1,2,3-Benzotriazole
Synonyms
1H-Benzotriazole;
Benzotriazole;
BTA;
Category
Non-ionic surfactant
> Amine
>> Heteroaromatic Amine
>>> Triazole and its Derivatives
Chemical Numbering System
CAS: 95-14-7
EINECS: 202-394-1
Molecular Formula & Molecular Weight
Molecular Formula: C6H5N3
Molecular Weight: 119.12
Structure
Properties
Appearance (1), white powder.
Solubility soluble in water. Soluble in ethanol, benzene.
Physical - chemical properties
|
Water solubility, g/L |
19.8 (25 °C)[1] |
Stability stable. Easily oxidized.
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 label: 
Animal Toxicity
Table 1 Animal toxicity values
|
guinea pig oral LD50 |
500mg/kg[2] |
|
mouse intraperitoneal LD50 |
400mg/kg[2] |
|
mouse intravenous LD50 |
238mg/kg[2] |
|
mouse oral LD50 |
615mg/kg[2] |
|
rabbit skin LD50 |
450mg/kg[2] |
|
rat inhalation LC50 |
1910mg/m3/3H[2] |
|
rat oral LD50 |
560mg/kg[2] |
|
rat skin LD50 |
> 1000mg/kg[2] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent anticorrosive, antimicrobial, antibacterial, preservative, antirust, antistatic, dispersing, lubricating 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), 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 3824 Benzotriazole
4, 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, according to local regulations and standards.
Major Uses
1, Typical applications
Use as anticorrosive agent.
Use as lubricant.
Use as UV absorber.
Use as intermediate in organic synthesis. For example, used in synthesis of dyes, pharmaceuticals, fungicides.
Use as antifreeze.
2, Personal care products
Antimicrobial agent in personal care products.
3, Polymer
UV absorbing agent in paints, polymers, resins, plastics.
4, Machinery
Corrosion inhibitor in metal processing, metal cleaning. Excellent corrosion inhibiting effect to copper.
5, Optics
Anti-fogging agent in light-sensitive industry.
Manufacturers
References
[1]: HSDB. 95-14-7, 1,2,3-Benzotriazole
[2]: ChemIDplus. 95-14-7, 1,2,3-Benzotriazole
Update: 20130918(1); 20200830(2);