Agent Name

Ethoxyquin

CAS Number

91-53-2

Formula

C14-H19-N-O

Major Category

Other Uses

Synonyms

1,2-Dihydro-2,2,4-trimethyl-6-ethoxyquinoline; 1,2-Dihydro-6-ethoxy-2,2,4-trimethylquinoline; 2,2,4-Trimethyl-6-ethoxy-1,2-dihydroquinoline; 6-Ethoxy-1,2-dihydro-2,2,4-trimethylquinoline; 6-Ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline; Alterungsschutzmittel EC; Amea 100; Antage AW; Antioxidant EC; Aries Antox; Dawe's nutrigard; EMQ; EQ; Ethoxychin [Czech]; Ethoxyquin [ISO]; Ethoxyquine; Niflex; Niflex D; Nix-Scald; Nocrac AW; Nocrack AW; Permanax 103; Quinol ED; Quinoline, 6-ethoxy-1,2-dihydro-2,2,4-trimethyl-; Santoflex A; Santoflex AW; Santoquin; Santoquine; Santoquine (VAN); Stop-Scald; [ChemIDplus]

Category

Animal Feed Additives

Description

Yellow liquid; [Merck Index] Light yellow to dark brown viscous liquid with an odor like mercaptans; Darkened by light and air; [CAMEO] Formulated as an emulsifiable concentrate and an impregnated wrap; [Reference #2] Dark brown liquid; [Aldrich MSDS]

Sources/Uses

Used as an additive to animal feed; [Kanerva, p. 1793] Used as an antioxidant for food and feed and as anti-degradation agent for rubber; [Merck Index] Also used as a post-harvest dip for apples and pears; [ChemIDplus] Registered in the US as an antioxidant for the control of post-harvest scald (browning) in pears; Also registered with the FDA as a preservative for animal feed, dehydrated crops, sorghum, and for color preservation in chili powder, paprika, and ground chili; [Reference #2]

Comments

Allergic contact dermatitis reported in a feed mill worker; [Kanerva, p. 1793] A skin irritant; May cause reversible changes to the liver; Reports of contact dermatitis in animal feed employees; [HSDB] May polymerize on exposure to light and air; A skin and eye irritant; May cause skin sensitization; [CAMEO] Strongly associated with cases of occupational contact dermatitis; Causes increased liver enzymes in animal experiments; [Reference #2]

Reference Link

Occupational dermatitis in animal feed mill workers

Exposure Assessment
Vapor Pressure

0.000132 mm Hg

Reference Link

EPA Pesticide Chemical Search

Adverse Effects
Skin Sensitizer

Yes

Hepatotoxin

Hepatotoxin, Secondary

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: