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Tartrazine

Tartrazine

Yellow 4

Synonyms:
Food Yellow - 4
Chemical Name:
Tri-sodium 5-hydroxy-1-(4-Sulfonato phenyl-4-(4-Sulfonato phenylazo) pyrazole-3-carbaxylate
C.I. No.:
19140
C.I. Name:
Acid Yellow- 23
FDA Status:
FD&C Yellow - 5
CAS No.:
1934-21-0
EINECS No.:
217-699-5
E No.:
E-102

Tests

Total colouring matters calculated as the sodium salt, percent by mass.

EEC (Limit): 

Min.

85

Water insoluble matter, percent by mass.

Max.

0.20

Combined ether extract, percent by mass.

Max.

0.20

Unsulfonated Primary aromatic amines, percent by mass (calculated as aniline).

Min.

0.01

Subsidiary dyes, percent by mass.

Max.

1

Total organic compound other than colouring matter, percent by mass.
4-hydrazinobenzene sulfonic acid
4-aminobenzene-1-sulfonic acid
5-oxo-1-(4-sulfophenyl)- 2-pyrazoline-3-carboxylic acid 4
4_-diazoaminodi(benzene sulfonic acid)
Tetrahydroxysuccinic Acid

Max.

0.50

Heavy metals (as Pb), (mg/kg.)

Max.

40

Arsenic (mg/kg.)

Max.

3

Lead (mg/kg.)

Max.

2

Mercury (mg/kg.)

Max.

1

Cadmium (mg/kg.)

Max.

1

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