Determine the necessary mass, volume, or concentration for preparing a solution.
Dye content 35 % for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Protected from light,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 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Reactive blue 4 is an anthraquinone organic dye with an absorption maximum of 595 nm.
| pKa | pKa: -1.22 (Predicted), pKa: 0.49 (Predicted) |
|---|---|
| Ki Data | P2Y12: Ki= 17.1 μM (human) |
| Pubchem Sid | 488182981 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488182981 |
| Canonical Smiles | C1=CC=C2C(=C1)C(=O)C3=C(C2=O)C(=C(C=C3NC4=CC(=C(C=C4)S(=O)(=O)O)NC5=NC(=NC(=N5)Cl)Cl)S(=O)(=O)O)N |
| IUPAC Name | 1-amino-4-[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfoanilino]-9,10-dioxoanthracene-2-sulfonic acid |
| InChIKey | RTLULCVBFCRQKI-UHFFFAOYSA-N |
| INCHI | 1S/C23H14Cl2N6O8S2/c24-21-29-22(25)31-23(30-21)28-12-7-9(5-6-14(12)40(34,35)36)27-13-8-15(41(37,38)39)18(26)17-16(13)19(32)10-3-1-2-4-11(10)20(17)33/h1-8,27H,26H2,(H,34,35,36)(H,37,38,39)(H,28,29,30,31) |
| Isomeric SMILES | C1=CC=C2C(=C1)C(=O)C3=C(C2=O)C(=C(C=C3NC4=CC(=C(C=C4)S(=O)(=O)O)NC5=NC(=NC(=N5)Cl)Cl)S(=O)(=O)O)N |
| WGK Germany | 2 |
| RTECS | CB1030000 |
| PubChem CID | 25863 |
| Molecular Weight | 637.43 |
| Beilstein | 602258 |
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 | Anthracenes |
| Subclass | Anthraquinones |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Anthraquinones |
| Alternative Parents | Benzenesulfonic acids and derivatives 1-sulfo,2-unsubstituted aromatic compounds Benzenesulfonyl compounds Aniline and substituted anilines Aryl ketones Aminotriazines Chloro-s-triazines Aryl chlorides Vinylogous amides Sulfonyls Organosulfonic acids Heteroaromatic compounds Azacyclic compounds Secondary amines Organopnictogen compounds Organochlorides Organic oxides Primary amines Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | 9,10-anthraquinone - Anthraquinone - Benzenesulfonate - 1-sulfo,2-unsubstituted aromatic compound - Arylsulfonic acid or derivatives - Benzenesulfonyl group - Aryl ketone - Aniline or substituted anilines - Halo-s-triazine - Chloro-s-triazine - Amino-1,3,5-triazine - Aminotriazine - Aryl halide - 1,3,5-triazine - Monocyclic benzene moiety - Triazine - Aryl chloride - Heteroaromatic compound - Organic sulfonic acid or derivatives - Vinylogous amide - Sulfonyl - Organosulfonic acid - Organosulfonic acid or derivatives - Ketone - Secondary amine - Organoheterocyclic compound - Azacycle - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organochloride - Organohalogen compound - Amine - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - Primary amine - Aromatic heteropolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as anthraquinones. These are organic compounds containing either anthracene-9,10-quinone, 1,4-anthraquinone, or 1,2-anthraquinone. |
| 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 | Apr 03, 2026 | R335785 | |
| Certificate of Analysis | Apr 03, 2026 | R335785 | |
| Certificate of Analysis | Mar 27, 2026 | R335785 | |
| Certificate of Analysis | Mar 27, 2026 | R335785 | |
| Certificate of Analysis | Jul 17, 2025 | R335785 | |
| Certificate of Analysis | Jul 17, 2025 | R335785 | |
| Certificate of Analysis | Jul 12, 2025 | R335785 | |
| Certificate of Analysis | Jul 12, 2025 | R335785 | |
| Certificate of Analysis | Jan 09, 2025 | R335785 | |
| Certificate of Analysis | Jan 09, 2025 | R335785 | |
| Certificate of Analysis | Jul 09, 2024 | R335785 | |
| Certificate of Analysis | Jul 09, 2024 | R335785 | |
| Certificate of Analysis | Jun 21, 2023 | R335785 | |
| Certificate of Analysis | Jun 21, 2023 | R335785 | |
| Certificate of Analysis | Jun 21, 2023 | R335785 | |
| Certificate of Analysis | Jun 21, 2023 | R335785 |
| Solubility | Soluble in water (45 mg/ml at 20° C). |
|---|---|
| Sensitivity | Light sensitive |
| Refractive Index | n20D1.78 (Predicted) |
| Molecular Weight | 637.400 g/mol |
| XLogP3 | 4.700 |
| Hydrogen Bond Donor Count | 5 |
| Hydrogen Bond Acceptor Count | 14 |
| Rotatable Bond Count | 6 |
| Exact Mass | 635.969 Da |
| Monoisotopic Mass | 635.969 Da |
| Topological Polar Surface Area | 248.000 Ų |
| Heavy Atom Count | 41 |
| Formal Charge | 0 |
| Complexity | 1220.000 |
| 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 | 1 |