6-ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline (CAS 91-53-2) — formula C14H19NO, molecular weight 217.31; category organic chemicals.
6-ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline (CAS 91-53-2) is a chemical raw material in the organic chemicals category. Its molecular formula C14H19NO comprises 14 C, 19 H, 1 N, 1 O atoms. Its molecular weight is about 217.31. Reported physicochemical data: melting point around Approximately 0 °C, boiling point around 253 to 257 °F at 2 mmHg (NTP, 1992), LogP about 3.1. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 91-53-2 |
|---|---|
| Molecular Formula | C14H19NO |
| Molecular Weight | 217.31 |
| Melting Point | Approximately 0 °C |
| Boiling Point | 253 to 257 °F at 2 mmHg (NTP, 1992) |
| LogP | 3.1 |
| Applications | additive to animal feed, [Kanerva, p. 1793] Used as an antioxidant for food and feed and as anti-degradation agent for rubber, Also used as a post-harvest dip for apples and pears, 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 |
| Category | Organic Chemicals |
Documented applications: additive to animal feed, [Kanerva, p. 1793] Used as an antioxidant for food and feed and as anti-degradation agent for rubber, Also used as a post-harvest dip for apples and pears, 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.
6-ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline is a carbon-based organic compound with CAS registry number 91-53-2 and molecular formula C14H19NO (molecular weight 217.31), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 91-53-2
Its molecular formula C14H19NO comprises 14 C, 19 H, 1 N, 1 O atoms.
Also known as: 6-ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline · Ethoxyquin · Ethoxyquin powder
Category: organic chemicals
The CAS registry number of 6-ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline is 91-53-2.
Molecular formula C14H19NO, molecular weight 217.31.
It is also registered under: 6-ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline, Ethoxyquin, Ethoxyquin powder.
Recorded applications: additive to animal feed, [Kanerva, p. 1793] Used as an antioxidant for food and feed and as anti-degradation agent for rubber, Also used as a post-harvest dip for apples and pears, 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.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for 6-ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline (CAS 91-53-2), compiled from public chemistry databases.
| CAS Registry Number | 91-53-2 |
|---|---|
| PubChem CID | 3293 |
| Molecular formula | C14H19NO |
| IUPAC name | 6-ethoxy-2,2,4-trimethyl-1H-quinoline |
| UNII (FDA) | 9T1410R4OR |
| Molecular Weight | 217.31 |
|---|---|
| XLogP3 | 3.1 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 2 |
| Exact Mass | 217.146664230 |
| Monoisotopic Mass | 217.146664230 |
| Topological Polar Surface Area | 21.3 |
| Heavy Atom Count | 16 |
| Boiling Point | 253 to 257 °F at 2 mmHg (NTP, 1992) |
|---|---|
| Boiling Point | 123-125 °C AT 2 MM HG |
| Melting Point | Approximately 0 °C |
| Flash Point | 225 °F (NTP, 1992) |
| Density | 1.029-1.031 AT 25 °C/25 °C |
| Vapor Density | 7.48 (AIR= 1) |
| Vapor Pressure | 0.000132 [mmHg] |
| Ionization Efficiency | 3.76 |
| Ionization Efficiency | 2.7 |
| Ionization Efficiency | MeCN (80%) |
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
| Regulatory & Food Contact | FDA Substance added to food: ANTIOXIDANT FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS |
|---|
| Reported hazard statements | H302, H411 (36.9%), H317, H320, H370, H372 |
|---|
H302: Harmful if swallowed [Warning Acute toxicity, oral]
P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)
Ethoxyquin powder · CAS 91-53-2 · C14H19NO. UNII 9T1410R4OR. Boiling Point: 253 to 257 °F at 2 mmHg (NTP, 1992); Boiling Point: 123-125 °C AT 2 MM HG; Melting Point: Approximately 0 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.