Product description:
Acid Red 27 (Azorubin S, Amaranth) is a modified red azo dye used as a food dye and to color cosmetics.
Product parameter:
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Synonyms
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E 123
Amaranth C.I. 16185 Amaranth red Acid Red 27 C.I. Food Red 9 C.I. Acid Red 27 amaranth (C.I. 16185) C.I. Acid Red 27, trisodium salt C.I. Acid Red 27, trisodium salt (8CI) trisodium 3-hydroxy-4-(4-sulphonato-1-naphthylazo)naphthalene-2,7-disulphonate trisodium 3-hydroxy-4-[(E)-(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2,7-disulfonate trisodium (4E)-3-oxo-4-[(4-sulfonatonaphthalen-1-yl)hydrazono]-3,4-dihydronaphthalene-2,7-disulfonate trisodium (4Z)-3-oxo-4-[(4-sulfonatonaphthalen-1-yl)hydrazono]-3,4-dihydronaphthalene-2,7-disulfonate |
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CAS No.
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915-67-3
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EINECS No.
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213-022-2
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C.I. No.
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16185
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Appearance
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Dark red to dark purple powder
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Strength
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200%
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Molecular Formula
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C20H11N2Na3O10S3
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Molecular Weight
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604.48
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Properties
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Slightly soluble in water is red, and very difficult to soluble in ethanol and soluble fiber element. The strong sulfuric acid for
purple, diluted into pink. In nitric acid solution for colourful red; In strong hydrochloric acid solution is brown, and a black residual soak. Its water solution and strong hydrochloric acid is product red; Add thick sodium hydroxide solution is red light brown |
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Molecular Structure
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Single azo class
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Manufacturing Methods
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4-Aminonaphthalene-1-sulfonic acid diazo, coupled with 3-Hydroxynaphthalene-2,7-disulfonic acid
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Application
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Dyeing wool and silk bright bluish-red from an acid bath. Food colorant. As indicator. In color photography
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Melting point
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>300°C
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Flash point
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44 ℃
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Density
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1.5
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Solubility
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Soluble in water (17.2g/100ml, 21℃), soluble in glycerol and propylene glycol, aqueous solution with purple. Slightly soluble in
ethanol (0.5g/100mL50% ethanol), insoluble in oil |
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λmax
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520 nm
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Stability
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Stable. Incompatible with strong oxidizing agents.
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LogP
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-5.13
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HS Code
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32129000
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PSA
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241.69000
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LogP
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6.06870
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Sample
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Free sample is available
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MOQ
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25 kgs
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Packaging
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25kgs Carton/Fiber Drum
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Storage
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Sealed in dry,Room Temperature
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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|||
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Fading
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Stain
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Fading
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Stain
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Fading
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Stain
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|||
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ISO
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3
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3
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5
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3-4
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1
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4-5
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3
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2
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AATCC
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5
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3
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3
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3-4
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2
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2
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1
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1
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Product Exhibtion:
Color card:
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