CAS No: 7128-64-5;12224-40-7;52232-33-4, Chemical Name: 2,5-Di(5-tert-butylbenzoxazol-2-yl)thiophene
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7128-64-5;12224-40-7;52232-33-4 2,5-Di(5-tert-butylbenzoxazol-2-yl)thiophene

product Name 2,5-Di(5-tert-butylbenzoxazol-2-yl)thiophene
Synonyms Fluorescent Brightener OB; Fluorescent brightening agent 184; Fluorescent Whitening Agent OB; Optical Brightening Agent OB; Fluorescent Brightener 184; C.I. 184; Fluorescent Brightener OB-4; Fluorescent brightening agent 184; Optical Brightner OB; BBOT; C.I. Fluorescent Brightener 362; Uvitex 2B; TINOPAL CBS-X; UVITEX OB; UVITEX(R) 2B; TOSLAB 644820; 2,5-BIS(5'-TERT-BUTYL-2'-BENZOXAZOLYL)THIOPHENE; 2,5-BIS(5-TERT-BUTYL-2-BENZOXAZOLYL)THIOPHENE; 2,5-BIS(5-TERT-BUTYL-BENZOXAZOL-2-YL)THIOPHENE; 2,5-BIS(5-TERT-BUTYLBENZOXAZOYL)-2-THIOPHENE; 2,5-BIS(5-T-BUTYL-2-BENZOXAZOLYL)THIOPHENE
Molecular Formula C26H26N2O2S
Molecular Weight 430.5618
InChI InChI=1/C26H26N2O2S/c1-25(2,3)15-7-9-19-17(13-15)27-23(29-19)21-11-12-22(31-21)24-28-18-14-16(26(4,5)6)8-10-20(18)30-24/h7-14H,1-6H3
CAS Registry Number 7128-64-5;12224-40-7;52232-33-4
EINECS 230-426-4
Molecular Structure 7128-64-5;12224-40-7;52232-33-4 2,5-Di(5-tert-butylbenzoxazol-2-yl)thiophene
Density 1.185g/cm3
Melting point 196-202℃
Boiling point 531.2°C at 760 mmHg
Refractive index 1.617
Flash point 275.1°C
Vapour Pressur 7.83E-11mmHg at 25°C
Hazard Symbols
Risk Codes
Safety Description S24/25:;