Fluorescent Brightener 220
time:2015-01-04 13:03:38,count:0

Fluorescent Brightener 220
Alias
C.I. Fluorescent Brightener 220
2,2'-Stilbenedisulfonic acid, 4,4'-bis((4-(bis(2-hydroxyethyl)amino)-6-(p-sulfoanilino)-s-triazin-2-yl)amino)-, tetrasodium salt
Category
Zwitterionic surfactants-Amino sulfonic acid
CAS No.
16470-24-9
Molecular Formula & Molecular Weight
Molecular Formula: C40H40N12Na4S4O16
Molecular Weight: 1165.04
Structural Formula
Properties
Appearance: solid.
Solubility: soluble in water.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: rat oral LD50: 5300mg/Kg; rat skin LD50: > 4mL/Kg.
Ecology: May be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent antistatic, dispersing abilities.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
actives, %,≥
95
 
Major Uses
Use as fluorescent brightener.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 16470-24-9

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