Disodium distyrylbiphenyl disulfonate
Time: 2012-10-01 09:26:42

Disodium distyrylbiphenyl disulfonate

Synonyms

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;

Tinopal CBS;

Tinopal CBS-X;

Stilbene 3;

Category

Anionic Surfactant

> Sulfonate

>> Aryl Sulfonate

>>> Distyrylbiphenyl Group Sulfonate

>>>> Distyrylbiphenyl Sulfonate

Chemical Numbering System

CASRN27344-41-8

EINECS248-421-0

Molecular Formula & Molecular Weight

Molecular Formula: C28H20Na2O6S2; C28H22O6S2.Na2

Molecular Weight: 562.56

Structure

Properties

Appearance    (1), pale yellow-green solid; (2), liquid.

Solubility    soluble in water.

Stability    stable.

Risk    Solid form: flammable material; irritation, irritation to skin, eye, respiratory. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.

GHS (Rev.7) label:  

Animal Toxicity

Table 1 Animal toxicity values

rat oral LD50

5580mg/kg[1]

rat skin LD50

> 1000mg/kg[1]

mouse oral LD50

4920mg/kg[1]

hamster oral LD50

6030mg/kg[1]

rabbit skin LD50

2500mg/kg[1]

Reproductive effect[1].

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.

Note    (1), Avoid using in children products, such as makeup.

Synthesis

Refer to:

NIU Yu-lan, XUE Xiao-li, CHEN Zhi-min. Improvement of synthesis of fluorescent whitening agent CBS. China Surfactant Detergent & Cosmetics, 2003, 33(3): 197-199, etc.

Quality Standards & Test Methods

1, Physical and chemical indexes

Item

Physical and chemical indexes

Solid

Actives, %, ≥

95.0

Test Methods

(1), Actives

 

2, Hazardous substances indexes

Item

Hazardous substances indexes

Solid

Heavy metals (as Pb), mg/Kg, ≤

20

As, mg/Kg, ≤

3

Test Methods

(1), Heavy metals (as Pb)

Safety and Technical Standards for Cosmetics (2015 Edition)

GB/T 30799 The test method of food detergents - Determination of heavy metals

(2), As

Safety and Technical Standards for Cosmetics (2015 Edition)

GB/T 30797 The test method of food detergents - Determination of total arsenic

3, Further explanation

(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.

(b), Used in cosmetics, should be test for harmful substances; or furtherly test for microorganisms.

Major Uses

1, Typical applications

Use as fluorescent brightener.

Use as UV absorbing agent.

2, Household cleaning products

Use as fluorescent brightener widely. For example: washing powder.

3, Personal care products

Conditioning agent, thickening agent, UV absorbing agent in personal care products.

Manufacturers

 

References

[1]: ChemIDplus. 27344-41-8, Disodium 4,4'-bis(2-sulfostyryl)biphenyl

Update: 20131025(1); 20170424(2);