Zinc bis(4-hydroxybenzenesulphonate)
Time: 2013-05-31 02:05:25
Zinc bis(4-hydroxybenzenesulphonate)
Synonyms
Zinc phenolsulfonate;
Benzenesulfonic acid, 4-hydroxy-, zinc salt (2:1);
Zinc p-phenolsulfonate;
4-Hydroxybenzenesulfonic acid, zinc salt;
Zinc sulfocarbolate;
Category
Anionic Surfactant
>> Sulfonate
>> Aryl Sulfonate
>> Phenol Group Sulfonate
>> Phenol Sulfonate
Chemical Numbering System
CASRN127-82-2
EINECS204-867-8
Molecular Formula & Molecular Weight
Molecular Formula: C12H10O8S2Zn; C12H12O8S2.Zn
Molecular Weight: 411.74
Structure
Properties
Appearance    (1), solid.
Solubility    soluble in water.
Stability    stable.
Risk    Solid form: flammable material; irritation, moderate 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.6) label:  
Animal Toxicity
Table 1 Animal toxicity values
guinea pig skin LD
> 3000mg/kg[1]
mouse oral LD50
3000mg/kg[1]
mouse intraperitoneal LD50
172mg/kg[1]
rat inhalation LC
> 208000mg/m3/1h[1]
rat intraperitoneal LD50
225mg/kg[1]
rat oral LD50
1800mg/kg[1]
Ecology    may be hazardous to environment. Water body should be given special attention.
Biodegradability    biodegradable.
Characteristics    excellent antimicrobial, antibacterial, preservative, deodorant, dispersing abilities.
Synthesis
At low temperatures, phenol and chlorosulfonic acid or concentrated sulfuric acid or fuming sulfuric acid react through reactor, then zinc hydroxide neutralizes, finally obtain product.
Quality Standards & Test Methods
1. Physical and chemical indexes
Item
Physical and chemical indexes
Solid
Actives, %, ≥
90.0
Test Methods
(1), Actives
GB/T 5173 Surface active agents and detergents-Determination of anionic-active matter by direct two-phase titration procedure
ISO 2271 Surface active agents -- Detergents -- Determination of anionic-active matter by manual or mechanical direct two-phase titration procedure
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 antibacterial agent, antimicrobial agent.
Use as deodorant.
2. Personal care products
Antimicrobial agent, deodorant, antiperspirant agent in personal care products.
*  *  *  *  *  *
Further information:
(1), In accordance with EU regulations (EC) No 1223/2009, directive 82/368/EEC, zinc phenolsulfonate is included in Annex III/25.
Can be applied to deodorants, antiperspirants and astringent lotions.
Maximum concentration is 6% (as anhydrous zinc phenolsulfonate).
3. Organic Synthesis
Use as intermediate in organic synthesis.
Manufacturers
 
References
[1]: ChemIDplus. 127-82-2, Zinc Phenolsulfonate
Update: 20131025(1); 20170413(2);