sodium 2-[(2-hydroxynaphthyl)azo]naphthalenesulphonate

Base Information

• Chemical Name: sodium 2-[(2-hydroxynaphthyl)azo]naphthalenesulphonate
• CAS No.: 1248-18-6
• Molecular Formula: C20H14 N2 O4 S . Na
• Molecular Weight: 400.39
• Hs Code.: 2927000090
• Mol file: 1248-18-6.mol

Synonyms:1-Naphthalenesulfonicacid, 2-[(2-hydroxy-1-naphthalenyl)azo]-, monosodium salt (9CI); C.I. PigmentRed 49 (7CI); C.I. Pigment Red 49, monosodium salt (8CI); 11935 Red; AtulPigment Red RS sodium salt; Brasilaca Red R; Britone Red Y; C.I. 15630;Carnelio Pale Lithol Red; Certiqual Lithol Red; D and C Red No. 10; D&C RedNo. 10; Eljon Lithol Red R; Enialit Red R; FD and C Red No. 10; Graphic Red Y;Irgalite Red RL; Japan Red 205; Kromon Sodium Lithol; Lake Red R; Lake Red RL;Light Red RS; Lithol Red 17676; Lithol Red 3580; Lithol Red 3GS; Lithol Red B;Lithol Red Lake; Lithol Red R; Lithol Red RB Extra; Lithol Red RL 151; LitholRed RS; Lithol Red Sodium Salt; Lithol Red Toner; Lithol Toner; Lithol TonerExtra Light 5000; Lithol Toner Sodium Salt RT 314; Lithol Toner YA 8003; Litholred; Lutetia Red R; Monolite Red R; New York Red; Ohio Red; Oralith Red SRWater Soluble; Pigment Red 49; Plastoresin Red SR; Recolite Red LYS; Red No.205; Resamine Red RB; Resamine Red RC; Segnale Red R; Signal Red; Siloton RedR; Sodium Lithol; Sodium Lithol Red; Sodium Lithol Red 20-4018; Sunburst Red;Tertropigment Red LR; Undeveloped Lithol Toner; Vulcafix Red R; Vulcol Scarlet2G

Chemical Property of sodium 2-[(2-hydroxynaphthyl)azo]naphthalenesulphonate

Chemical Property:

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• PSA: 110.53000
• Density: g/cm³
• LogP: 6.09890

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of sodium 2-[(2-hydroxynaphthyl)azo]naphthalenesulphonate

There total 1 articles about sodium 2-[(2-hydroxynaphthyl)azo]naphthalenesulphonate 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: 89.0%

2-aminonaphthalenesulfonic acid (81-16-3) + β-naphthol (135-19-3) → 2-[(2-hydroxy-1-naphthalenyl)azo]-1-naphthalenesulfonic acid sodium salt (1248-18-6)

Guidance literature:

2-aminonaphthalenesulfonic acid; With hydrogenchloride; sodium hydroxide; sodium nitrite; In water; at 0 ℃; for 0.5h;

β-naphthol; With sodium carbonate; In ethanol; water; at 0 ℃;

DOI:10.1016/j.dyepig.2012.05.001

upstream raw materials:

2-aminonaphthalenesulfonic acid

β-naphthol

Refernces