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Registry of Toxic Effects of Chemical Substances (RTECS)

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

RTECS #

GD0120200

CAS #

16470-24-9

Updated

July 2010

Molecular Weight

1165.12

Molecular Formula

C40H40N12O16S4·4Na

Synonyms

Blancofor BBU
Blankophor BBU
C.I. Fluorescent Brightener 220
Fluorescent Brightener 220
Leucophor U

Reproductive Effects Data and References

Route/OrganismDoseEffectReference
oral/rabbit 17600 mg/kg (7-28D pregnant)Reproductive: Other effects on femaleHPV385 -,-,2005

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
oral/rat lethal dose (50 percent kill): 5300 mg/kgMVCRB3 2,193,1973
skin/rat lethal dose (50 percent kill): >4 mL/kgMVCRB3 2,193,1973
skin/rat lethal dose (50 percent kill): >2000 mg/kgHPV385 -,-,2005

Other Multiple Dose Data and References

Route/OrganismDoseEffectReference
oral/rabbit lowest published toxic dose: 17600 mg/kg/22D- intermittentBehavioral: Convulsions or effect on seizure threshold

Gastrointestinal: Hypermotility, diarrhea

Related to Chronic Data: Death in the "MULTIPLE DOSE" data type field
HPV385 -,-,2005

Status in Federal Agencies

OrganizationReference
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001
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