4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid

Base Information

• Chemical Name: 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid
• CAS No.: 90-20-0
• Deprecated CAS: 94475-69-1
• Molecular Formula: C10H9NO7S2
• Molecular Weight: 319.316
• Hs Code.: 2922.21
• European Community (EC) Number: 201-975-7,226-736-4,285-253-7,291-627-0,305-476-6,308-563-7,291-635-4,291-633-3,291-638-0,291-630-7,308-556-9,629-577-2
• NSC Number: 190492
• UNII: 4WUM31ES4U
• DSSTox Substance ID: DTXSID0046981
• Nikkaji Number: J3.554H
• Wikidata: Q906915
• ChEMBL ID: CHEMBL60494
• Mol file: 90-20-0.mol

Synonyms:4-amino-5-hydroxynaphthalene-2,7-disulfonic acid;4-amino-5-hydroxynaphthalene-2,7-disulphonic acid monosodium salt;AHNDMS cpd

Chemical Property of 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid

Chemical Property:

• Appearance/Colour: White to gray-yellow powder
• Melting Point: >300 °C(lit.)
• Refractive Index: 1.7640 (estimate)
• PKA: -0.95±0.40(Predicted)
• PSA: 171.75000
• Density: 1.88 g/cm³
• LogP: 3.36380
• XLogP3: 0.2
• Hydrogen Bond Donor Count: 4
• Hydrogen Bond Acceptor Count: 8
• Rotatable Bond Count: 2
• Exact Mass: 318.98204397
• Heavy Atom Count: 20
• Complexity: 561

Purity/Quality:

99% ^*data from raw suppliers

4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid 95+% ^*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=C2C=C(C=C(C2=C(C=C1S(=O)(=O)O)N)O)S(=O)(=O)O
• Uses: 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic Acid is useful for preparing reactive dyes.

Technology Process of 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid

There total 23 articles about 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid 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: 65.86%

C10H8N2O6S2(2-)*2Na(1+) → 4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid (90-20-0)

Guidance literature:

With sulfuric acid; water; at 90 ℃; for 5h;

Reference yield:

→ 1,3,5-trichloro-2,4,6-triazine (108-77-0) + 4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid (90-20-0)

Guidance literature:

Reference yield:

1-aminonaphthalene-3,6,8-trisulphonic acid trisodium salt → chromatotropic acid (148-25-4) + 4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid (90-20-0) + C10H9NO7S2

Guidance literature:

1-aminonaphthalene-3,6,8-trisulphonic acid trisodium salt; With sodium hydroxide; In methanol; at 180 - 200 ℃; under 21002.1 Torr;

With sulfuric acid; In methanol;

upstream raw materials:

8-amino-naphthalene-1,3,6-trisulfonic acid

1,8-diamino-3,6-naphthalenedisulfonic acid

sulfuric acid

1H-naphtho[1,8-de][1,2,3]triazine-5,8-disulfonic acid

Downstream raw materials:

5-amino-4-hydroxy-3-(4-hydroxy-phenylazo)-naphthalene-2,7-disulfonic acid

5-amino-3-(4-chloro-phenylazo)-4-hydroxy-naphthalene-2,7-disulfonic acid

5-amino-3-(2-chloro-phenylazo)-4-hydroxy-naphthalene-2,7-disulfonic acid

1-amino-8-naphthol-7-(4-aminosulfophenyldiazinyl)-3,6-disulfonic acid

Refernces

• 1、 Bokhari, Syed Ahmad Raza,Khan, Rana Rashad Mahmood,Tahir, Muhammad Saqlain,Tahir, Naveed,Syed, Quratulain,Adnan, Ahmad. "Synthesis, characterization and RP-HPLC method development and validation for simultaneous determination of Koch acid and H acid". . p. 469 - 478. Retrieved 2016/08/31.
• 2、 -. "Polyazo dyes containing a plurality of hydroxy sulfonyl groups". . . Retrieved 2008/06/13.