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Acid Red 18 CAS 2611-82-7


  • CAS: 2611-82-7
  • Molecular Formula: C20H15N2NaO10S3
  • Molecular Weight: 562.51
  • EINECS: 220-036-2
  • Synonyms: SCARLET3R; SCARLET3R,WATERSOLUBLE; NEWCOCCINE; PONCEAU4R; PONCEAU4RC; FoodRed7(C.I.16255); Dyacid Scarlet 4R; Eurocert Ponceau 4R; Multacid Scarlet 3R; Naphthazine Scarlet 4R; Orient Water Red 1
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    What is Acid Red 18 CAS 2611-82-7?

    Acid Red 18 light resistance, acid resistance is good, stable to lime acid, tartaric acid, poor bacterial resistance, heat resistance, reduction resistance is quite poor. Turns brown in alkaline solution. Maximum absorption wavelength (508±2) nm. Acid Red 18 is a red to dark red powder with a red, odorless solution. Soluble in water, soluble in glycerol, slightly soluble in ethanol, insoluble in oil.

    Specification 

    Item Specification
    STRENGTH 100%±<2%
    SHADE(CMC2:1) ≤0.5
    MOISTURE ≤8%
    INSOLUBLE ≤0.2%
    SOLUBILITY ≥50g/l
    FINESS ≤8%

    Application

    Acid Red 18 can be used for dyeing wool, silk, nylon and direct printing of fabrics. Because the dyeing fastness and evenness are poor, the color light is not as bright as acid red G, so wool textiles are less used. Acid Red 18 can also be used to color leather, paper, wood products, plastics, inks, cosmetics, medicine, food, etc. Acid Red 18 as a food color can be used in fruit juice drinks, prepared wine, carbonated drinks, candy, pastry, ice cream, yogurt and other food coloring, but can not be used in dried meat, meat products, aquatic products and other foods.

    Package 

    25kg/drum or according to customer requirements.

    Acid Red 18-packing

    Acid Red 18 CAS 2611-82-7

    Acid Red 18-pack

    Acid Red 18 CAS 2611-82-7


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