4-Amino-5-hydroxynaphthalene-1,7-disulfonic acid

Base Information

• Chemical Name: 4-Amino-5-hydroxynaphthalene-1,7-disulfonic acid
• CAS No.: 130-23-4
• Molecular Formula: C10H9NO7S2
• Molecular Weight: 319.316
• Hs Code.: 2922299090
• European Community (EC) Number: 204-982-3
• NSC Number: 7110
• UNII: XG4RHP73ZN
• DSSTox Substance ID: DTXSID60156279
• Nikkaji Number: J7.405E
• Wikidata: Q72439881
• Mol file: 130-23-4.mol

Synonyms:130-23-4;4-amino-5-hydroxynaphthalene-1,7-disulfonic acid;K acid;1-Amino-8-naphthol-4,6-disulfonic acid;4-Amino-5-hydroxynaphthalene-1,7-disulphonic acid;1,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-;XG4RHP73ZN;4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid;NSC-7110;EINECS 204-982-3;AI3-50014;K-Saure;UNII-XG4RHP73ZN;4-amino-5-hydroxy-naphthalene-1,7-disulfonic acid;SCHEMBL156092;DTXSID60156279;NSC7110;NSC 7110;MFCD00035711;AKOS015967081;BS-42110;FT-0760180;F87056;l,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-

Chemical Property of 4-Amino-5-hydroxynaphthalene-1,7-disulfonic acid

Chemical Property:

• Appearance/Colour: light brown powder
• Refractive Index: 1.764
• PKA: -0.83±0.40(Predicted)
• PSA: 171.75000
• Density: 1.88 g/cm³
• LogP: 3.36380
• Water Solubility.: 20g/L at 26.4℃
• 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:

99.9% ^*data from raw suppliers

4-amino-5-hydroxynaphthalene-1,7-disulfonicacid 95% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi,T
• Hazard Codes: Xi,T

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC(=C2C=C(C=C(C2=C1N)O)S(=O)(=O)O)S(=O)(=O)O
• Uses: Azo dye intermediate.

Technology Process of 4-Amino-5-hydroxynaphthalene-1,7-disulfonic acid

There total 4 articles about 4-Amino-5-hydroxynaphthalene-1,7-disulfonic 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-amino-5-hydroxy-2,7-naphthalenedisulfonic acid (90-20-0) → 4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid (130-23-4)

Guidance literature:

Reference yield:

8-amino-naphthalene-1,3,5-trisulfonic acid (17894-99-4) → 4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid (130-23-4)

Guidance literature:

With alkali hydroxide; at 150 - 220 ℃;

Reference yield:

8-amino-naphthalene-1,3,5-trisulfonic acid (17894-99-4) + furan-2,3,5(4H)-trione pyridine (1:1) → 4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid (130-23-4)

Guidance literature:

at 170 - 175 ℃; unter Druck;

upstream raw materials:

8-amino-naphthalene-1,3,5-trisulfonic acid

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

Downstream raw materials:

C₂₇H₂₁N₃O₁₆S₅

4-(5-benzoyl-4-hydroxy-2-methoxyphenylazo)-5-hydroxy-1,7-naphthalenedisulphonic acid

Gamma Acid

C₂₇H₂₁N₃O₁₃S₄

Refernces

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