Dye content,50% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 4 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Application
Chromotrope FB has been used in indirect competitive CLIA (icCLIA) to detect its presence in foods
| Pubchem Sid | 488182525 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488182525 |
| Canonical Smiles | C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)[O-])N=NC3=C(C4=CC=CC=C4C(=C3)S(=O)(=O)[O-])O.[Na+].[Na+] |
| IUPAC Name | disodium;4-hydroxy-3-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate |
| InChIKey | YSVBPNGJESBVRM-UHFFFAOYSA-L |
| INCHI | 1S/C20H14N2O7S2.2Na/c23-20-15-8-4-3-7-14(15)19(31(27,28)29)11-17(20)22-21-16-9-10-18(30(24,25)26)13-6-2-1-5-12(13)16;;/h1-11,23H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2 |
| Isomeric SMILES | C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)[O-])N=NC3=C(C4=CC=CC=C4C(=C3)S(=O)(=O)[O-])O.[Na+].[Na+] |
| WGK Germany | 2 |
| RTECS | QK1925000 |
| Molecular Weight | 502.43 |
| Reaxy-Rn | 4121348 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=4121348&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Benzenoids |
| Class | Naphthalenes |
| Subclass | Naphthalene sulfonic acids and derivatives |
| Intermediate Tree Nodes | Naphthalene sulfonates |
| Direct Parent | 1-naphthalene sulfonates |
| Alternative Parents | 1-naphthalene sulfonic acids and derivatives 1-sulfo,2-unsubstituted aromatic compounds Phenoxides Sulfonyls Organosulfonic acids Azo compounds Propargyl-type 1,3-dipolar organic compounds Organooxygen compounds Organic sodium salts Organic oxides Hydrocarbon derivatives Organic cations |
| Molecular Framework | Aromatic homopolycyclic compounds |
| Substituents | 1-naphthalene sulfonic acid or derivatives - 1-naphthalene sulfonate - Arylsulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - Phenoxide - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Azo compound - Organic alkali metal salt - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic sodium salt - Organic nitrogen compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organic salt - Organic cation - Aromatic homopolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as 1-naphthalene sulfonates. These are organic aromatic compounds that contain a naphthalene moiety that carries a sulfonic acid group at the 1-position. Naphthalene is a bicyclic compound that is made up of two fused benzene ring. |
| 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 |
|---|---|---|---|
 E23151007 | Certificate of Analysis | Apr 10, 2023 | C121938 |
| E2315203 | Certificate of Analysis | Apr 10, 2023 | C121938 |
| E2315234 | Certificate of Analysis | Apr 10, 2023 | C121938 |
| E2315240 | Certificate of Analysis | Apr 10, 2023 | C121938 |
| E2315243 | Certificate of Analysis | Apr 10, 2023 | C121938 |
| E2315244 | Certificate of Analysis | Apr 10, 2023 | C121938 |
| E2315248 | Certificate of Analysis | Apr 10, 2023 | C121938 |
| E2315251 | Certificate of Analysis | Apr 10, 2023 | C121938 |
| E2315253 | Certificate of Analysis | Apr 10, 2023 | C121938 |
| E2315999 | Certificate of Analysis | Apr 10, 2023 | C121938 |
| Solubility | Soluble in water; Slightly soluble in Ethanol; Very slightly soluble in Acetone |
|---|---|
| Flash Point(°F) | 437.0 °F |
| Flash Point(°C) | > 225 °C |
| Melt Point(°C) | 275 °C；λmax：383 nm，515 nm (2nd) |
| Molecular Weight | 502.400 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 9 |
| Rotatable Bond Count | 2 |
| Exact Mass | 501.988 Da |
| Monoisotopic Mass | 501.988 Da |
| Topological Polar Surface Area | 176.000 Ų |
| Heavy Atom Count | 33 |
| Formal Charge | 0 |
| Complexity | 854.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 3 |
| 1. Weijun Xie, Yue Zhang, Lei Xu, Dan Xie, Li Jiang, Yanmao Dong, Yan Yuan. (2023) Degradation of Organic Dyes by the UCNP/h-BN/TiO2 Ternary Photocatalyst. ACS Omega, [PMID:38162774] [10.1021/acsomega.3c01899] |
| 2. Shen Shen, Huimin Li, Jia jia Fu, Hong Bo Wang. (2022) Wastewater purification with different precursors of carbon dots dominated titanium dioxide: Mechanism insight. JOURNAL OF ALLOYS AND COMPOUNDS, [PMID:] [10.1016/j.jallcom.2022.166162] |
| 3. Zhaopeng Wang, Hui Lv, Yu Zhang, Yanan Li. (2024) A sensitive immunochromatography assay based on quantum dot nanobeads for determination of acid orange II. JOURNAL OF FOOD COMPOSITION AND ANALYSIS, [PMID:] [10.1016/j.jfca.2024.106485] |
| 4. Xinmiao Xu, Yi Zhang, Yong Chen, Yu Liu. (2024) Vapor-Driven Crosslinked Hydroxypropyl-β-Cyclodextrin Electrospun Nanofibrous Membranes for Ultrafast Dye Removal. Chemistry-Switzerland, 6 (4): (506-516). [PMID:] [10.3390/chemistry6040029] |
