Flavours Quinoline Yellow WS

About Flavours Quinoline Yellow WS

PRODUCT: QUINOLINE YELLOW WS

IUPAC name : Sodium 2-(1,3-dioxoindan-2-yl)quinolinedisulfonate

Properties : 

Chemical formula            :C18H13NO5/8/11S1/2/3Na1/2/3

Molar mass                        : 477.38 g/mol

Appearance                       : Greenish yellow powder

Melting point                    :150 C (302 F; 423 K) (decomposes)

Colour Index No.              :47005

Food Colour No.               :Yellow 13

F.D. & C. No.                      :Yellow 10

CAS NO.                             : 100208-62-6

E.E.C. No.                            : E-104

Specification : 

Total Dye Content Corrected for Sample (Min.) : 70%

Volatile Matter (chloride & sulphate) (Max): 30%

Solubility In Water (20 c)              : 150 gram / litre

Combined Ether Extract. (Max) : 0.20%

Water Insoluble (Max) : 0.20%

Class : Xanthene

Light Stability : 4

Heat Stability (100 c) : 4

Alkali Stability : 4

Subsidiary Dyes (Max) : 1.50%

Dyes Intermediate (Max) : 0.50%

Lead : < 2 ppm

Arsenic : < 3 ppm

Mercury : < 1 ppm

Heavy Metals : < 20 ppm