C.I. Fluorescent brightener 28, disodium salt
time:2015-07-13 16:03:07,count:0

C.I. Fluorescent brightener 28, disodium salt
Alias
C.I. 40622
Cellufluor
Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-(bis(2-hydroxyethyl)amino)-6-(phenylamino)-1,3,5-triazin-2-yl)amino)-, disodium salt
Category
Zwitterionic surfactants-Amino sulfonic acid
CAS No.
4193-55-9
Molecular Formula & Molecular Weight
Molecular Formula: C40H42N12Na2S2O10
Molecular Weight: 960.95
Structural Formula
Properties
Appearance: yellow powder.
Solubility: soluble in water.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: guinea pig oral LD50: 250mg/Kg;
mouse oral LD50: > 10000mg/Kg;
mouse subcutaneous LD50: 1000mg/Kg;
rabbit skin LD50: > 2000mg/Kg;
rat intraperitoneal LD50: 350mg/Kg;
rat oral LD50: 14530mg/Kg.
Ecology: May be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent masking, dispersing abilities.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
actives, %,≥
95
 
Major Uses
Use as fluorescent brightener. eg: paper, textile.
Use as dye.
Applied in biochemistry research.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 4193-55-9

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