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CAS 3761-53-3

:

Xylidine Ponceau 2R

Description:
Xylidine Ponceau 2R, with the CAS number 3761-53-3, is a synthetic azo dye primarily used in the textile and food industries for its vibrant red coloration. It is characterized by its solubility in water and its ability to form stable solutions, which makes it suitable for various applications, including as a colorant in food products and cosmetics. The dye is known for its excellent lightfastness and resistance to fading, which are important properties for maintaining color integrity in finished products. However, like many azo dyes, Xylidine Ponceau 2R may raise health and environmental concerns due to potential toxicity and allergenic properties. Regulatory agencies often monitor its use, and it may be subject to restrictions in certain applications. Safety data sheets typically recommend handling it with care, using appropriate personal protective equipment to minimize exposure. Overall, while Xylidine Ponceau 2R is valued for its coloring properties, awareness of its safety profile is essential for users in various industries.
Formula:C18H14N2Na2O7S2
InChI:InChI=1/C18H16N2O7S2.2Na/c1-10-3-6-15(11(2)7-10)19-20-17-14-5-4-13(28(22,23)24)8-12(14)9-16(18(17)21)29(25,26)27;;/h3-9,21H,1-2H3,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2/b20-19+;;
InChI key:InChIKey=KMRUYBMTSNUWNR-UHFFFAOYSA-N
SMILES:N(=NC1=C(C)C=C(C)C=C1)C=2C3=C(C=C(S(=O)(=O)O)C2O)C=C(S(=O)(=O)O)C=C3.[Na]
Synonyms:
  • 1-(2,4-Xylylazo)-2-naphthol-3,6-disulfonic acid disodium salt
  • 1695 Red
  • 2,7-Naphthalenedisulfonic acid, 4-[(2,4-dimethylphenyl)azo]-3-hydroxy-, disodium salt
  • 2,7-Naphthalenedisulfonic acid, 4-[2-(2,4-dimethylphenyl)diazenyl]-3-hydroxy-, sodium salt (1:2)
  • 4-(2,4-Dimethylphenylazo)-3-hydroxy-2,7-naphthalenedisulfonic acid, disodium salt
  • Acid Leather Red KPR
  • Acid Leather Red P 2R
  • Acid Leather Scarlet IRW
  • Acid Ponceau 2RL
  • Acid Ponceau R
  • See more synonyms
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Found 9 products.
  • Acid Red 26

    CAS:
    Formula:C18H14N2Na2O7S2
    Color and Shape:Red to Dark red to Brown powder to crystal
    Molecular weight:480.42

    Ref: 3B-P0590

    25g
    56.00€
  • Ponceau Xylidine

    CAS:
    Ponceau Xylidine
    Purity:BS
    Molecular weight:480.42g/mol

    Ref: 54-OR1028693

    5g
    32.00€
    25g
    57.00€
    100g
    203.00€
    500g
    799.00€
    2.5kg
    2,930.00€
  • Xylidine Ponceau 2R (C.l. 16150)

    CAS:
    Formula:C18H14N2Na2O7S2
    Purity:≥ 70%
    Color and Shape:Red to dark red-brown powder
    Molecular weight:480.42

    Ref: 7W-GT1513

    25g
    74.00€
    50g
    118.00€
  • Ponceau MX

    CAS:
    <p>Ponceau MX is a dye, which may be used in biochemistry study.</p>
    Formula:C18H16N2NaO7S2
    Color and Shape:Dark Red Crystalline Powder
    Molecular weight:459.44
  • Acid Red 26 100 µg/mL in Acetonitrile:Water

    CAS:
    Formula:C18H14N2O7S2Na
    Color and Shape:Single Solution
    Molecular weight:480.42

    Ref: 04-A10028800WL-100

    1ml
    To inquire
  • Acid Red 26

    CAS:
    Formula:C18H14N2O7S2Na
    Color and Shape:Neat
    Molecular weight:480.42

    Ref: 04-C10028800

    100mg
    112.00€
  • Red No.503 for TLC RS

    CAS:
    Color and Shape:Red Solid Grains Or Powder

    Ref: 2K-4020000021

    100mg
    To inquire
  • Acid Red 26 (>80%)

    Controlled Product
    CAS:
    <p>Applications Acid Red 26 is an acid azo red dye used in inks and fabrics. Contributor to environmental pollution and textile effluents. Dyes and metabolites, Environmental Testing.Environmental toxin on US EPA Toxic Release Inventory list (TRI) list.<br>References Nguyen, T. et al.: J. Env. Sci. Health. A., 51, 744 (2016);<br></p>
    Formula:C18H14N2O7S2·2Na
    Purity:>80%
    Color and Shape:Neat
    Molecular weight:480.42

    Ref: TR-A189845

    1g
    118.00€
    5g
    132.00€
    500mg
    91.00€
  • Acid red 26

    CAS:
    <p>Acid Red 26 is a water-soluble dye that can be used in the textile industry and as an indicator for wastewater treatment. It has been shown to have significant up-regulation in biological samples, such as human serum and human immunoglobulin. Acid Red 26 has been tested for its toxicity in a number of studies, with little evidence of carcinogenic potential. The rate constant is not available for this compound.</p>
    Formula:C18H14N2Na2O7S2
    Purity:Min. 95%
    Molecular weight:480.42 g/mol

    Ref: 3D-FA59504

    50g
    303.00€
    100g
    410.00€
    250g
    729.00€
    500g
    1,036.00€