8-Amino-4-hydroxynaphthalene-2-sulfonic acid

Base Information

• Chemical Name: 8-Amino-4-hydroxynaphthalene-2-sulfonic acid
• CAS No.: 489-78-1
• Molecular Formula: C10H9NO4S
• Molecular Weight: 239.252
• Hs Code.: 2922299090
• European Community (EC) Number: 207-700-7
• NSC Number: 2602
• DSSTox Substance ID: DTXSID30197634
• Nikkaji Number: J82.083K
• Wikidata: Q83070444
• ChEMBL ID: CHEMBL1730401
• Mol file: 489-78-1.mol

Synonyms:489-78-1;8-amino-4-hydroxynaphthalene-2-sulfonic acid;M Acid;5-Amino-1-naphthol-3-sulfonic Acid;1-Amino-5-naphthol-7-sulfonic acid;8-Amino-4-hydroxy-2-naphthalenesulfonic acid;8-Amino-4-hydroxynaphthalene-2-sulphonic acid;MLS002637632;EINECS 207-700-7;2-Naphthalenesulfonic acid, 8-amino-4-hydroxy-;M-Saure;M-Acid;SCHEMBL155753;CHEMBL1730401;DTXSID30197634;NCI2602;NSC2602;BDBM231694;HMS3079B19;RR535;NSC 2602;NSC-2602;1-Amin-5-Naphthol-7-Sulfonic acid;BBL034690;STL426741;AKOS015897375;1-Naphthol-3-sulfonic acid, 5-amino-;AS-66214;SMR001547159;A0368;CS-0314024;FT-0632213;1-hydroxy-5-aminonaphthalene-3-sulphonic acid;D78434;A827637;5-AMINO-1-NAPHTHOL-3-SULFONIC ACID 97+%

Chemical Property of 8-Amino-4-hydroxynaphthalene-2-sulfonic acid

Chemical Property:

• Melting Point: ?140?°C
• Refractive Index: 1.748
• Boiling Point: ?6.9?°C(lit.)
• PKA: -0.35±0.40(Predicted)
• Flash Point: -80?°C
• PSA: 109.00000
• Density: 1.627 g/cm³
• LogP: 3.03630
• XLogP3: -0.9
• Hydrogen Bond Donor Count: 3
• Hydrogen Bond Acceptor Count: 5
• Rotatable Bond Count: 1
• Exact Mass: 239.02522894
• Heavy Atom Count: 16
• Complexity: 350

Purity/Quality:

98%,99%, ^*data from raw suppliers

5-Amino-1-naphthol-3-sulfonic Acid Hydrate >97.0%(T) ^*data from reagent suppliers

Safty Information:

• Statements: 36/37/38
• Safety Statements: 26-36/37/39

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC2=C(C=C(C=C2O)S(=O)(=O)O)C(=C1)N

Technology Process of 8-Amino-4-hydroxynaphthalene-2-sulfonic acid

There total 11 articles about 8-Amino-4-hydroxynaphthalene-2-sulfonic 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:

4,8-diamino-naphthalene-2-sulfonic acid → 1-amino-5-hydroxynaphthalene-7-sulphonic acid (489-78-1)

Guidance literature:

With diluted acid; at 140 ℃; im geschlossenen Gefaess;

Reference yield:

→ 1-amino-5-hydroxynaphthalene-7-sulphonic acid (489-78-1)

Guidance literature:

With sodium hydroxide; water; at 170 - 180 ℃;

Reference yield:

1-amino-5-hydroxy-naphthalene-2,7-disulfonic acid → 1-amino-5-hydroxynaphthalene-7-sulphonic acid (489-78-1)

Guidance literature:

With sulfuric acid; at 130 - 135 ℃; im geschlossenen Gefaess;

upstream raw materials:

1-acetamidonaphthalene

water

sulfuric acid

5-Aminonaphthalene-1,3-disulfonic acid

Downstream raw materials:

C₁₇H₁₆BNO₆S

8-anilino-4-hydroxy-naphthalene-2-sulfonic acid

3-hydroxy 2-methylbenzoic acid

Refernces

• 1、 -. "Copper complexes of sulpho groups containing disazo dyestuffs". . . Retrieved 2008/06/13.