Ethoxyquin powder

Public-database records for Ethoxyquin powder (CAS 91-53-2), reproduced here for independent cross-checking.

Safety classification and hazard statements

Regulatory listings

Physical description and handling notes

• Ethoxyquin is a clear light yellow to dark brown viscous liquid. Discolors and stains badly. Mercaptan-like odor. (NTP, 1992)
• 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]
• YELLOW LIQUID
• less than 32 °F (NTP, 1992)
• less than 1 mg/mL at 68 °F (NTP, 1992)
• 1.029 to 1.031 at 77 °F (NTP, 1992)

Reported physical properties

How this substance is indexed

Documented 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]
• Farming (Feed Additives) [Category: Industry]
• ANTIOXIDANT IN FEED & FOOD; ANTIDEGRADATION AGENT FOR RUBBER
• Antioxidant, used as post-harvest fruit-drop to prevent common scald of apples & pears in storge; Formerly added to poultry feeds & forage crops
• For more Uses (Complete) data for ETHOXYQUIN (11 total), please visit the HSDB record page.
• Pharmaceuticals -> Animal Drugs -> Approved in Taiwan

Names this substance appears under

ethoxyquin; 91-53-2; 6-Ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline; Santoquin; Ethoxyquine; Antioxidant EC; Stop-Scald; Nix-Scald; Santoquine; Niflex; Santoflex A; Santoflex AW; Dawe's nutrigard; Nocrack AW; Quinol ED; Aries Antox

Computed molecular descriptors

Database abstract

Ethoxyquin powder · CAS 91-53-2 · C14H19NO. UNII 9T1410R4OR. 沸点: 253 to 257 °F at 2 mmHg (NTP, 1992); 沸点: 123-125 °C AT 2 MM HG; 熔点: Approximately 0 °C.

Source: PubChem / Wikidata; the batch COA governs where values differ.