Cas no 3888-44-6 (2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-, sodium salt (1:1))

2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-, sodium salt (1:1) structure
3888-44-6 structure
Product Name:2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-, sodium salt (1:1)
CAS No:3888-44-6
MF:C10H7NaO8S2
MW:342.27755188942
CID:309509
PubChem ID:23678880
Update Time:2025-04-19

2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-, sodium salt (1:1) Chemical and Physical Properties

Names and Identifiers

    • 2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-, sodium salt (1:1)
    • sodium,4,5-dihydroxy-7-sulfonaphthalene-2-sulfonate
    • 2,7-Naphthalenedisulfonic acid,4,5-dihydroxy-,monosodium salt
    • CHROMOTROPIC ACID SODIUM SALT
    • Chromotropic acid,monosodium salt
    • EINECS 223-430-2
    • Sodium hydrogen 4,5-dihydroxynaphthalene-2,7-disulphonate
    • sodium;4,5-dihydroxy-7-sulfonaphthalene-2-sulfonate
    • sodium 4,5-dihydroxy-7-sulfonaphthalene-2-sulfonate
    • 3888-44-6
    • Chromotropic acid, monosodium salt
    • Sodium chromotropate
    • DTXSID6063224
    • 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, monosodium salt
    • 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, sodium salt (1:1)
    • 4,5-Dihydroxy-2,7-naphthalene disulfonic acid monosodium salt
    • Inchi: 1S/C10H8O8S2.Na/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8;/h1-4,11-12H,(H,13,14,15)(H,16,17,18);/q;+1/p-1
    • InChI Key: UPYOFRGSTDARPV-UHFFFAOYSA-M
    • SMILES: S(C1C=C(C2C(=CC(=CC=2C=1)S(=O)(=O)O)O)O)(=O)(=O)[O-].[Na+]

Computed Properties

  • Exact Mass: 341.94800
  • Monoisotopic Mass: 341.94800381g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 3
  • Hydrogen Bond Acceptor Count: 8
  • Heavy Atom Count: 21
  • Rotatable Bond Count: 2
  • Complexity: 563
  • Covalently-Bonded Unit Count: 2
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: 19
  • XLogP3: nothing
  • Topological Polar Surface Area: 169?2

Experimental Properties

  • Color/Form: Light gray or brown powder
  • PSA: 168.79000
  • LogP: 2.56340
  • Solubility: Not determined

2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-, sodium salt (1:1) Security Information

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