Ethoxyquin

  • Santoquine
  • Antioxidant EC
  • 6-Ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline
  • 2,2,4-Trimethyl-1,2-dihydro-6-ethoxyquinoline
  • 1,2-Dihydro-2,2,4-trimethyl-6-ethoxyquinoline
  • 6-Ethoxy-1,2-dihydro-2,2,4-trimethylquinoline
Formula
C14H19NO
Structure
Description
Clear light yellow to dark brown viscous liquid. Discolors and stains badly. Mercaptan-like odor.
Uses
Medication, fungicide.

Registry Numbers and Inventories.
CAS
91-53-2
EC (EINECS/ELINCS)
202-075-7
EC Index Number
613-014-00-2
EC Class
Harmful
RTECS
VB8225000
RTECS class
Agricultural Chemical and Pesticide; Mutagen
Merck
12,3800
Beilstein/Gmelin
158223
Beilstein Reference
5-21-03-00095
EPA OPP
55501
Swiss Giftliste 1
G-4462
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C14H19NO
Formula mass
217.31
Boiling point, °C
123
Vapor pressure, mmHg
0.0000182
Density
1.03 g/cm3
Solubility in water
Insoluble
Refractive index
1.5592 (20 C)
pKa/pKb
8.65 (pKb)

Hazards and Protection.
Storage
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.
Respirators
Wear a NIOSH-approved half face respirator equipped with an organic vapor/acid gas cartridge (specific for organic vapors, HCl, acid gas and SO2) with a dust/mist filter.
Small spills/leaks
If you spill this chemical, FIRST REMOVE ALL SOURCES OF IGNITION. Then, use absorbent paper to pick up all liquid spill material. Your contaminated clothing and absorbent paper should be sealed in a vapor-tight plastic bag for eventual disposal. Solvent wash all contaminated surfaces with 60-70% ethanol followed by washing with a soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned.
Stability
No data.

Fire.
Fire fighting
Fires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. A water spray may also be used.
Fire potential
This chemical is combustible.

Health.
Poison_Class
4
Exposure effects
   Ingestion
See inhalation.
   Inhalation
Symptoms of exposure to this compound include skin irritation. It can cause eye irritation. It can also cause skin sensitization (allergic reactions), lacrimation, depression, reproductive effects, liver effects, kidney effects and thyroid effects. Dermatitis may also occur.
   Skin
See inhalation.
   Eyes
See inhalation

First aid
 
   Ingestion
DO NOT INDUCE VOMITING. If the victim is conscious and not convulsing, give 1 or 2 glasses of water to dilute the chemical and IMMEDIATELY call a hospital or poison control center. Be prepared to transport the victim to a hospital if advised by a physician.
   Inhalation
IMMEDIATELY leave the contaminated area; take deep breaths of fresh air. If symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop, call a physician and be prepared to transport the victim to a hospital. Provide proper respiratory protection to rescuers entering an unknown atmosphere. Whenever possible, Self-Contained Breathing Apparatus (SCBA) should be used.
   Skin
IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water. If symptoms such as redness or irritation develop, IMMEDIATELY call a physician and be prepared to transport the victim to a hospital for treatment.
   Eyes
First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.

Transport.