4,4'-Diaminostilbene-2,2'-disulfonic Acid - ≥94% , CAS No.81-11-8

CAS: 81-11-8 Cat. No.: D155083 Molecular Weight: 370.39 EC Number: 201-325-2
AVAILABLE TO ORDER
GRADE & PURITY ≥94%
Synonyms
SR-01000944844 | UNII-H68088WVJL | 2,2'-(1,2-Ethylenediyl)bis(5-aminobenzenesulfonic acid) | CAS-81-11-8 | 4-4'-Diamino-2,2'-stilbenedisulphonic acid | Tox21_112127_1 | 2,2'-Disulfo-4,4'-stilbenediamine | SCHEMBL38871 | 2,2'-(1,2-Ethenediyl)bis(5-amino-be
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25g
D155083-25g
4

$17.90

$29.90
Save $12.00 (40.13%)
100g
D155083-100g
4

$47.90

$60.90
Save $13.00 (21.35%)
500g
D155083-500g
2

$150.90

$177.90
Save $27.00 (15.18%)
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Why this grade

≥94% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

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

📚

Literature proof

Cited in 5 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
SR-01000944844 | UNII-H68088WVJL | 2, 2'-(1, 2-Ethylenediyl)bis(5-aminobenzenesulfonic acid) | CAS-81-11-8 | 4-4'-Diamino-2, 2'-stilbenedisulphonic acid | Tox21_112127_1 | 2, 2'-Disulfo-4, 4'-stilbenediamine | SCHEMBL38871 | 2, 2'-(1, 2-Ethenediyl)bis(5-amino-be
Specifications & Purity
≥94%
Storage
Room temperature
Shipped In
Normal
Purity
≥94%
Names and Identifiers
Pubchem Sid488195281
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488195281
Canonical SmilesC1=CC(=C(C=C1N)S(=O)(=O)O)C=CC2=C(C=C(C=C2)N)S(=O)(=O)O
IUPAC Name5-amino-2-[(E)-2-(4-amino-2-sulfophenyl)ethenyl]benzenesulfonic acid
InChIKeyREJHVSOVQBJEBF-OWOJBTEDSA-N
INCHI1S/C14H14N2O6S2/c15-11-5-3-9(13(7-11)23(17,18)19)1-2-10-4-6-12(16)8-14(10)24(20,21)22/h1-8H,15-16H2,(H,17,18,19)(H,20,21,22)/b2-1+
Isomeric SMILES C1=CC(=C(C=C1N)S(=O)(=O)O)/C=C/C2=C(C=C(C=C2)N)S(=O)(=O)O
RTECS WJ6603000
Molecular Weight 370.39
Reaxy-Rn 629516
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=629516&ln=

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
SuperclassPhenylpropanoids and polyketides
ClassStilbenes
SubclassSulfonated stilbenes
Intermediate Tree Nodes Not available
Direct ParentSulfonated stilbenes
Alternative Parents Benzenesulfonic acids and derivatives  Benzenesulfonyl compounds  1-sulfo,2-unsubstituted aromatic compounds  Styrenes  Aniline and substituted anilines  Sulfonyls  Organosulfonic acids  Primary amines  Organopnictogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Sulfonated stilbene - Benzenesulfonate - Arylsulfonic acid or derivatives - Benzenesulfonyl group - 1-sulfo,2-unsubstituted aromatic compound - Styrene - Aniline or substituted anilines - Monocyclic benzene moiety - Benzenoid - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Sulfonyl - Organosulfonic acid - Amine - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Primary amine - Organosulfur compound - Organonitrogen compound - Organic oxygen compound - Organic nitrogen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as sulfonated stilbenes. These are stilbenes that carry a sulfone group at one or more positions of either benzene rings.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
POLK Tbio DNA polymerase kappa (8653 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
EHMT2 Tchem Histone-lysine N-methyltransferase, H3 lysine-9 specific 3 (93046 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PMP22 Tbio Peripheral myelin protein 22 (699 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
GCN5 Histone acetyltransferase GCN5 (89 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Luciferin 4-monooxygenase (66902 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
pfk 6-phospho-1-fructokinase (7870 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ddn Putative uncharacterized protein (49 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
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.

