Fluorescent Brightener 367 Chemical Properties

Melting point:

210-212°C

Boiling point:

521.9±33.0 °C(Predicted)

Density 

1.320±0.06 g/cm3(Predicted)

storage temp. 

Sealed in dry,Room Temperature

form 

powder to crystal

pka

1.24±0.10(Predicted)

color 

Light yellow to Amber to Dark green

Water Solubility 

insoluble

InChI

InChI=1S/C24H14N2O2/c1-2-8-16-15(7-1)17(23-25-19-9-3-5-11-21(19)27-23)13-14-18(16)24-26-20-10-4-6-12-22(20)28-24/h1-14H

InChIKey

WFYSPVCBIJCZPX-UHFFFAOYSA-N

SMILES

C1(C2=NC3=CC=CC=C3O2)=C2C(C=CC=C2)=C(C2=NC3=CC=CC=C3O2)C=C1

LogP

7.57 at 25℃

CAS DataBase Reference

5089-22-5(CAS DataBase Reference)

EPA Substance Registry System

Benzoxazole, 2,2'-(1,4-naphthalenediyl)bis- (5089-22-5)

Safety Information

HS Code 

3204200090

Fluorescent Brightener 367 Usage And Synthesis

Chemical Properties

Fluorescent whitening agent 367 is yellowish green crystalline powder, non-toxic and tasteless, insoluble in water, soluble in acetone, carbon tetrachloride, dimethylmethylcoolamine, trimethylbenzene, polyvinyl chloride and toluene, slightly soluble in ethanol, isopropanol and methanol. The maximum absorption wavelength is 370nm, the maximum fluorescence emission wavelength is 437nm, excellent light and heat resistance, good chemical stability, does not react with foaming agent cross-linking agent, good compatibility with macromolecules, no exudation phenomenon.

Flammability and Explosibility

Not classified

Properties and Applications

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