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CAS No 81-04-9 , naphthalene-1,5-disulfonic acid

  • Name: naphthalene-1,5-disulfonic acid
  • Synonyms: Naphthalene-1,5-disulfonic acid;Armstrong's acid;naphthalene-1,5-disulfonic acid; 1,5-NAPHTHALENEDISULFONIC ACID; 81-04-9; Armstrong's S acid; 1,5-Naphthylene disulfonic acid;
  • CAS Registry Number:
  • Transport: UN 2585
  • Density: 1.704 g/cm3
  • Refractive index: 1.695
  • Safety Statements: R34
  • Hazard Symbols: C: Corrosive;
  • EINECS: 201-317-9
  • Molecular Weight: 288.29692
  • InchiKey: XTEGVFVZDVNBPF-UHFFFAOYSA-N
  • InChI: InChI=1S/C10H8O6S2/c11-17(12,13)9-5-1-3-7-8(9)4-2-6-10(7)18(14,
    15)16/h1-6H,(H,11,12,13)(H,14,15,16)
  • Risk Statements: S26;S36/37/39;S45
  • Molecular Formula: C10H8O6S2
  • Molecular Structure:CAS No:81-04-9 naphthalene-1,5-disulfonic acid

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References of naphthalene-1,5-disulfonic acid
Title: Armstrong's Acid
CAS Registry Number: 81-04-9
CAS Name: 1,5-Naphthalenedisulfonic acid
Molecular Formula: C10H8O6S2
Molecular Weight: 288.30
Percent Composition: C 41.66%, H 2.80%, O 33.30%, S 22.24%
Literature References: Prepd by sulfonation of naphthalene: Lynch, Scanlan, Ind. Eng. Chem. 19, 1010 (1927).
Properties: Crystals. Soluble in water, alc; practically insol in ether.