A strawberry red colour with good all round stability, but restricted to a limited number of international markets
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Description
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Red fine powder
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Colour Index Number
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Colour Index reference
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Associated FD & C
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Approved Additive Code
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C.I.16035
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FOOD RED 17
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FD & C Red No.40
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E129
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Class
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Light Stability
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Heat Stability 100oc
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Heat Stability 200oc
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Monoazo
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5
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5
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5
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Solubility in water 20oc g/l
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Pure Dye Content – Av.
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Pantone Reference
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Suitability for blending
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250 grams
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85%
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186
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yes
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Solubility in Glycerine g/l
at 20oc
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Solubility in
50% Isopropyl Alcohol
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Solubility in
95% Isopropyl Alcohol
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Solubility in
Propylene Glycol
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30
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Soluble
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Insoluble
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Slightly Soluble
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Alkali
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Fruit Acids
( Citric/Tartaric)
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Preservatives
Benzoic Acid
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Preservatives
Sulphur Dioxide
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4
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5
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4
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4
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C.A.S Number
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Volatile Matter at 135oc
Sodium Chloride/Sulphate Max
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Water insoluble
Matter Max.
Purity
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Subsidiary dye
Max
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25956-17-6
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15%
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0.2%
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1%
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Dye intermediates
Max.
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Heavy Metals
PPM – Max.
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Lead PPM
Max.
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Arsenic PPM
Max.
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0.5%
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40
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10
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1
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Molecular Weight
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Spectrometry –A
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Spectrometry –B
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496.92
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Max in water at ca 504 nm at pH7
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red solution in water
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Chemical Name
Definition
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Disodium 2-hydroxy-1-(2-methoxy-5-methyl-4-sulfonato-phenylazo) nephthalene-6-sulfonate
Allura Red consists essentially of disodium 2-hydroxy-1-(2-methoxy-5-methyl-4-sulfonato-phenylazo) nephthalene-6-sulfonate and subsidiary colouring matters together with sodium chloride and/or sodium sulfate as the principal uncoloured components.
Allura Red is described as the sodium salt. The calcium and the potassium salt are also permitted.
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Structural Formula
C18H14N2Na2O8S2
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Organic Compounds other than colouring matters
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[6-hydroxy-2-naphthalene sulfonic acid, sodium salt] - Not more than 0.3% [4-amino-5-methoxy-2-methylbenezene sulfonic acid] - Not more than 0.2% [6,6-oxybis (2-naphthalene sulfonic acid) disodium salt] - Not more than 0.1%
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