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91-53-2

Name Ethoxyquin
CAS 91-53-2
EINECS(EC#) 202-075-7
Molecular Formula C14H19NO
MDL Number MFCD00023883
Molecular Weight 217.31
MOL File 91-53-2.mol

Chemical Properties

Appearance Transparent yellow or brown viscous liquid.
Melting point  <0°C
Boiling point  123-125°C
density  1.03 g/mL at 20 °C(lit.)
vapor pressure  0.035Pa at 25℃
refractive index  1.569~1.571
Fp  137 °C
storage temp.  0-6°C
solubility  ethanol: 50 mL/L, clear, brown
form  neat
pka 5.02±0.70(Predicted)
color  Yellow to Very Dark Brown to Thick
Stability: Stable. Combustible. Incompatible with oxidizing agents, strong acids. Polymerizes if heated. May polymerize upon exposure to light and air.
Water Solubility  <0.1 g/100 mL at 20 ºC
Usage Antioxidant in feed and food; antidegradation agent for rubber.
Merck  3753
BRN  158223
Contact allergens
Ethoxyquin is used as an antioxidant in animal feed and caused contact dermatitis in a worker at an animal feed mill
InChIKey DECIPOUIJURFOJ-UHFFFAOYSA-N
LogP 3.39
Uses
Ethoxyquin is an antioxidant used in the preservation of color in chili powder, ground chili, and paprika.
CAS DataBase Reference 91-53-2(CAS DataBase Reference)
NIST Chemistry Reference Quinoline, 6-ethoxy-1,2-dihydro-2,2,4-trimethyl-(91-53-2)
EPA Substance Registry System Ethoxyquin (91-53-2)

Safety Data

Hazard Codes  Xn
Risk Statements 
R22:Harmful if swallowed.
Safety Statements 
S24:Avoid contact with skin .
RIDADR  3082
WGK Germany  1
RTECS  VB8225000
2-8-10
HazardClass  9
PackingGroup  III
HS Code  29334900
Safety Profile
Poison by intraperitoneal route. Moderately toxic by ingestion. Mutation data reported. Combustible when exposed to heat or flame; can react with oxidizing materials. When heated to decomposition it emits toxic fumes of NOx.
Hazardous Substances Data 91-53-2(Hazardous Substances Data)
Toxicity
LD50 orally in rats, mice: 1920, 1730 mg/kg (Piul'skaya)

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