CAS No. 7128-64-5

Molecular Formula: C26H26N2O2

Appearance	Bright Yellowish Green powder
Assay(%)	≥ 99%
M.P. (℃ )	200-210
VOL.(%)	≤ 0.5%
Ash specification	≤ 1000PPM
Solubility	Clear

Product Name: Fluorescent Brightener 184
Synonyms: UVITEX 2B;UVITEX(R) 2B;UVITEX OB;
2,2'-(2,5-thiophenediyl)bis(5-(1,1-dimethylethyl)-benzoxazol;
2,2'-(2,5-thiophenediyl)bis(5-tert-butyl-benzoxazol;
2,2'-(2,5-thiophenediyl)bis[5-(1,1-dimethylethyl)-benzoxazol

Product Categories: Industrial/Fine Chemicals;
Organics;Electroluminescence;
Functional Materials

Fluorescent Brightener 184 Chemical Properties
mp 199-201 °C(lit.)
density 1.26
Merck 1014
BRN 631803
Stability: Stable. Incompatible with strong oxidizing agents.
Safety Information
Risk Statements 36/37/38
Safety Statements 24/25

Fluorescent Brightener 184 Usage And Synthesis
Chemical Properties light yellow-green crystals

Molecular Formula: C26H26N2O2S
Molecular Weight: 430.56
WGKGermany: 1
HS Code: 29349990

Melting point	199-201 ℃(lit.)
Boiling point	531.2±45.0 °C(Predicted)
Density	1.26
Refractive index	1.6360 (estimate)
Flash point	>350°C
LogP	8.6 at 25℃
Acidity coefficient (pKa)	3.03±0.10(Predicted)