17 results found

Lot NumberCertificate TypeDateItem
E2203256Certificate of AnalysisFeb 04, 2026 D155083
E2203267Certificate of AnalysisFeb 04, 2026 D155083
G2131173Certificate of AnalysisMay 07, 2025 D155083
G2131172Certificate of AnalysisMay 07, 2025 D155083
L2403019Certificate of AnalysisJul 27, 2024 D155083
K2428324Certificate of AnalysisJul 27, 2024 D155083
K2412309Certificate of AnalysisJul 27, 2024 D155083
K2412308Certificate of AnalysisJul 27, 2024 D155083
K2415247Certificate of AnalysisJul 15, 2024 D155083
K2415248Certificate of AnalysisJul 15, 2024 D155083
K2428326Certificate of AnalysisJul 15, 2024 D155083
F2328269Certificate of AnalysisFeb 17, 2022 D155083
I2523048Certificate of AnalysisFeb 17, 2022 D155083
E2203265Certificate of AnalysisFeb 17, 2022 D155083
D2412054Certificate of AnalysisFeb 17, 2022 D155083
B2308456Certificate of AnalysisFeb 17, 2022 D155083
B2308387Certificate of AnalysisApr 06, 2021 D155083

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Chemical and Physical Properties
SolubilitySolubility in water: Practically insoluble; Soluble in Ether,Alcohol
Sensitivitylight sensitive
Melt Point(°C)≥300℃
Molecular Weight370.400 g/mol
XLogP30.300
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count8
Rotatable Bond Count4
Exact Mass370.029 Da
Monoisotopic Mass370.029 Da
Topological Polar Surface Area178.000 Ų
Heavy Atom Count24
Formal Charge0
Complexity606.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count1
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds1
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Jiapei Li, Peng Chen, Jing Zhang, Qing Ji, Ming Yang, Yudai Huang, Ya-Jun Cheng, Kunkun Guo, Yonggao Xia.  (2023)  Having Your Cake and Eating It Too: Electrode Processing Approach Improves Safety and Electrochemical Performance of Lithium-Ion Batteries.  ACS Applied Materials & Interfaces,      [PMID:36918149] [10.1021/acsami.3c00636]
2. Yansu Lan, Die Zhou, Longhuan Lai, Huanhuan Qi, Lei Xia, Stef Depuydt, Bart Van der Bruggen, Yan Zhao.  (2022)  A monovalent selective anion exchange membrane made by poly(2,6-dimethyl-1,4-phenyl oxide) for bromide recovery.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2022.122377]
3. Lei Wang, Qiumeng Zheng, Peilong Xu, Yunjing Li, Yeqiang Tan, Rui Wang, Longyun Hao.  (2021)  Amphiphilic alginate stabilized UV-curable polyurethane acrylate as a surface coating to improve the anti-wrinkle performance of cotton fabrics.  PROGRESS IN ORGANIC COATINGS,      [PMID:] [10.1016/j.porgcoat.2021.106595]
4. Ye Wei, Xuejie Yu, Ping Wang, Yuanyuan Yu, Jiugang Yuan, Qiang Wang, Xuerong Fan.  (2021)  Antibacterial Functionalization of Silk Fabrics following in Situ Coloring with Diazo Salts.  Journal of Natural Fibers,      [PMID:] [10.1080/15440478.2019.1701605]
5. Lingwei Li, Jiale Zhao, Yijiao Zhang, Yao Wang, Yanming Wang, Bihai Su, Feibo Li, Linlin Shi, Ping Li, Zhixiao Zhang, Xiaoliang Zhang, Jingbo Mu, Yu Dong.  (2024)  Construction of proton exchange membrane with high proton conductivity based on 3D self-assembly structures as multiple proton transport channels.  INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,      [PMID:] [10.1016/j.ijhydene.2024.11.355]
Solution Calculators
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