1,2-Dihydro-2,2,4-trimethylquinoline supplier

Name
1,2-Dihydro-2,2,4-trimethylquinoline
EINECS 205-688-8
CAS No. 147-47-7
Article Data56
CAS DataBase
Density 0.951 g/cm³
Solubility Insoluble Miscible in Acetate, Benzene, Monochlorobenzene, Ethanol, Gasoline; Soluble in Chloroform
Melting Point 72 - 94 C
Formula C12H15 N
Boiling Point >315 C (Decomposes)
Molecular Weight 173.258
Flash Point 115 C
Transport Information 20kgs,
Appearance brown powder or flakes
Safety Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of NO_x.
Risk Codes
Molecular Structure
Hazard Symbols
Synonyms 1,2-Dihydro-2,2,4-trimethylquinolene;1,2-Dihydro-2,2,4-trimethylquinoline; 2,2,4-Trimethyl-1,2-dihydroquinoline;2,2,4-Trimethyl-1,2-dihydroquinone; Acetone anil; Acetone anil (quinolinederivative); Good-rite 3140; Hydroquin; NSC 4175; Polnox R
PSA 12.03000
LogP 3.43200

1,2-Dihydro-2,2,4-trimethylquinoline Chemical Properties

FORMULA:(C₁₂H₁₅N)_n (n=2.5 - 3 typical)
MOL WT.: ca 500
H.S. CODE: 3812.30
PHYSICAL STATE: brown solid
MELTING POINT: 72 - 94 °C
BOILING POINT: >315 °C (Decomposes)
SPECIFIC GRAVITY: 1.09
SOLUBILITY IN WATE: Insoluble
SOLVENT SOLUBILITY: Miscible in Acetate, Benzene, Monochlorobenzene, Ethanol, GASOLINE; Soluble in chloroform

1,2-Dihydro-2,2,4-trimethylquinoline Uses

2,2,4-TRIMETHYL-1,2-DIHYDROQUINOLINE is a general purpose antioxidant, stabilizer or polymerization inhibitor. The polymer is useful as an antioxidant for rubber.

1,2-Dihydro-2,2,4-trimethylquinoline Production

2,2,4-TRIMETHYL-1,2-DIHYDROQUINOLINE is effectively prepared by the polymerization of 2,2,4-trimethyl-1,2-dihydroquinoline monomer in the presence of Hydrochloric Acid, the amount of Hydrochloric Acid being 0.2 to 0.5 mole per mole of the total of the monomer and impurity AMINES contained in the monomer, and the concentration of Hydrochloric Acid being from 15 to 25% by weight.

1,2-Dihydro-2,2,4-trimethylquinoline Toxicity Data With Reference

Oral rat : LD₅₀: 2250 mg/kg

1,2-Dihydro-2,2,4-trimethylquinoline Consensus Reports

Reported in EPA TSCA Inventory.

1,2-Dihydro-2,2,4-trimethylquinoline Standards and Recommendations

APPEARANCE OF 2,2,4-TRIMETHYL-1,2-DIHYDROQUINOLINE: brown powder or flakes
MELTING POINT: 80 - 100 °C
HEAT LOSS: 0.3% max
ASH: 0.3% max
INSOLUBLE IN ETHANOL: 0.1% max

Product Name

1,2-Dihydro-2,2,4-trimethylquinoline