Ethoxyquin
A quinoline that is 1,2-dihydroquinoline bearing three methyl substituents at position 2, 2 and 4 as well as an ethoxy substituent at position 6. — ChEBI
Safety documents & references
1 indexed referencesFind a product-specific SDS
Safety guides and government classification records are not a manufacturer’s SDS. Match supplier, product number, concentration, physical form, region and revision before using a document.
Identity & molecular properties
Source-linked values| CAS number | 91-53-2 | ChEBI ↗ |
| Molecular formula | C14H19NO | ChEBI ↗ |
| Molar mass | 217.312 g/mol | ChEBI ↗ |
| Monoisotopic mass | 217.14666 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:77323 | ChEBI ↗ |
Names & structural identifiers
Copy any identifierethoxyquin6-ethoxy-2,2,4-trimethyl-1,2-dihydroquinolineDECIPOUIJURFOJ-UHFFFAOYSA-NCCOc1ccc2c(c1)C(C)=CC(C)(C)N2InChI=1S/C14H19NO/c1-5-16-11-6-7-13-12(8-11)10(2)9-14(3,4)15-13/h6-9,15H,5H2,1-4H3Names & synonyms
Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.
Classification & relationships
ChEBI ontologyRoles recorded in ChEBI
Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.
Safety classification · Japan
NITE / Japanese government6-Ethoxy-1,2-dihydro-2,2,4-trimethylquinoline; Ethoxyquin · 22A4102
| Endpoint | Reported classification |
|---|---|
| Acute toxicity （Oral） | Category 4 |
| Serious eye damage/eye irritation | Category 2B |
| Skin sensitization | Category 1 |
| Specific target organ toxicity - Single exposure | Category 1 (liver) |
| Specific target organ toxicity - Repeated exposure | Category 1 (liver) |
| Hazardous to the aquatic environment （Acute） | Category 1 |
Selected source-reported endpoints. Other endpoints, rationales and conditions remain in the original classification. Missing or unlisted information does not mean non-hazardous. This is not a global classification or transport decision.
Read the original NITE classificationMass ↔ amount of substance
Calculated from sourced massUses 217.312 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsCHONCalculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.
Research & patent references
Selected source associationsSources & record history
Checked 27 Sep 2026Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0
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