1-Naphthalenesulfonic acid, 2-[(2-hydroxy-1-naphthalenyl)azo]-

Base Information

• Chemical Name: 1-Naphthalenesulfonic acid, 2-[(2-hydroxy-1-naphthalenyl)azo]-
• CAS No.: 29128-55-0
• Deprecated CAS: 12227-58-6,12237-76-2,12237-76-2
• Molecular Formula: C20H14 N2 O4 S
• Molecular Weight: 378.408
• European Community (EC) Number: 249-459-0
• NSC Number: 16089
• UNII: KN0SE6H7BI
• DSSTox Substance ID: DTXSID3067445
• Nikkaji Number: J3.075.213I,J32.283K
• Wikidata: Q75829232
• ChEMBL ID: CHEMBL2004385
• Mol file: 29128-55-0.mol

Synonyms:29128-55-0;Calcium Lithol;Eljon Bordeaux;Lithol Red CA;Calcotone Red 2B;Light Red RCA;Red Toner EBA;Brilliant Toner RB;KN0SE6H7BI;Isol Red Toner RC;Isol Tobias Red RC;Eljon Lithol Red BS;Lithol Red RC Extra;Vulcanosine Red RCKX;D and C red 11;Lithol Red Toner 3BX;Lithol Red 19592;Lithol Red Calcium Toner;CALCIUM LITHOL RED;Winthrop Red X-1666;1-Naphthalenesulfonic acid, 2-[(2-hydroxy-1-naphthalenyl)azo]-;D and C Red No. 11;EINECS 249-459-0;1793 Red;No. 66. Conc. Lithol Toner;1-Naphthalenesulfonic acid, 2-(2-(2-hydroxy-1-naphthalenyl)diazenyl)-;1-Naphthalenesulfonic acid, 2-((2-hydroxy-1-naphthalenyl)azo)-;1-Naphthalenesulfonic acid, 2-((2-hydroxy-1-naphthalenyl)azo)-, sodium salt;C20H14N2O4S.1/2Ca;NSC-16089;2-((2-Hydroxy-1-naphthyl)azo)naphthalenesulphonic acid;2-[(2-hydroxy-1-naphthyl)azo]naphthalenesulphonic acid;UNII-KN0SE6H7BI;SCHEMBL344640;SCHEMBL8947347;CHEMBL2004385;DTXSID3067445;SCHEMBL10021591;NSC16089;LS-194961;1-Naphthalenesulfonic acid, calcium salt (2:1);2'-Hydroxy-(1',2-azobisnaphthalene)-1-sulfonic acid;2-[(2-Hydroxy-1-naphthyl)azo]naphthalenesulfonic acid;2-(2-(2-HYDROXY-1-NAPHTHALENYL)DIAZENYL)-1-NAPHTHALENESULFONIC ACID;2-[2-(2-Oxo-1,2-dihydronaphthalene-1-ylidene)hydrazino]naphthalene-1-sulfonic acid

Chemical Property of 1-Naphthalenesulfonic acid, 2-[(2-hydroxy-1-naphthalenyl)azo]-

Chemical Property:

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• PSA: 104.21000
• Density: 1.42g/cm³
• LogP: 4.65240
• XLogP3: 4.6
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 6
• Rotatable Bond Count: 3
• Exact Mass: 378.06742811
• Heavy Atom Count: 27
• Complexity: 647

Purity/Quality:

98%Min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Chemical Classes: Dyes -> Azo Dyes
• Canonical SMILES: C1=CC=C2C(=C1)C=CC(=C2N=NC3=C(C4=CC=CC=C4C=C3)S(=O)(=O)O)O

Technology Process of 1-Naphthalenesulfonic acid, 2-[(2-hydroxy-1-naphthalenyl)azo]-

There total 1 articles about 1-Naphthalenesulfonic acid, 2-[(2-hydroxy-1-naphthalenyl)azo]- 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:

2-diazonaphthalene-1-sulphonic acid (61572-63-2) + sodium 2-naphtholate (875-83-2) → 2-(2-hydroxy-[1]naphthylazo)-naphthalene-1-sulfonic acid (29128-55-0)

Guidance literature:

With alkali;

upstream raw materials:

2-diazonaphthalene-1-sulphonic acid

sodium 2-naphtholate