Reactive blue 4 - Dye content 35 % , CAS No.13324-20-4

CAS: 13324-20-4 Cat. No.: R335785 Molecular Weight: 637.43 Beilstein Registry Number: 602258 EC Number: 236-363-9 PubChem CID: 25863
AVAILABLE TO ORDER
GRADE & PURITY Dye content 35 %
Synonyms
C.I. 61205 | 1-Amino-4-[3-(4,6-dichlorotriazin-2-ylamino)-4-sulfophenylamino]anthraquinone-2-sulfonic acid
Storage
Protected from light,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
R335785-5g
1
$63.90
25g
R335785-25g
1-2 wks(?)
Item is derived from our semi-finished stock and is processed in 1-2 weeks.
$219.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

Dye content 35 % for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Reactive blue 4 is an anthraquinone organic dye with an absorption maximum of 595 nm.

Specifications

Synonyms
C.I. 61205 | 1-Amino-4-[3-(4, 6-dichlorotriazin-2-ylamino)-4-sulfophenylamino]anthraquinone-2-sulfonic acid
Specifications & Purity
Dye content 35 %
Biochemical and Physiological Mechanisms
Reactive Blue 4 is an anthraquinone dye, as a single colorimetric chemosensor for sequential determination of multiple analytes with different optical responses in aqueous media. Reactive Blue 4 is phytotoxic, cytotoxic and genotoxic. Reactive Blue 4.
Storage
Protected from light, Room temperature
Shipped In
Normal
Product Properties
pKapKa: -1.22 (Predicted), pKa: 0.49 (Predicted)
Ki DataP2Y12: Ki= 17.1 μM (human)
Names and Identifiers
Pubchem Sid488182981
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488182981
Canonical SmilesC1=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 Name1-amino-4-[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfoanilino]-9,10-dioxoanthracene-2-sulfonic acid
InChIKeyRTLULCVBFCRQKI-UHFFFAOYSA-N
INCHI1S/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

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassAnthracenes
SubclassAnthraquinones
Intermediate Tree Nodes Not available
Direct ParentAnthraquinones
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 FrameworkAromatic 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
DescriptionThis 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
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

14 results found

Lot NumberCertificate TypeDateItem
G2303202Certificate of AnalysisApr 03, 2026 R335785
G2303205Certificate of AnalysisApr 03, 2026 R335785
D2608497Certificate of AnalysisMar 27, 2026 R335785
D2608513Certificate of AnalysisMar 27, 2026 R335785
I2503728Certificate of AnalysisJul 17, 2025 R335785
I2503751Certificate of AnalysisJul 17, 2025 R335785
G2518617Certificate of AnalysisJul 12, 2025 R335785
G2518618Certificate of AnalysisJul 12, 2025 R335785
A2515504Certificate of AnalysisJan 09, 2025 R335785
A2515509Certificate of AnalysisJan 09, 2025 R335785
G2424218Certificate of AnalysisJul 09, 2024 R335785
G2424219Certificate of AnalysisJul 09, 2024 R335785
G2303147Certificate of AnalysisJun 21, 2023 R335785
G2303197Certificate of AnalysisJun 21, 2023 R335785

Show more ⌵

Chemical and Physical Properties
SolubilitySoluble in water (45 mg/ml at 20° C).
SensitivityLight sensitive
Refractive Indexn20D1.78 (Predicted)
Molecular Weight637.400 g/mol
XLogP34.700
Hydrogen Bond Donor Count5
Hydrogen Bond Acceptor Count14
Rotatable Bond Count6
Exact Mass635.969 Da
Monoisotopic Mass635.969 Da
Topological Polar Surface Area248.000 Ų
Heavy Atom Count41
Formal Charge0
Complexity1220.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Xie Yifan, Feng Shuo, Deng Linxiao, Cai Aoran, Gan Liyu, Jiang Zifan, Yang Peng, Ye Guilin, Liu Zaiqing, Wen Li, Zhu Qing, Zhang Wanjun, Zhang Zhanpeng, Li Jiahe, Feng Zeyu, Zhang Chutian, Du Wenjie, Xu Lixin, Jiang Jun, Chen Xin, Zou Gang.  (2023)  Inverse design of chiral functional films by a robotic AI-guided system.  Nature Communications,  14  (1): (1-13).  [PMID:37794036] [10.1038/s41467-023-41951-x]
2. Tianlong Yu, Shixiang Lu, Wenguo Xu.  (2018)  A reliable filter for oil-water separation: Bismuth coated superhydrophobic/superoleophilic iron mesh.  JOURNAL OF ALLOYS AND COMPOUNDS,      [PMID:] [10.1016/j.jallcom.2018.07.305]
3. Shiyue Bian, Chenjuan Zhou, Peiran Li, Jiyang Liu, Xiaoping Dong, Fengna Xi.  (2016)  Graphene Quantum Dots Decorated Titania Nanosheets Heterojunction: Efficient Charge Separation and Enhanced Visible-Light Photocatalytic Performance.  ChemCatChem,  (17): (3349-3357).  [PMID:] [10.1002/cctc.201601594]
Solution Calculators
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.