Ethoxyquin CAS#91-53-2

Ethoxyquin CAS#91-53-2

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•Stable Supply: We have established strategic partnerships with leading domestic chemical manufacturers to ensure a stable supply and reliable product quality.
•Expert Technical Support: We assist you in precisely matching product specifications and resolving any technical challenges encountered during application.
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Highly Effective Antioxidant: Ethoxyquin is a synthetic antioxidant with high content (97.5%), providing strong oxidation resistance in applications.

Wide Solubility in Organic Solvents: It is soluble in various organic solvents such as benzene, gasoline, ether, alcohol, and acetone, enabling flexible formulation.

Stable Performance in Use: Although it may darken upon exposure to air and light, this change does not affect its functional performance.

Extensive Use in Food and Feed: It is widely applied as an antioxidant in food and feed industries, helping to extend shelf life and maintain product quality.
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Product Description

Melting point<0°C
Boiling point123-125°C
Density1.03 g/mL at 20 °C (lit.)
Vapor pressure0.035Pa at 25℃
Refractive index1.569~1.571
Fp137 °C
Storage temp2-8°C
Solubilityethanol: 50 mL/L, clear, brown
Pka5.02±0.70(Predicted)
ColorYellow to Very Dark Brown
Water Solubility<0.1 g/100 mL at 20 ºC
Merck143753
BRN158223
StabilityStable. Combustible. Incompatible with oxidizing agents, strong acids. Polymerizes if heated. May polymerize upon exposure to light and air.
InChIKeyDECIPOUIJURFOJ-UHFFFAOYSA-N
LogP3.39
CAS DataBase Reference91-53-2(CAS DataBase Reference)
NIST Chemistry ReferenceQuinoline, 6-ethoxy-1,2-dihydro-2,2,4-trimethyl-(91-53-2)
EPA Substance Registry SystemEthoxyquin (91-53-2)

Safety Information

Hazard CodesXn
Risk Statements22
Safety Statements24
RIDADR3082
WGK Germany1
RTECSVB8225000
F37478
HazardClass9
PackingGroupIII
HS Code29334900
Hazardous Substances Data91-53-2(Hazardous Substances Data)
ToxicityLD50 orally in rats, mice: 1920, 1730 mg/kg (Piul'skaya)


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