SYNONYMS

SUNSET YELLOW FCF*C.I.FOOD YELLOW3 * FD & C YELLOW 6

COLOUR INDEX NO.

15985

EEC NUMBER

E-110

CHEMICAL FORMULA

C16H10N2Na2O7S2

MOLECULAR WEIGHT

452.37

ASSAY

Content not less than 85% total colouring matters, calculated as the sodium salt.
E 1% 1cm 555 at ca 485 nm in aqueous solution at pH7.

DESCRIPTION

Orange-red powder

IDENTIFICATION

a. Spectrometry
b. Orange solution in water

Maximum in water at ca 485 nm at pH7

Water Insoluble matter

Not more than 0.2%

Subsidiary colouring matters

Not more than 5.0%

Organic compounds other than colouring matters

Total not more than 0.5%

Unsulfonated primary aromatic amines

Not more than 0.01% (Calculated as aniline)

Ether extractable matter

Not more than 0.2% under neutral conditions

Arsenic

Not more than 3 mg/kg.

Lead

Not more than 10 mg/kg.

Mercury

Not more than 1 mg/kg.

Cadmium

Not more than 1 mg/kg.

Heavy metals (as Pb)

Not more than 40 mg/kg.