Determine the necessary mass, volume, or concentration for preparing a solution.
for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Desiccated,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 6 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Ponceau Xylidine is a red powder which is easily soluble in water. It is used as a substitute for cochineal dye.
Colour Index Number 16150
Ponceau Xylidine has been used as part of the Goldner’s trichome stain to stain thin sections. It has also been used to prepare Fuchsin-Ponceau solution to stain an amyotrophic lateral sclerosis tissue-engineered skin model (ALS-TES).
A stain used in histology and in Masson’s trichrome stain.
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 |
| Classe | Naphthalenes |
| Subclass | Naphthalene sulfonic acids and derivatives |
| Intermediate Tree Nodes | Naphthalene sulfonates |
| Direct Parent | 2-naphthalene sulfonates |
| Alternative Parents | 2-naphthalene sulfonic acids and derivatives 1-sulfo,2-unsubstituted aromatic compounds m-Xylenes Phenoxides Sulfonyls Organosulfonic acids Azo compounds Propargyl-type 1,3-dipolar organic compounds Organopnictogen compounds Organooxygen compounds Organic sodium salts Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic homopolycyclic compounds |
| Substituents | 2-naphthalene sulfonic acid or derivatives - 2-naphthalene sulfonate - Arylsulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - M-xylene - Xylene - Phenoxide - Monocyclic benzene moiety - 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 - Hydrocarbon derivative - Organic oxide - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organopnictogen compound - Organic salt - Organic nitrogen compound - Organic oxygen compound - Aromatic homopolycyclic compound |
| Descrição | This compound belongs to the class of organic compounds known as 2-naphthalene sulfonates. These are organic aromatic compounds that contain a naphthalene moiety that carries a sulfonic acid group at the 2-position. Naphthalene is a bicyclic compound that is made up of two fused benzene ring. |
| External Descriptors | organic sodium salt |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Data | Item |
|---|---|---|---|
| Certificate of Analysis | Oct 13, 2025 | P104989 | |
| Certificate of Analysis | Oct 13, 2025 | P104989 | |
| Certificate of Analysis | Oct 13, 2025 | P104989 | |
| Certificate of Analysis | Oct 13, 2025 | P104989 | |
| Certificate of Analysis | Aug 11, 2025 | P104989 | |
| Certificate of Analysis | May 08, 2023 | P104989 | |
| Certificate of Analysis | May 08, 2023 | P104989 | |
| Certificate of Analysis | May 08, 2023 | P104989 | |
| Certificate of Analysis | May 08, 2023 | P104989 |
| Solubilidade | Solubility: Soluble in water. |
|---|---|
| Peso molecular | 480.400 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 9 |
| Rotatable Bond Count | 2 |
| Exact Mass | 480.004 Da |
| Monoisotopic Mass | 480.004 Da |
| Topological Polar Surface Area | 176.000 Ų |
| Heavy Atom Count | 31 |
| Formal Charge | 0 |
| Complexity | 791.000 |
| 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 |