Disodium 4-hydroxynaphthalene-2,7-disulphonate

Base Information

• Chemical Name: Disodium 4-hydroxynaphthalene-2,7-disulphonate
• CAS No.: 20349-39-7
• Deprecated CAS: 1189574-99-9
• Molecular Formula: C10H6Na2O7S2
• Molecular Weight: 348.265
• Hs Code.: 29089910
• European Community (EC) Number: 243-754-8,629-603-2
• DSSTox Substance ID: DTXSID4066597
• Mol file: 20349-39-7.mol

Synonyms:20349-39-7;1-Naphthol-3,6-disulfonic acid disodium salt;Sodium 4-hydroxynaphthalene-2,7-disulfonate;Disodium 4-hydroxynaphthalene-2,7-disulphonate;1-Naphthol-3,6-disulfonic acid, sodium salt;79873-37-3;4-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt;2,7-Naphthalenedisulfonic acid, 4-hydroxy-, sodium salt;2,7-Naphthalenedisulfonic acid, 4-hydroxy-, disodium salt;2,7-Naphthalenedisulfonic acid, 4-hydroxy-, sodium salt (1:2);Naphthol disulfonic acid sodium;EINECS 243-754-8;NSC 163929;starbld0032498;AI3-28534;Violet Acid Disodium Salt;SCHEMBL565059;DTXSID4066597;Rudolf Guercke Acid Disodium Salt;2,7-Naphthalenedisulfonic acid, 4-hydroxy-, sodium salt (1:?);MFCD00003966;Disodium 1-Naphthol-3,6-disulfonate;AKOS015892717;FT-0600416;V0037;Disodium 4-hydroxy-2,7-naphthalenedisulfonate;disodium;4-hydroxynaphthalene-2,7-disulfonate;W-107628

Chemical Property of Disodium 4-hydroxynaphthalene-2,7-disulphonate

Chemical Property:

• Appearance/Colour: pinkish-grey presscake
• Vapor Pressure: 0Pa at 25℃
• Melting Point: 300℃
• Boiling Point: 214-215 °C (16 mmHg)
• Flash Point: 201-202°C/9mm
• PSA: 151.39000
• Density: 1.816[at 20℃]
• LogP: 2.51520
• Water Solubility.: 1000g/L at 25℃
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 7
• Rotatable Bond Count: 0
• Exact Mass: 347.93503344
• Heavy Atom Count: 21
• Complexity: 501

Purity/Quality:

99.9% ^*data from raw suppliers

Disodium 1-Naphthol-3,6-disulfonate Hydrate ^*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

Useful:

• Canonical SMILES: C1=CC2=C(C=C(C=C2C=C1S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Na+].[Na+]