Spadns

Base Information

• Chemical Name: Spadns
• CAS No.: 23647-14-5
• Molecular Formula: C16H9N2Na3O11S3
• Molecular Weight: 570.40
• Hs Code.: 2927 00 00
• European Community (EC) Number: 245-803-9
• UNII: 8C9EXU0M2M
• DSSTox Substance ID: DTXSID3066920
• Wikidata: Q27270176
• Mol file: 23647-14-5.mol

Synonyms:2-(4-sulphophenyloazo)-1,8-dihydroxy-3,6-napthalenedisulphonic acid;SPADNS

Chemical Property of Spadns

Chemical Property:

• Appearance/Colour: dark red-brown crystalline powder
• Melting Point: >300 °C
• PSA: 261.92000
• LogP: 4.62110
• Storage Temp.: Store at +15°C to +25°C.
• Solubility.: 220g/l
• Water Solubility.: Soluble in water (10 mg/ml), and ethanol (1 mg/ml). very slightly soluble or insoluble in alcohol and organic solvents.
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 13
• Rotatable Bond Count: 2
• Exact Mass: 569.90615547
• Heavy Atom Count: 35
• Complexity: 979

Purity/Quality:

98% ^*data from raw suppliers

Trisodium2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-36

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Dyes -> Azo Dyes
• Canonical SMILES: C1=CC(=CC=C1N=NC2=C(C3=C(C=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])O)O)S(=O)(=O)[O-].[Na+].[Na+].[Na+]
• Uses: Sulfanilic acid azochromotrop is used as an indicator for complexometric determinations of zirconium and thorium. It is used as a reagent for drinking and wastewater analysis using Hach Method 8029, Fluoride, SPADNS Method.