2,5-Dichloro-1,4-phenylenediamine - ≥98% , CAS No.20103-09-7

CAS: 20103-09-7 Cat. No.: D132951 Molecular Weight: 177.03 Beilstein Registry Number: 13118 EC Number: 243-512-1
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
1,4-Diamino-2,5-dichlorobenzene | 2,5-Dichloro-p-phenylenediamine
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
D132951-1g
2

$9.90

$14.90
Save $5.00 (33.56%)
5g
D132951-5g
7

$15.90

$23.90
Save $8.00 (33.47%)
25g
D132951-25g
1

$26.90

$40.90
Save $14.00 (34.23%)
100g
D132951-100g
1

$95.90

$143.90
Save $48.00 (33.36%)
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C Ships Wet ice 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 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
1, 4-Diamino-2, 5-dichlorobenzene | 2, 5-Dichloro-p-phenylenediamine
Specifications & Purity
≥98%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid488183111
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488183111
Canonical SmilesC1=C(C(=CC(=C1Cl)N)Cl)N
IUPAC Name2,5-dichlorobenzene-1,4-diamine
InChIKeyQAYVHDDEMLNVMO-UHFFFAOYSA-N
INCHI1S/C6H6Cl2N2/c7-3-1-5(9)4(8)2-6(3)10/h1-2H,9-10H2
Isomeric SMILES C1=C(C(=CC(=C1Cl)N)Cl)N
RTECS SS9150000
Molecular Weight 177.03
Beilstein 13118
Reaxy-Rn 2803055
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2803055&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
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassHalobenzenes
Intermediate Tree Nodes Chlorobenzenes
Direct ParentDichlorobenzenes
Alternative Parents Aniline and substituted anilines  Aryl chlorides  Primary amines  Organopnictogen compounds  Organochlorides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Aniline or substituted anilines - 1,4-dichlorobenzene - Aryl halide - Aryl chloride - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Primary amine - Organonitrogen compound - Organochloride - Organohalogen compound - Amine - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as dichlorobenzenes. These are compounds containing a benzene with exactly two chlorine atoms attached to it.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
GAA Tclin Lysosomal alpha-glucosidase (35701 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
Associated Targets(non-human)
Plasmodium falciparum (966862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Rorc Nuclear receptor ROR-gamma (89407 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.

20 results found

Lot NumberCertificate TypeDateItem
F2526042Certificate of AnalysisJul 01, 2025 D132951
I2510142Certificate of AnalysisMay 23, 2025 D132951
E2517034Certificate of AnalysisMay 23, 2025 D132951
G2312900Certificate of AnalysisApr 18, 2025 D132951
G2312806Certificate of AnalysisApr 08, 2025 D132951
G2312906Certificate of AnalysisApr 08, 2025 D132951
G2312896Certificate of AnalysisApr 08, 2025 D132951
G2312842Certificate of AnalysisApr 08, 2025 D132951
G2312805Certificate of AnalysisApr 08, 2025 D132951
G2312797Certificate of AnalysisApr 08, 2025 D132951
G2312793Certificate of AnalysisApr 08, 2025 D132951
F2523438Certificate of AnalysisApr 13, 2024 D132951
G2502544Certificate of AnalysisApr 13, 2024 D132951
G2502545Certificate of AnalysisApr 13, 2024 D132951
I2124097Certificate of AnalysisJul 14, 2023 D132951
I1508015Certificate of AnalysisMar 16, 2023 D132951
C2127279Certificate of AnalysisJan 12, 2023 D132951
C2127277Certificate of AnalysisJan 12, 2023 D132951
F23171149Certificate of AnalysisJan 12, 2023 D132951
C2127280Certificate of AnalysisJan 12, 2023 D132951

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Chemical and Physical Properties
Melt Point(°C)164-168°C
Molecular Weight177.030 g/mol
XLogP32.400
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass175.991 Da
Monoisotopic Mass175.991 Da
Topological Polar Surface Area52.000 Ų
Heavy Atom Count10
Formal Charge0
Complexity106.000
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. Haozhen Zhang, Jingjing Liu, Yong Zhang, Bei Cheng, Bicheng Zhu, Linxi Wang.  (2023)  BiOBr/COF S-scheme photocatalyst for H2O2 production via concerted two-electron pathway.  JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,      [PMID:] [10.1016/j.jmst.2023.05.030]
2. Fangpei Ma, Xiao Chi, Ying Wen, Qihong Yue, Tao Chen, Xiaojiang Yu, Xiaoling Liu, Yu Zhou, Jun Wang.  (2025)  Engineering charge transfer by tethering halogens to covalent organic frameworks for photocatalytic sacrificial hydrogen evolution.  Chemical Science,      [PMID:40529567] [10.1039/D5SC00082C]
Solution Calculators
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