Food additives data book - wordpres

Colourings 154
NAME: Brown FK
CATEGORY: Food colour
FOOD USE: Smoked fish
SYNONYMS: E154/ C.I. Food Brown 1/ A mixture of:
1. Sodium 4-(2,4-diaminophenylazo) benzene sulfonate
2. Sodium 4-(4,6-diamino-H-tolylazo) benzene sulfonate
3. Disodium 4,4¢-(4,6-diamino-1,3-phenylene bisazo)di(benzene sulfonate)
4. Disodium 4,4¢-(2,4-diamino-1,3-phenylene bisazo)di(benzene sulfonate)
5. Disodium 4,4¢-(2,4-diamino-5-methyl-1,3-phenylene bisazo)di(benzene sulfonate)
6. Trisodium 4,4¢,4≤-(2,4-diaminobenzene-1,3,5-trisazo)tri-(benzene sulfonate)
FORMULA: 1. C12H11N4NaO3S 2. C13H13N4NaO3S 3. C18H14N6Na2O6S2 4. C18H14N6Na2O6S2
5. C19H16N6Na2O6S2 6. C24H17N8Na3O9S3
MOLECULAR MASS: 1. 314.30; 2. 328.33; 3. 520.46; 4. 520.46; 5. 534.47; 6. 726.59
ALTERNATIVE FORMS: Calcium salt/ Potassium salt/ Aluminium lake (insoluble)
PROPERTIES AND APPEARANCE: Red-brown powder or granules
BOILING POINT IN °C AT VARIOUS N/A
PRESSURES (INCLUDING 760 mm Hg):
MELTING RANGE IN °C: Not known
FLASH POINT IN °C: N/A
IONISATION CONSTANT AT 25°C: N/A
DENSITY AT 20°C (AND OTHER N/A
TEMPERATURES) IN g/l:
HEAT OF COMBUSTION AT 25°C IN J/kg: N/A