Quinoline Yellow WS

• Disodium 2 -(2- quinolyl ) indan- 1,3- diondisulfonat ( main component)
• Disodium -2-( 1,3- Dioxoinden -2-yl ) - quinoline- 6 ,8- disulfonate
• Chinophthalondisulfonsäure disodium salt
• Quinoline Yellow S
• E 104
• Acid Yellow 3
• C. I. Food Yellow 13
• C. I. 47005
• Quinoline Yellow

Yellow to orange powder

Fixed

Moderately in water ( 225 g · l-1 at 25 ° C)

Attention

2000 mg · kg -1 ( LD50, rat, oral)

Template: Infobox chemical / molecular formula search available

As Quinoline a mixture of different yellow, water-soluble quinophthalone is called. It is used as a food coloring and use, for example, often abbreviated to packages with the E number E 104.

Composition

A main component (at least 80 % ) of the mixture is the disodium salt of Disulfonates of 2 - (2 -quinolyl ) indan- 1 ,3-dione. According to the specification for food colors, it may also the sodium salt of Monosulfonats (maximum 15 %) and the sodium salt of Trisulfonates (maximum 7% ) and sodium chloride and / or sodium sulfate as a colorless constituents.

Production and representation

Quinoline Yellow is prepared by sulfonating 2 - (2 -quinolyl ) indan- 1 ,3 -dione, which is accessible by a condensation of the starting materials quinaldine and phthalic anhydride in turn.

Use

Quinoline is approved in the EU for certain foods and in small amounts as a food dye.

It is used for drinks, showers, Sweets, Jelly, desserts, ice cream art, lozenges, chewing gum and smoked fish.

Quinoline is also one of the two fabrics together with indigo carmine ( E132 ) for the manufacture of green paint is used.

Health aspects

Although the basic body quinoline may act as a tumor promoter, was found by studies no carcinogenic effects of quinoline.

At disposition, the people - that is, to food additives generally individuals sensitive (for example, allergic, atopic dermatitis patients, etc.) - is a relationship in the induction of pseudo-allergies and hyperactive behavior similar to a attention-deficit/hyperactivity suspected.

Legal Aspects

Since October 20, 2010 Food that contain the dye quinoline yellow must, according to an EU regulation of 2008 with the warning " Can activity and attention in children affect " are provided.

On June 1, 2013, the maximum permitted daily dose of hitherto 10 mg / kg body weight to 0.5 mg / kg body weight was reduced. This was based on a re-evaluation by EFSA in 2009.