365bet娱乐

Colour Index?

45350

Melting point?

320?°颁(濒颈迟.)

storage temp.?

room temp

solubility?

Solubility Insoluble in water, ether, benzene, chloroform; soluble in ethanol, methanol, acetone, Iethyl acetate, N,N-dimethylformamide

Merck?

14,4159

color?

Red to orange

refractive index?

1.5000 (estimate)

form?

Powder

EPA Substance Registry System

Fluorescein (2321-07-5)

λ尘补虫

493.5nm, 496nm, 460nm, 515nm

Water Solubility?

insoluble

density?

1.2739 (rough estimate)

Stability

Stable. Combustible. Incompatible with strong oxidizing agents.

Boiling point?

429.44°C (rough estimate)

pka

2.2, 4.4, 6.7(at 25℃)

PH Range

Pink  uorescence (4.0) to green  uorescence (6.0)

BRN?

94324

CAS DataBase Reference

2321-07-5(CAS DataBase Reference)

Major Application

Organic light-emitting diode, nanoparticles, liquid crystal display, oil products, lip make-up, nucleic acid synthesis, amplification, sequencing and cloning, diagnosis of diabetic retinopathy, detecting yeast, multidrug resistance, proteins, antiHCV antibodies, target genes, enzymatic activity, nerve agent, nucleic acid sequences, imaging lung cancer, prostate cancer

Biological Applications

Detecting chromosomal aberration; diagnosing corneal diseases; marking/detecting insects; as antitumor agent; as antihistaminic agent; use in agriculture and plant cultivation; use in cosmetics; use in ophthalmology; as a substrate for measuring α-amylases activity, elastases activity, esterases activity, β-glucuronidases activity, horseradish peroxidases activity, kinases activity, monoamine oxidases (MAOs) activity, phosphatases activity, phospholipases activity, proteases/proteinases activity, telomerases activity activity