Fluorescent Brightener 236
[CAS# 3333-62-8]

Identification

• Name: Fluorescent Brightener 236
• Synonyms: 7-(2H-Naphtho[1,2-d]triazol-2-yl)-3-phenyl-2H-1-benzopyran-2-one; Hakkol PSR; Leucophor EGM
• Molecular Formula: C₂₅H₁₅N₃O₂
• Molecular Weight: 389.41
• CAS Registry Number: 3333-62-8
• EC Number: 222-067-7

Properties

• Solubility: Insoluble (2.3E^-5 g/L) (25 ºC), Calc.^*
• Density: 1.35±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 250-251 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2013 ACD/Labs)

^** Anon.; Federal Register 1976, V41(163), P35170-1.