5-Azaniumylnaphthalene-2-sulfonate

Base Information

• Chemical Name: 5-Azaniumylnaphthalene-2-sulfonate
• CAS No.: 119-79-9
• Molecular Formula: C10H9NO3S
• Molecular Weight: 223.252
• Hs Code.: 29309090
• Mol file: 119-79-9.mol

Synonyms:5-azaniumylnaphthalene-2-sulfonate;2-Naphthalenesulfonicacid, 5(or 8)-amino- (9CI);5-Amino-2-naphthalenesulfonic Acid, ~90per cent;5-ammonio-2-naphthalenesulfonate;InChI=1/C10H9NO3S/c11-10-3-1-2-7-6-8(15(12,13)14)4-5-9(7)10/h1-6H,11H2,(H,12,13,14

Chemical Property of 5-Azaniumylnaphthalene-2-sulfonate

Chemical Property:

• Appearance/Colour: grey-red power
• Vapor Pressure: 0Pa at 25℃
• Melting Point: >300 °C
• Refractive Index: 1.713
• PKA: pK1: 3.80 (25°C)
• PSA: 88.77000
• Density: 1.502 g/cm³
• LogP: 3.33070
• Storage Temp.: Refrigerator
• Solubility.: soluble100mg/mL, clear, brown (1N NH4OH)
• Water Solubility.: 1g/L(16 oC)
• XLogP3: 0.9
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 223.03031432
• Heavy Atom Count: 15
• Complexity: 309

Purity/Quality:

99% ^*data from raw suppliers

5-Amino-2-naphthalenesulfonic Acid ^*data from reagent suppliers

Safty Information:

• Pictogram(s): R36/37/38:Irritating to eyes, respiratory system and skin.
• Hazard Codes: R36/37/38:Irritating to eyes, respiratory system and skin.
• Statements: 36/37/38
• Safety Statements: 26-36/37/39-24/25

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: C1=CC2=C(C=CC(=C2)S(=O)(=O)[O-])C(=C1)[NH3+]
• Uses: Intermediate of dyestuff Fluorescent reagent. 5-Amino-2-naphthalenesulfonic acid (1,6-Cleve′s acid) was used in the synthesis of nitrate reductase and detection of nitrate reduction by anaerobic bacteria.

Technology Process of 5-Azaniumylnaphthalene-2-sulfonate

There total 9 articles about 5-Azaniumylnaphthalene-2-sulfonate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

naphthalene-2-sulfonate (120-18-3) → 5-aminonaphthalene-2-sulfonic acid (119-79-9) + 8-amino-2-naphthalenesulfonic acid (119-28-8)

Guidance literature:

With sulfuric acid; nitric acid; at 25 ℃; anschl. bei 10grad, Reduzieren des erhaltenen Gemisches mit Eisen und sehr verd. Salzsaeure;

Reference yield:

Allura Red AC (25956-17-6) → 5-aminonaphthalene-2-sulfonic acid (119-79-9)

Guidance literature:

With sodium tetrahydroborate; In water;

DOI:10.1016/j.molliq.2021.117492

Reference yield:

1-amino-naphthalene (134-32-7) → 5-aminonaphthalene-2-sulfonic acid (119-79-9)

Guidance literature:

With sulfuric acid; at 125 - 130 ℃;

upstream raw materials:

naphthalene-2-sulfonate

1-nitro-6-naphthalenesulfonic acid

1-amino-naphthalene

sulfuric acid

Downstream raw materials:

5,8-diamino-naphthalene-2-sulfonic acid

1,6-dihydroxynaphthalene

5-amino-2-naphthol

5-amino-8-nitro-naphthalene-2-sulfonic acid