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ethoxyquin
quinoline, 6-ethoxy-1, 2-dihydro-2,2,4-trimethyl-

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Name:6-ethoxy-2,2,4-trimethyl-1H-quinoline
CAS Number: 91-53-2Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:202-075-7
FDA UNII:9T1410R4OR
Nikkaji Web:J3.556D
Beilstein Number:0158223
MDL:MFCD00023883
XlogP3-AA:3.10 (est)
Molecular Weight:217.31163000
Formula:C14 H19 N O
BioActivity Summary:listing
NMR Predictor:Predict (works with chrome or firefox)
Category:antioxidant for preservation of color
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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FDA Mainterm (SATF):91-53-2 ; ETHOXYQUIN
FDA Regulation:
FDA PART 172 -- FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION
Subpart B--Food Preservatives
Sec. 172.140 Ethoxyquin.


FDA PART 177 -- INDIRECT FOOD ADDITIVES: POLYMERS
Subpart C--Substances for Use Only as Components of Articles Intended for Repeated Use
Sec. 177.2600 Rubber articles intended for repeated use.


FDA PART 73 -- LISTING OF COLOR ADDITIVES EXEMPT FROM CERTIFICATION
Subpart A--Foods
Sec. 73.275 Dried algae meal.


FDA PART 73 -- LISTING OF COLOR ADDITIVES EXEMPT FROM CERTIFICATION
Subpart A--Foods
Sec. 73.295 Tagetes (Aztec marigold) meal and extract.
 
Physical Properties:
Food Chemicals Codex Listed: No
Boiling Point: 332.00 to 333.00 °C. @ 760.00 mm Hg (est)
Vapor Pressure:0.000140 mmHg @ 25.00 °C. (est)
Flash Point: 280.00 °F. TCC ( 137.80 °C. ) (est)
logP (o/w): 4.105 (est)
Soluble in:
 water, 17.46 mg/L @ 25 °C (est)
 
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
BOC Sciences
For experimental / research use only.
Ethoxy quinoline >90.0%(GC)
Odor: characteristic
Use: Antioxidant in feed and food; antidegradation agent for rubber.
Penta International
ETHOXYQUIN
Prinova
Ethoxyquin dry; powder
Santa Cruz Biotechnology
For experimental / research use only.
Ethoxyquin ≥90%
Sigma-Aldrich
For experimental / research use only.
Ethoxyquin PESTANAL®, analytical standard
TCI AMERICA
For experimental / research use only.
6-Ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline [Antioxidant for rubber] >90.0%(GC)
 
Safety Information:
Preferred SDS: View
 
Hazards identification
 
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
oral-rat LD50 800 mg/kg
Rubber Chemistry and Technology. Vol. 45, Pg. 627, 1972.

oral-mouse LD50 1584 mg/kg
BEHAVIORAL: ATAXIA BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA
Toksikologicheskii Vestnik. Vol. (6), Pg. 29, 1997.

intravenous-mouse LD50 178 mg/kg
BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: COMA
Journal of Agricultural and Food Chemistry. Vol. 7, Pg. 203, 1959.

intraperitoneal-mouse LD50 200 mg/kg
National Technical Information Service. Vol. AD277-689

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
 
Safety in Use Information:
Category: antioxidant for preservation of color
Recommendation for ethoxyquin usage levels up to:
 not for fragrance use.
 
Recommendation for ethoxyquin flavor usage levels up to:
 not for flavor use.
 
Safety References:
European Food Safety Authority (EFSA) reference(s):

Reasoned opinion on the review of the existing maximum residue levels (MRLs) for ethoxyquin according to Article 12 of Regulation (EC) No 396/2005
View page or View pdf

Safety and efficacy of ethoxyquin (6-ethoxy-1,2-dihydro-2,2,4-trimethylquinoline) for all animal species
View page or View pdf

EPI System: View
NLM Hazardous Substances Data Bank:Search
Chemical Carcinogenesis Research Information System:Search
Cancer Citations:Search
Toxicology Citations:Search
Carcinogenic Potency Database:Search
EPA GENetic TOXicology:Search
Env. Mutagen Info. Center:Search
NLM Developmental and Reproductive Toxicity:Search
EPA Substance Registry Services (TSCA):91-53-2
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :3293
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:2
6-ethoxy-2,2,4-trimethyl-1H-quinoline
Chemidplus:0000091532
EPA/NOAA CAMEO:hazardous materials
RTECS:VB8225000 for cas# 91-53-2
 
References:
 6-ethoxy-2,2,4-trimethyl-1H-quinoline
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:91-53-2
Pubchem (cid):3293
Pubchem (sid):134971574
 
Other Information:
(IUPAC):Atomic Weights of the Elements 2009
(IUPAC):Atomic Weights of the Elements 2009 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Substances Added to Food (formerly EAFUS):View
FDA Indirect Additives used in Food Contact Substances:View
CHEBI:View
CHEMBL:View
Golm Metabolome Database:Search
KEGG (GenomeNet):C07475
HMDB (The Human Metabolome Database):HMDB39531
FooDB:FDB019147
Export Tariff Code:2933.49.1000
FDA Listing of Food Additive Status:View
Haz-Map:View
MedlinePlusSupp:View
ChemSpider:View
Wikipedia:View
RSC Learn Chemistry:View
Formulations/Preparations:
•usepaopp pesticide code 055501; trade names: stop-scald. •emulsifiable concentrate
 
Potential Blenders and core components note
None Found
 
Potential Uses:
None Found
 
Occurrence (nature, food, other):note
 not found in nature
 
Synonyms:
 antage AW
 antioxidant EC
1,2-dihydro-2,2,4-trimethyl-6-ethoxyquinoline
1,2-dihydro-6-ethoxy-2,2,4-trimethyl quinoline
1,2-dihydro-6-ethoxy-2,2,4-trimethylquinoline
6-ethoxy-1,2-dihydro-2,2,4-trimethyl quinoline
6-ethoxy-1,2-dihydro-2,2,4-trimethylquinoline
6-ethoxy-2,2,4-trimethyl-1, 2-dihydroquinoline
6-ethoxy-2,2,4-trimethyl-1,2-dihydro-quinoline
6-ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline
6-ethoxy-2,2,4-trimethyl-1H-quinoline
 ethoxyquine
6-(ethyloxy)-2,2,4-trimethyl-1,2-dihydroquinoline
6-ETMDQ
 nocrac AW
 nocrack AW
 permanax 103
 quinol ED
 quinoline, 6-ethoxy-1, 2-dihydro-2,2,4-trimethyl-
 quinoline, 6-ethoxy-1,2-dihydro-2,2,4-trimethyl-
 santoflex
 santoflex A
 santoflex aw
 santoquin
 santoquine
 stop-scald
2,2,4-trimethyl- 6-ethoxy-1,2-dihydroquinoline
2,2,4-trimethyl-6-ethoxy-1,2-dihydroquinoline
 
 
Notes:
antioxidant; also a post-harvest dip to prevent scald on apples and pears. Antioxidant used in animal feeds and for the preservation of colour in the production of chili powder, paprika and ground chilli. Formerly used as an agricultural pesticide/herbicide, now superseded . Also used as a post-harvest dip for apples and pears to prevent scald
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