Solvent Yellow 33

Chemical Properties

yellow powder

Uses

In spirit lacquers, polystyrenes, polycarbonates, polyamides, and acrylic resins. In colored smokes. Occasionally in hydrocarbon solvents. In externally applied drugs and cosmetics.

Uses

It is used in cosmetic composition for application to the skin, lips, and/or body surface. Dyes and metabolites, Environmental Testing.

Preparation

the dye: (a) 2-Methylquinolineand Phthalic anhydride in 200 ℃ in the presence of Zinc chloride condensation; (b) 2-Methylquinolineand Diethyl phthalatein the 100 ℃ were hot. (c) 3 – (2 – quinolin – ylmethylidene) – 2 – benzo [c] furanone and Sodium ethoxide in 240 ~ 250 ℃ were hot. Late dye: 2-Methylquinolineand 2,6-DimethylquinolinePhthalic anhydride mixture and in 190 ~ 220 ℃ were hot.

Definition

ChEBI: Quinoline yellow is a quinoline derivative with a 1,3-dioxoindan-2-yl substituent at C-2. It has a role as a dye. It is a member of quinolines, a beta-diketone and an aromatic ketone.

General Description

Bright greenish yellow solid or canary yellow powder.

Air & Water Reactions

Insoluble in water.

Fire Hazard

Flash point data for Solvent Yellow 33 are not available. Solvent Yellow 33 is probably combustible.

Flammability and Explosibility

Non flammable

Properties and Applications

brilliant green yellow. Insoluble in water, slightly soluble in alcohol (yellow), linseed oil, mineral oil, oleic acid, paraffin wax, stearic acid, turpentine, soluble in acetone, Chloroform, benzene and toluene. In concentrated sulfuric acid for yellow brown, dilution after yellow floc precipitation. Used for alcohol soluble paint, polyethylene, polycarbonate, polyamide and acrylic acid resin, color cosmetics.

Standard	Light Fastness	Heat-resistant(℃)		water	Sodium Carbonate(5%)	Hydrochloric acid(5%)
		Melting point	Stable
ISO	General	160	180≥160 Sublimation	Insoluble	No change	No change