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CAS 135-55-7

:

7-Hydroxy-2-Naphthalene Sulfonic Acid(Sodium Acid)

Description:
7-Hydroxy-2-naphthalene sulfonic acid (sodium acid), with the CAS number 135-55-7, is an organic compound characterized by its naphthalene structure, which is substituted with a hydroxyl group and a sulfonic acid group. This compound typically appears as a white to light yellow powder and is soluble in water, making it useful in various applications. It exhibits strong acidic properties due to the sulfonic acid group, which can dissociate in solution to release protons. This compound is often utilized as a dye intermediate, in the synthesis of other organic compounds, and as a reagent in analytical chemistry. Additionally, it can act as a dispersing agent in various formulations. Its stability and reactivity make it valuable in both industrial and laboratory settings. Safety considerations include handling it with care, as it may cause irritation to the skin and eyes. Overall, 7-hydroxy-2-naphthalene sulfonic acid is an important compound in organic synthesis and chemical analysis.
Formula:C10H7NaO4S
InChI:InChI=1/C10H8O4S.Na/c11-9-3-1-7-2-4-10(15(12,13)14)6-8(7)5-9;/h1-6,11H,(H,12,13,14);/q;+1/p-1
InChI key:InChIKey=ORDKAWZEDYAZMM-UHFFFAOYSA-N
SMILES:S(=O)(=O)(O)C1=CC2=C(C=C1)C=CC(O)=C2.[Na]
Synonyms:
  • 2-Naphthalenesulfonic acid, 7-hydroxy-, monosodium salt
  • 2-Naphthalenesulfonic acid, 7-hydroxy-, sodium salt (1:1)
  • 2-Naphthol-7-sodium sulfonate
  • 2-Naphthol-7-sulfonic acid sodium salt
  • 7-Hydroxynaphthalene-2-sulfonic acid sodium salt
  • 7-Sulfo-2-naphthol sodium salt
  • Sodium 2-Naphthol-6-Sulfonate
  • Sodium 2-hydroxynaphthalene-7-sulfonate
  • Sodium 2-naphthol-7-sulfonate
  • Sodium 7-Hydroxynaphthalene-2-Sulfonate
  • See more synonyms
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Found 6 products.
  • Sodium 2-Naphthol-7-sulfonate

    CAS:
    Formula:C10H7NaO4S
    Purity:>90.0%(T)
    Color and Shape:White to Gray to Red powder to crystal
    Molecular weight:246.21

    Ref: 3B-N0036

    25g
    72.00€
  • Sodium 7-hydroxynaphthalene-2-sulfonate

    CAS:
    Formula:C10H7NaO4S
    Purity:96%
    Color and Shape:Solid
    Molecular weight:246.2149

    Ref: IN-DA003UAX

    5g
    26.00€
    25g
    55.00€
    100g
    116.00€
  • Sodium 2-naphthol-7-sulphonate

    CAS:
    <p>Sodium 2-naphthol-7-sulphonate</p>
    Formula:C10H7O4S·Na
    Purity:96%
    Color and Shape: white to off-white powder
    Molecular weight:246.21g/mol

    Ref: 54-OR350346

    5g
    32.00€
    25g
    36.00€
    100g
    78.00€
    500g
    268.00€
    2.5kg
    1,212.00€
  • 7-Hydroxy-2-naphthalene sulfonic acid sodium

    CAS:
    <p>7-Hydroxy-2-naphthalene sulfonic acid sodium (7HNS) is a fluorescent probe that can be used for the detection of cross-links in collagen and elastin. The sensitivity of this compound is very high, with a detection limit of 1 pmol/ml. 7HNS binds to the lysine residues in collagen and elastin, forming covalent bonds that are detectable by fluorescence. It has been used in the analysis of tissues such as cartilage, bone, skin, and blood vessels.</p>
    Formula:C10H7NaO4S
    Purity:Min. 93 Area-%
    Color and Shape:Powder
    Molecular weight:246.22 g/mol

    Ref: 3D-FH32756

    1kg
    770.00€
    2kg
    1,216.00€
    5kg
    2,234.00€
    250g
    322.00€
    500g
    477.00€
  • 2-Naphthol-7-sulfonic acid, sodium salt

    CAS:
    <p>2-Naphthol-7-sulfonic acid, sodium salt (2-NPS) is a high quality chemical that is used as a reagent in the production of complex compounds. It is also an intermediate for the synthesis of fine chemicals and useful scaffolds. 2-NPS has been shown to be a versatile building block for the synthesis of research chemicals and speciality chemicals. It can be used as a reaction component in organic chemistry reactions.</p>
    Formula:C10H7NaO4S
    Purity:Min. 96.0 Area-%
    Molecular weight:246.21 g/mol

    Ref: 3D-W-108265

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    5kg
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    250g
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  • Sodium-2-naphthol-7-sulfonate

    CAS:
    Formula:C10H7NaO4S
    Purity:98%
    Color and Shape:Solid
    Molecular weight:246.21

    Ref: 10-F047083

    5g
    20.00€
    25g
    45.00€
    100g
    99.00€