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Product Describtion:
Acid yellow 25 is an anionic azo dye with λ|max|392nm.|Acid yellow is also available as:|Acid Yellow 99 修改为 Acid yellow 25 is an anionic azo dye with λmax 392nm.
| Pubchem Sid | 488200484 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488200484 |
| Canonical Smiles | CC1=C(C=C(C=C1)N=NC2C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)[O-])C)S(=O)(=O)NC4=CC=CC=C4.[Na+] |
| IUPAC Name | sodium;4-[3-methyl-4-[[4-methyl-3-(phenylsulfamoyl)phenyl]diazenyl]-5-oxo-4H-pyrazol-1-yl]benzenesulfonate |
| InChIKey | WYLWMAWLDZBLRN-UHFFFAOYSA-M |
| INCHI | 1S/C23H21N5O6S2.Na/c1-15-8-9-18(14-21(15)35(30,31)27-17-6-4-3-5-7-17)24-25-22-16(2)26-28(23(22)29)19-10-12-20(13-11-19)36(32,33)34;/h3-14,22,27H,1-2H3,(H,32,33,34);/q;+1/p-1 |
| Isomeric SMILES | CC1=C(C=C(C=C1)N=NC2C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)[O-])C)S(=O)(=O)NC4=CC=CC=C4.[Na+] |
| WGK Germany | 3 |
| PubChem CID | 23675736 |
| Molecular Weight | 549.55 |
Comprehensive hazard, handling, storage, and regulatory compliance document.
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View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Benzenoids |
| Class | Benzene and substituted derivatives |
| Subclass | Sulfanilides |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Sulfanilides |
| Alternative Parents | Alpha amino acids and derivatives Benzenesulfonamides Benzenesulfonic acids and derivatives 1-sulfo,2-unsubstituted aromatic compounds Benzenesulfonyl compounds Toluenes Pyrazolones Organosulfonamides Organosulfonic acids Aminosulfonyl compounds Azo compounds Propargyl-type 1,3-dipolar organic compounds Azacyclic compounds Hydrocarbon derivatives Organic oxides Organic sodium salts Carbonyl compounds Organic cations |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Alpha-amino acid or derivatives - Benzenesulfonamide - Sulfanilide - Benzenesulfonate - Arylsulfonic acid or derivatives - Benzenesulfonyl group - 1-sulfo,2-unsubstituted aromatic compound - Toluene - Pyrazolinone - Organosulfonic acid amide - Organosulfonic acid - Sulfonyl - Aminosulfonyl compound - Organosulfonic acid or derivatives - Pyrazoline - Organic sulfonic acid or derivatives - Azo compound - Propargyl-type 1,3-dipolar organic compound - Organic 1,3-dipolar compound - Organoheterocyclic compound - Carboxylic acid derivative - Organic alkali metal salt - Azacycle - Organic nitrogen compound - Organic oxygen compound - Organic salt - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organic sodium salt - Carbonyl group - Hydrocarbon derivative - Organic oxide - Organic cation - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as sulfanilides. These are organic aromatic compounds containing a sulfanilide moiety, with the general structure RS(=O)(=O)NC1=CC=CC=C1. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Jan 20, 2026 | A330858 | |
| Certificate of Analysis | Jan 20, 2026 | A330858 | |
| Certificate of Analysis | Jan 20, 2026 | A330858 | |
| Certificate of Analysis | Jan 20, 2026 | A330858 | |
| Certificate of Analysis | Jan 20, 2026 | A330858 | |
| Certificate of Analysis | Jan 20, 2026 | A330858 | |
| Certificate of Analysis | Jan 20, 2026 | A330858 | |
| Certificate of Analysis | Jan 20, 2026 | A330858 |
| Solubility | Soluble in water (patly). |
|---|---|
| Refractive Index | n20D~1.70 (Predicted) |
| Molecular Weight | 549.600 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 10 |
| Rotatable Bond Count | 7 |
| Exact Mass | 549.075 Da |
| Monoisotopic Mass | 549.075 Da |
| Topological Polar Surface Area | 178.000 Ų |
| Heavy Atom Count | 37 |
| Formal Charge | 0 |
| Complexity | 1070.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 1 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 2 |
| 1. Yehao Jin, Aiwen Zhang, Guanying Dong, Jingwei Hou, Junyong Zhu, Yatao Zhang. (2024) Ultrathin membranes comprising polymers of intrinsic microporosity oligomers for high-performance organic solvent nanofiltration. JOURNAL OF MEMBRANE SCIENCE, [PMID:] [10.1016/j.memsci.2024.123436] |