Disodium distyrylbiphenyl disulfonate
time:2012-10-01 09:26:42,count:0

Disodium distyrylbiphenyl disulfonate
Alias
Benzenesulfonic acid, 2,2'-((1,1'-biphenyl)-4,4'-diyldi-2,1-ethenediyl)bis-, disodium salt
Disodium 4,4'-bis(2-sulfostyryl)biphenyl
FBA 351
Stilbene 3
Tinopal CBS
Tinopal CBS-X
Disodium 4,4'-bis-((4-anilino-6-(N-methyl-2-hydroxyethylamino)-1,3,5-triazin-2-yl)amino)stilbene-2,2'-disulfonate
Category
Anionic surfactants-Sulfonate
CAS No.
27344-41-8
Molecular Formula & Molecular Weight
Molecular Formula: C28H20Na2S2O6
Molecular Weight: 562.56
Structural Formula
Properties
Appearance: pale yellow solid; or liquid.
Solubility: soluble in water.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal toxicology[1]: rat oral LD50: 5580mg/Kg;
rat skin LD50: > 1000mg/Kg;
mouse oral LD50: 4920mg/Kg;
hamsters oral LD50: 6030mg/Kg;
rabbit skin LD50: 2500mg/Kg.
reproductive effect.
Ecology: May be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent UV absorbing, dispersing, emulsifying abilities. blue shade. resistant to chlorine bleach, oxygen bleach. resistant to acid, alkali.
Notes: not recommended in the personal care products used in direct contact with skin.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
Actives*, %, ≥
95
 
*: should be marked on molecular weight.
Major Uses
Use as fluorescent brighteners widely. eg: household cleaning products.
Use as UV absorbing agent.
Conditioning agent, thickening agent, UV absorbing agent in personal care products.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/:27344-41-8
Update: 20131025(1);

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