Fluorescein suppliers

Fluorescein

CAS:: 2321-07-5

MF:: C20H12O5

MW:: 332.31

Properties

Melting point:：: 320 °C(lit.)

Boiling point:：: 429.44°C (rough estimate)

Density ：: 1.2739 (rough estimate)

refractive index ：: 1.5000 (estimate)

storage temp. ：: room temp

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

form ：: Powder

pka：: 2.2, 4.4, 6.7(at 25℃)

Colour Index ：: 45350

color ：: Red to orange

PH Range：: Pink uorescence (4.0) to green uorescence (6.0)

Water Solubility ：: insoluble

λmax：: 493.5nm, 496nm, 460nm, 515nm

Merck ：: 14,4159

BRN ：: 94324

Stability:：: Stable. Combustible. Incompatible with strong oxidizing agents.

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

LogP：: 2.980 (est)

SecurityInformation

Symbol(GHS) ：: GHS07

Signal word ：: Warning

Hazard statements ：: H319

Precautionary statements ：: P305+P351+P338

Hazard Codes ：: Xi

Risk Statements ：: 43-36-36/37/38

Safety Statements ：: 22-24/25-37/39-26-36/37/39-27

WGK Germany ：: 3

RTECS ：: LM5075000

F ：: 10-21

TSCA ：: Yes

HS Code ：: 32042000

Use：: Fluorescein is incompatible with strong oxidizers. Also incompatible with acids, acid salts and salts of heavy metals. .

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Shenyang Simchoice Chemical Co.,Ltd