Zinc 2-mercaptobenzothiazolate
Synonyms
2(3H)-Benzothiazolethione, zinc salt (2:1);
2-Benzothiazolethiol, zinc salt (2:1);
Zinc di(benzothiazol-2-yl) disulphide;
Category
Zwitterionic Surfactant
> Phenate
Chemical Numbering System
CASRN: 155-04-4
EINECS: 205-840-3
Molecular Formula & Molecular Weight
Molecular Formula: C14H8N2S4Zn; C7H5N1S2.1/2Zn
Molecular Weight: 397.90
Structure
Properties
Appearance (1), solid.
Solubility slightly soluble in water.
Stability stable.
Risk Solid form: flammable material; irritation, irritation to skin, eye, respiratory system. Harmful products of combustion are CO, CO2, nitrogen oxides and so on. Contact with strong oxidants, can cause to burn.
GHS (Rev.10) label:
Animal Toxicity
Table 1 Animal toxicity values
mouse intraperitoneal LD50 |
200mg/kg[1] |
rat oral LD50 |
540mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent antimicrobial, antibacterial, preservative, dispersing, emulsifying, lubricating, anticorrosive abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
Item |
Physical and chemical indexes |
Solid |
|
Actives, %, ≥ |
95.0 |
Test Methods
(1), Actives
GB/T 13173 Surface active agents -- Detergents -- Testing methods
2, Hazardous substances indexes
Item |
Hazardous substances indexes |
Solid |
|
Heavy metals (as Pb, except Zn), 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, Product standards
(1), Chinese standards
(1a), HG/T 4780 Vulcanizing accelerator -- Zinc 2-mercaptobenzothiazole (ZMBT)
4, Further explanation
(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.
Major Uses
1, Typical applications
Use as antimicrobial agent, preservative.
Use as dispersing agent, emulsifying agent.
2, Polymer
Vulcanization accelerator in rubber.
3, Machinery
Corrosion inhibitor in metal working fluids, lubricating oils.
Manufacturers
References
[1]: ChemIDplus. 155-04-4, Zinc 2-mercaptobenzothiazolate
Update: 20190520(1);