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Substance Name: C.I. Fluorescent Brightener 220
RN: 16470-24-9
UNII: 25E83C4F3U
InChIKey: CPZFDTYTCMAAQX-MBCFVHIPSA-J

Molecular Formulas

  • C40-H40-N12-O16-S4.4Na
  • C40-H44-N12-O16-S4.4Na

Molecular Weight

  • 1165.048
 
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Names and Synonyms

Results Name

  • C.I. Fluorescent Brightener 220

Name of Substance

  • Fluorescent brightener 220

Synonyms

  • 2,2'-Stilbenedisulfonic acid, 4,4'-bis((4-bis(2-hydroxyethyl)amino)-6-(p-sulfoanilino)-s-triazin-2-yl)amino)-, tetrasodium salt
  • 4,4'-Bis((4-(bis(2-hydroxyethyl)amino)-6-(p-sulfoanilino)-s-triazin-2-yl)amino)-2,2'-stilbenedisulfonic acid tetrasodium salt
  • Blancofor BBU
  • Blankophor BBU
  • C.I. Fluorescent Brightener 220
  • EC 240-521-2
  • EINECS 240-521-2
  • Fluorescent brightener 220
  • Leucophor U
  • UNII-25E83C4F3U

Systematic Names

  • 2,2'-Stilbenedisulfonic acid, 4,4'-bis((4-(bis(2-hydroxyethyl)amino)-6-(p-sulfoanilino)-s-triazin-2-yl)amino)-, tetrasodium salt
  • Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-(bis(2-hydroxyethyl)amino)-6-((4-sulfophenyl)amino)-1,3,5-triazin-2-yl)amino)-, sodium salt (1:4)
  • Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-(bis(2-hydroxyethyl)amino)-6-((4-sulfophenyl)amino)-1,3,5-triazin-2-yl)amino)-, tetrasodium salt
  • Tetrasodium 4,4'-bis((4-(bis(2-hydroxyethyl)amino)-6-(4-sulphonatoanilino)-1,3,5-triazin-2-yl)amino)stilbene-2,2'-disulphonate
  • Tetrasodium 4,4'-bis((4-(bis(2-hydroxyethyl)amino)-6-(4-sulphonatoanilino)-1,3,5-triazin-2-yl)amino)stilbene-2,2'-disulphonate)

Superlist Names

  • 2,2'-Stilbenedisulfonic acid, 4,4'-bis((4-(bis(2-hydroxyethyl)amino)-6-(p-sulfoanilino)-s-triazin-2-yl)amino)-, tetrasodium salt
  • Fluorescent whitening agent (stilbene-based)

Registry Numbers

CAS Registry Number

  • 16470-24-9

FDA UNII

  • 25E83C4F3U

Other Registry Numbers

  • 115469-16-4
  • 153796-51-1

System Generated Number

  • 0016470249

Molecular Formulas

Molecular Formulas

  • C40-H40-N12-O16-S4.4Na
  • C40-H44-N12-O16-S4.4Na

Molecular Formula Fragments

  • C40-H40-N12-O16-S4
  • C40-H44-N12-O16-S4
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C40H44N12O16S4.4Na/c53-19-15-51(16-20-54)39-47-35(41-27-7-11-31(12-8-27)69(57,58)59)45-37(49-39)43-29-5-3-25(33(23-29)71(63,64)65)1-2-26-4-6-30(24-34(26)72(66,67)68)44-38-46-36(48-40(50-38)52(17-21-55)18-22-56)42-28-9-13-32(14-10-28)70(60,61)62;;;;/h1-14,23-24,53-56H,15-22H2,(H,57,58,59)(H,60,61,62)(H,63,64,65)(H,66,67,68)(H2,41,43,45,47,49)(H2,42,44,46,48,50);;;;/q;4*+1/p-4/b2-1+;;;;

InChIKey

CPZFDTYTCMAAQX-MBCFVHIPSA-J

Smiles

[Na+].[Na+].[Na+].[Na+].OCCN(CCO)c1nc(Nc2ccc(cc2)S(=O)(=O)[O-])nc(Nc3ccc(\C=C\c4ccc(Nc5nc(Nc6ccc(cc6)S(=O)(=O)[O-])nc(n5)N(CCO)CCO)cc4S(=O)(=O)[O-])c(c3)S(=O)(=O)[O-])n1

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral 5300mg/kg (5300mg/kg)   MVC-Report. Vol. 2, Pg. 193, 1973.
rat LD50 skin > 4mL/kg (4mL/kg)   MVC-Report. Vol. 2, Pg. 193, 1973.