Fluorescent brightener 121

Base Information

• Chemical Name: Fluorescent brightener 121
• CAS No.: 2744-49-2
• Deprecated CAS: 12224-11-2,67894-04-6,2058074-45-4,67894-04-6
• Molecular Formula: C15H14ClN3O2S
• Molecular Weight: 335.814
• Hs Code.: 2935009090
• European Community (EC) Number: 220-378-2
• UNII: 5J494GKT53
• DSSTox Substance ID: DTXSID6062620
• Nikkaji Number: J299.204C
• Wikidata: Q27262394
• Mol file: 2744-49-2.mol

Synonyms:Fluorescent brightener 121;2744-49-2;12224-11-2;Fluorescent brightener 121;BLANKOPHOR MAN 01;4-[5-(4-chlorophenyl)-3,4-dihydropyrazol-2-yl]benzenesulfonamide;UNII-5J494GKT53;5J494GKT53;4-(3-(4-Chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonamide;EINECS 220-378-2;Benzenesulfonamide, 4-(3-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)-;Benzenesulfonamide, 4-[3-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl]-;C15H14ClN3O2S;Benzenesulfonamide, p-[3-(p-chlorophenyl)-2-pyrazolin-1-yl]-;4-(3-(4-Chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)benzenesulphonamide;4-[3-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl]benzenesulphonamide;BENZENESULFONAMIDE, P-(3-(P-CHLOROPHENYL)-2-PYRAZOLIN-1-YL)-;C.I. Fluorescent Brightener 121;BELOFOR SNPA;Cambridge id 5255939;CBDivE_007868;SCHEMBL3138995;DTXSID6062620;AKOS027380104;Benzenesulfonamide, 4-[3-(4-chlorophenyl)-4,5- dihydro-1H-pyrazol-1-yl]-;CI FLUORESCENT BRIGHTENER 121;C.I. Fluorescent Brightening Agent 121;CI 50510;15-(4-IODOPHENYL)PENTADECANOICACID;CI FLUORESCENT BRIGHTENING AGENT 121;AB00076868-01;EN300-24403687;SR-01000201286;SR-01000201286-1;Q27262394;Z56776892;1-(p-sulfamoylphenyl)-3-(p-chlorophenyl)-2-pyrazoline;1-(P-SULFAMOYLPHENYL)-3-(P-CHLOROPHENYL)PYRAZOLINE;1-(P-SULFAMYLPHENYL)-3-(P-CHLOROPHENYL)PYRAZOLINE;3-(P-CHLOROPHENYL)-1-(P-SULFAMIDOPHENYL)-2-PYRAZOLINE;1-(P-SULFONAMIDOPHENYL)-3-(P-CHLOROPHENYL)-.DELTA.2-PYRAZOLINE;4-[3-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl]benzene-1-sulfonamide;4-[3-(4-Chlorophenyl)-4,5-dihydro-1H-pyrazole-1-yl]benzenesulfonamide

Chemical Property of Fluorescent brightener 121

Chemical Property:

• Melting Point: 218-219°C
• Boiling Point: 535.2 °C at 760 mmHg
• PKA: 10.39±0.10(Predicted)
• Flash Point: 277.5 °C
• PSA: 84.14000
• Density: 1.45 g/cm³
• LogP: 3.88350
• XLogP3: 2.7
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 5
• Rotatable Bond Count: 3
• Exact Mass: 335.0495256
• Heavy Atom Count: 22
• Complexity: 515

Purity/Quality:

99.9% ^*data from raw suppliers

FLUORESCENT BRIGHTENER-121 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1CN(N=C1C2=CC=C(C=C2)Cl)C3=CC=C(C=C3)S(=O)(=O)N

Technology Process of Fluorescent brightener 121

There total 1 articles about Fluorescent brightener 121 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:

→ Belofor SNPA (2744-49-2,12224-11-2)

Guidance literature:

4-Hydrazino-benzolsulfonsaeureamid u. β-Dimethylamino-4-chlor-propiophenon*HCl m. NaOH in 40percentig. wss. A. (Siedetemp., 2-3h);

DOI:10.1039/jr9640004825