-1) proteinase activity, kinase activity, phosphatase activity, β-lactamase activity, transglutaminase (TG2) activity; implantable drug-delivery devicess
InChIKey :MHMNJMPURVTYEJ-UHFFFAOYSA-N
CAS DataBase Reference :3326-32-7(CAS DataBase Reference)
EPA Substance Registry System :Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-5-isothiocyanato- (3326-32-7)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P280 Wear protective gloves/protective clothing/eye protection/face protection. P284 Wear respiratory protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P333+P313 IF SKIN irritation or rash occurs: Get medical advice/attention.