4-Sulfo-1,8-naphthalic Anhydride Potassium Salt - ≥98%(HPLC) , CAS No.71501-16-1

CAS: 71501-16-1 Cat. No.: S161380 Molecular Weight: 316.32 EC Number: 275-547-3 PubChem CID: 16211743

GRADE & PURITY ≥98%(HPLC)

Synonyms

AKOS015963194 | 1,8-Naphthalenedicarboxylic anhydride-4-potassium sulfonate | MFCD00012097 | WOHXJVJXAWXEQP-UHFFFAOYSA-M | AS-15667 | FT-0657873 | AKOS015916669 | SB22782 | SCHEMBL3736126 | 4-SULFO-1,8-NAPHTHALICANHYDRIDE,POTASSIUMSALT | H11315 | Potassiu

Storage

Room temperature

Shipped In

Normal

Specifications

Synonyms

AKOS015963194 | 1, 8-Naphthalenedicarboxylic anhydride-4-potassium sulfonate | MFCD00012097 | WOHXJVJXAWXEQP-UHFFFAOYSA-M | AS-15667 | FT-0657873 | AKOS015916669 | SB22782 | SCHEMBL3736126 | 4-SULFO-1, 8-NAPHTHALICANHYDRIDE, POTASSIUMSALT | H11315 | Potassiu

Specifications & Purity

≥98%(HPLC)

Storage

Room temperature

Shipped In

Normal

Purity

≥98%(HPLC)

Names and Identifiers

• Pubchem Sid: 504768138
• Pubchem Sid Url: https://pubchem.ncbi.nlm.nih.gov/substance/504768138
• Canonical Smiles: C1=CC2=C(C=CC3=C2C(=C1)C(=O)OC3=O)S(=O)(=O)[O-].[K+]
• IUPAC Name: potassium;2,4-dioxo-3-oxatricyclo[7.3.1.05,13]trideca-1(12),5(13),6,8,10-pentaene-8-sulfonate
• InChIKey: WOHXJVJXAWXEQP-UHFFFAOYSA-M
• INCHI: 1S/C12H6O6S.K/c13-11-7-3-1-2-6-9(19(15,16)17)5-4-8(10(6)7)12(14)18-11;/h1-5H,(H,15,16,17);/q;+1/p-1
• Isomeric SMILES: C1=CC2=C(C=CC3=C2C(=C1)C(=O)OC3=O)S(=O)(=O)[O-].[K+]
• PubChem CID: 16211743
• Molecular Weight: 316.32

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Benzenoids
    • Class Naphthalenes
      • Subclass Naphthalenecarboxylic acids and derivatives

• Kingdom: Organic compounds
• Superclass: Benzenoids
• Class: Naphthalenes
• Subclass: Naphthalenecarboxylic acids and derivatives
• Intermediate Tree Nodes: Not available
• Direct Parent: 1,8-naphthalic anhydrides
• Alternative Parents: 1-naphthalene sulfonic acids and derivatives 1-naphthalene sulfonates 2-benzopyrans 1-sulfo,2-unsubstituted aromatic compounds Dicarboxylic acids and derivatives Sulfonyls Organosulfonic acids Carboxylic acid anhydrides Oxacyclic compounds Organooxygen compounds Organic potassium salts Organic oxides Hydrocarbon derivatives
• Molecular Framework: Aromatic heteropolycyclic compounds
• Substituents: 1,8-naphthalic anhydride - Naphthalene sulfonate - 1-naphthalene sulfonic acid or derivatives - Naphthalene sulfonic acid or derivatives - 1-naphthalene sulfonate - 2-benzopyran - Benzopyran - 1-sulfo,2-unsubstituted aromatic compound - Arylsulfonic acid or derivatives - Dicarboxylic acid or derivatives - Sulfonyl - Organosulfonic acid - Organosulfonic acid or derivatives - Organic sulfonic acid or derivatives - Carboxylic acid anhydride - Carboxylic acid derivative - Organoheterocyclic compound - Organic alkali metal salt - Oxacycle - Organic oxygen compound - Organosulfur compound - Organooxygen compound - Organic salt - Organic potassium salt - Hydrocarbon derivative - Organic oxide - Aromatic heteropolycyclic compound
• Description: This compound belongs to the class of organic compounds known as 1,8-naphthalic anhydrides. These are organic aromatic compounds that contain a naphthalene carrying two carboxyl groups at the 1- and 8-positions. In naphthalene anhydrides, the two carboxyl groups at the 1- and 8-positions share one oxygen atom.
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Sensitivity: Moisture Sensitive
• Molecular Weight: 316.330 g/mol
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 6
• Rotatable Bond Count: 1
• Exact Mass: 315.944 Da
• Monoisotopic Mass: 315.944 Da
• Topological Polar Surface Area: 109.000 Ų
• Heavy Atom Count: 20
• Formal Charge: 0
• Complexity: 525.000
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 2

XLogP3

References

1. Jiang Jinhui, Pan Yiwen, Zhao Jingyi, Zhang Siwei, Ma Fulong, Zhang Zicong, Liu Mengli, Qiu Zijie, Zhao Zheng, Sun Jianwei, Kwok Ryan T. K., Xiong Yu, Lam Jacky W. Y., Han Wei, Tang Ben Zhong.  (2026)  Poly(vinyl alcohol) induced chirality inversion and amplification of circularly polarized room-temperature phosphorescence in homopolypeptide aggregates.  Nature Communications,      [PMID:41708632] [10.1038/s41467-026-69707-3]