Synthetic Food Colors – Erythrosine and Tartrazine

April 19, 2010


Reddish pink in color, C20H6I4O5 or Erythrosine is one of the synthetic dyes. Its common use is as agent for food coloring & is also in applications as biological stain, disclosing agent for dental plaque, radiopaque medium and printing ink.

Application of Erythrosine is in:

  1. Tinned fruits
  2. Chocolate
  3. Cosmetics & drugs
  4. Garlic sausage
  5. Scotch eggs
  6. Snack foods
  7. Stuffed olives
  8. Dressed crabs
  9. Bakery foods


It is an azo dye of color synthetic yellow and commonly used in syrups, fruit cordials, instant puddings, custard powder, ice creams, mustard yogurt, chewing gums, honey products.

Tartrazine is also used in combination of Brilliant Blue FCF to form different shades of green such as in processed peas.


Reactive Dyes

April 6, 2010

Reactive Dyes basically are aromatic & synthetic structural compounds of molecular base with different types having separate properties & are commonly used in textile industry. These dyes are part of a group of organic substances which are utilized in tinting of textiles.

Some highly reactive dyes are used in exhaust dyeing while moderately reactive dyes are used in continuous dyeing & printing. There are some other types of reactive dyes available which are used in semi-continuous & continuous dyeing and others with usefulness for fabrics, knits and cotton yarns.

Normally the reactive dyes are manufactured for the purpose of permanent dyeing of fibers which are plant based such as cotton, ramie, linen, rayon, hemp, cellulose fiber, viscose etc.

Pthalogen Dyes

April 5, 2010

Pthalogen Dyes are also called as Dyestuffs & Ingrain Dyes is well suited for use in fabrics such as, African print, Batic, Khanga, Fibers and other similar fabrics. The process of dyeing produces light-fast & incomparably brilliant blues and these can be shifted to darker blues or blue greens.

Pthalogen Dyes are most used for dyeing & printing of threads and are also used in retail fabrics for solid shade dyeing.

There are numerous Pthalogen Dyes available as per international specifications as listed below:

  1. Blue I F3GK
  2. Napthol ASG
  3. Blue I BN
  4. Blue I F3G & Copper Complex
  5. Fast Blue B Base
  6. Blue I F3GM

Blended Food Colors

March 17, 2010

As the availability of natural food colors in market is limited, many colors are made artificially using different chemicals. A mix of 2 or more food coloring agents that are water soluble creates blended food colors. The coloring agents are mixed in different ways producing varied array of shades.

Detailed in-house study is done in manufacturing of blended food colors to make sure that the produced chemicals are as per international standards of food quality. These blended food colors are some of the most used due to their non-reactivity & stability.

The other feature of these colors is that they can be developed based upon the customized requirements of consumers. Some blended food colors which are used commonly are:

  1. Lemon Yellow
  2. Rose Pink
  3. Black Currant
  4. Strawberry Red
  5. Apple Green
  6. Grape
  7. Egg Yellow
  8. Violet
  9. Chocolate Brown FCF
  10. Pea Green
  11. Coffee Brown
  12. Falsa
  13. Saffron
  14. Lime Green
  15. Dark Brown
  16. Orange Red
  17. Raspberry Red

Lake Colors Wholesale

February 12, 2010

Lake Colors wholesale are one of the commonly made-use-of coloring agents in industries. Lake food colors are highly adaptable as they are compounds with inert absorption.

As they are oil soluble, they can blend into fats, vegetable and other different cosmetic oils. Compared to water soluble colors they are relatively stable and due to this fact they are more in use in pharmaceuticals & cosmetics.

Some of the commonly used wholesale lake food colors are:

•    Lake Quinoline Yellow
•    Lake Carmosine
•    FD&C Yellow No.6 Lake
•    Lake Erythrosine
•    Lake Brilliant Blue FCF
•    Lake Tartrazine
•    Lake Indigo Carmine
•    Lake Ponceau 4R
•    Lake Sunset Yellow
•    FD&C Blue No.2 Lake
•    FD&C Blue No.1 Lake
•    Lake Amaranth
•    FD&C Yellow No.5 Lake
•    FD&C Red No.40 Lake
•    Lake Allura Red

Synthetic Food Colours Supplier

February 2, 2010

Synthetic Food Colors:

Applications –

  1. Biscuits
  2. Fruit drinks
  3. Syrups
  4. Ice creams
  5. Seasonings
  6. Pharmaceutical tablets
  7. Sweet meats

Synthetic Food Colors – Types:

  1. Black PN
  2. Fast Red E
  3. Amaranth
  4. Allura Red
  5. Red 2G
  6. Tartrazine
  7. Patent Blue V
  8. Erythrosine
  9. Carmoisine
  10. Ponceau 4R
  11. Green S
  12. Quinoline Yellow
  13. Sunset Yellow