Antioxidant 565
- CAS NO.:991-84-4
- Empirical Formula: C33H56N4OS2
- Molecular Weight: 588.95
- MDL number: MFCD00134696
- EINECS: 213-590-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-04-28 10:40:04
What is Antioxidant 565?
Chemical properties
Antioxidant 565 is a highly effective antioxidant. It prevents gel formation, changes to molecular weight and maintains excellent polymer color in unsaturated elastomers. This grade is highly effective at low concentrations and matches the performance of other stabilizers at higher levels. It exhibits non-staining and low volatility. It allows easy dispersion due to low melting point in elastomeric substrates using melt compounding techniques. It can be incorporated into process streams by dissolving in suitable organic solvents or aromatic extender oils.
Definition
ChEBI: 4-((4,6-bis(octylthio)-1,3,5-triazin-2-yl)amino)-2,6-di-tert-butylphenol is a member of triazines.
Flammability and Explosibility
Not classified
Synthesis
By taking 2,6-di-tert-butylphenol as the raw material, and then adding sodium nitrite solution dropwise to form an intermediate product of 2,6-di-tert-butyl-4-nitrosophenol solution, with the added Rayon Nickel is used as a catalyst and carbon monoxide is used instead of hydrogen as a reducing agent to overcome hydrogen as a reducing agent. The pressure in the hydrogenation process is high, which is prone to explosion problems. At the same time, iron crystals are added to remove excess carbon monoxide and avoid the effects of carbon monoxide toxicity. The impurities are removed by filtration, and other by-products will not be formed, which can greatly increase the yield of antioxidant 565, and the product purity is high.
Properties of Antioxidant 565
Melting point: | 92-95 °C |
Boiling point: | 670.7±65.0 °C(Predicted) |
Density | 1.07±0.1 g/cm3(Predicted) |
storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
solubility | Chloroform (Slightly), Methanol (Slightly) |
form | Solid |
pka | 12.27±0.70(Predicted) |
color | White to Off-White |
EPA Substance Registry System | Phenol, 4-[[4,6-bis(octylthio)-1,3,5-triazin-2-yl]amino]-2,6-bis(1,1-dimethylethyl)- (991-84-4) |
Safety information for Antioxidant 565
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H332:Acute toxicity,inhalation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Antioxidant 565
InChIKey | QRLSTWVLSWCGBT-UHFFFAOYSA-N |
SMILES | C1(O)=C(C(C)(C)C)C=C(NC2=NC(SCCCCCCCC)=NC(SCCCCCCCC)=N2)C=C1C(C)(C)C |
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