o-Dianisidine dihydrochloride - ≥96% , CAS No.20325-40-0

CAS: 20325-40-0 Cat. No.: D278938 Molecular Weight: 317.21 Beilstein Registry Number: 3917996 EC Number: 243-737-5
AVAILABLE TO ORDER
GRADE & PURITY ≥96%
Synonyms
[1,1'-Biphenyl]-4,4'-diamine, 3,3'-dimethoxy-, dihydrochloride | MFCD00012488 | o-Dianisidine (dihydrochloride) | UXTIAFYTYOEQHV-UHFFFAOYSA-N | D1657 | Q27287518 | 3,3'-Dimethoxybenzidine dihydrochloride;C.I. Disperse Black 6 dihydrochloride | 4-(4-amino-
Storage
Store at 2-8°C
Shipped In
Wet ice,FedEx DG Service
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25g
D278938-25g
3
$20.90
100g
D278938-100g
3
$60.90
500g
D278938-500g
1
$272.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥96% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

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

Specifications

Synonyms
[1, 1'-Biphenyl]-4, 4'-diamine, 3, 3'-dimethoxy-, dihydrochloride | MFCD00012488 | o-Dianisidine (dihydrochloride) | UXTIAFYTYOEQHV-UHFFFAOYSA-N | D1657 | Q27287518 | 3, 3'-Dimethoxybenzidine dihydrochloride;C.I. Disperse Black 6 dihydrochloride | 4-(4-amino-
Specifications & Purity
≥96%
Storage
Store at 2-8°C
Shipped In
Wet ice, FedEx DG Service
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥96%
Names and Identifiers
Pubchem Sid504753826
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504753826
Canonical SmilesCOC1=C(C=CC(=C1)C2=CC(=C(C=C2)N)OC)N.Cl.Cl
IUPAC Name4-(4-amino-3-methoxyphenyl)-2-methoxyaniline;dihydrochloride
InChIKeyUXTIAFYTYOEQHV-UHFFFAOYSA-N
INCHI1S/C14H16N2O2.2ClH/c1-17-13-7-9(3-5-11(13)15)10-4-6-12(16)14(8-10)18-2;;/h3-8H,15-16H2,1-2H3;2*1H
Isomeric SMILES COC1=C(C=CC(=C1)C2=CC(=C(C=C2)N)OC)N.Cl.Cl
WGK Germany 3
RTECS DD1050000
UN Number 3261
Packing Group III
Molecular Weight 317.21
Beilstein 3917996
Reaxy-Rn 3917996

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
SubclassBiphenyls and derivatives
Intermediate Tree Nodes Not available
Direct ParentBiphenyls and derivatives
Alternative Parents Methoxyanilines  Aminophenyl ethers  Phenoxy compounds  Methoxybenzenes  Anisoles  Alkyl aryl ethers  Primary amines  Organopnictogen compounds  Organic chloride salts  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Biphenyl - Aminophenyl ether - Methoxyaniline - Phenoxy compound - Anisole - Methoxybenzene - Phenol ether - Aniline or substituted anilines - Alkyl aryl ether - Ether - Organic nitrogen compound - Organic salt - Primary amine - Organic chloride salt - Organooxygen compound - Organonitrogen compound - Hydrocarbon derivative - Organopnictogen compound - Organic oxygen compound - Amine - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as biphenyls and derivatives. These are organic compounds containing to benzene rings linked together by a C-C bond.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
RXRA Tclin Retinoid X receptor alpha (3637 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.

11 results found

Lot NumberCertificate TypeDateItem
H2202072Certificate of AnalysisMay 11, 2026 D278938
H2202073Certificate of AnalysisMay 11, 2026 D278938
H2202080Certificate of AnalysisMay 11, 2026 D278938
B2311577Certificate of AnalysisNov 14, 2022 D278938
B2311598Certificate of AnalysisNov 14, 2022 D278938
B2311601Certificate of AnalysisNov 14, 2022 D278938
B2311602Certificate of AnalysisNov 14, 2022 D278938
B2311606Certificate of AnalysisNov 14, 2022 D278938
B2311612Certificate of AnalysisNov 14, 2022 D278938
C2504095Certificate of AnalysisNov 14, 2022 D278938
H2202075Certificate of AnalysisJun 21, 2022 D278938

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Chemical and Physical Properties
SolubilitySoluble in water and ethanol, slightly soluble in ether.
Melt Point(°C)268°C
Molecular Weight317.200 g/mol
XLogP3
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count4
Rotatable Bond Count3
Exact Mass316.075 Da
Monoisotopic Mass316.075 Da
Topological Polar Surface Area70.500 Ų
Heavy Atom Count20
Formal Charge0
Complexity236.000
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 Count3
Documents & Articles
Citations of This Product
References
1. Kai Dong, Shu-Jing Deng, Bin-Yang He, Zi-Yang Guo, Ze-Lin Guan, Xue Leng, Rui-Rui Ma, Dan-Yang Wang, Jian-Feng Xing, Cui-Yu You.  (2023)  Mucoadhesive Nanoparticles Enhance the Therapeutic Effect of Dexamethasone on Experimental Ulcerative Colitis by the Local Administration as an Enema.  Drug Design Development and Therapy,      [PMID:36718245] [10.2147/DDDT.S390274]
2. Meng Li, Haiping Su, Yan Tu, Yazhuo Shang, Yu Liu, Changjun Peng, Honglai Liu.  (2019)  Development and Application of an Efficient Medium for Chromogenic Catalysis of Tetramethylbenzidine with Horseradish Peroxidase.  ACS Omega,      [PMID:] [10.1021/acsomega.8b03345]
3. Dong Chen, Yu Huang, Huangyong Jiang, Wumaier Yasen, Dongbo Guo, Yue Su, Bai Xue, Xin Jin, Xinyuan Zhu.  (2018)  Fabrication of Activity-Reporting Glucose Oxidase Nanocapsules with Oxygen-Independent Fluorescence Variation.  ACS Applied Materials & Interfaces,      [PMID:30001103] [10.1021/acsami.8b06348]
4. Quan-Quan Zhuang, Zhi-Hang Lin, Yan-Cheng Jiang, Hao-Hua Deng, Shao-Bin He, Li-Ting Su, Xiao-Qiong Shi, Wei Chen.  (2017)  Peroxidase-like activity of nanocrystalline cobalt selenide and its application for uric acid detection.  International Journal of Nanomedicine,      [PMID:28458547] [10.2147/IJN.S128556]
5. Kai Dong, Hefeng Zhang, Yan Yan, Jinyao Sun, Yalin Dong, Ke Wang, Lu Zhang, Xianpeng Shi, Jianfeng Xing.  (2017)  Improvement of side-effects and treatment on the experimental colitis in mice of a resin microcapsule-loading hydrocortisone sodium succinate.  DRUG DEVELOPMENT AND INDUSTRIAL PHARMACY,      [PMID:27819157] [10.1080/03639045.2016.1258410]
6. Aiguo Zeng, Kai Dong, Maoling Wang, Jinyao Sun, Yalin Dong, Ke Wang, Chenning Guo, Yan Yan, Lu Zhang, Xianpeng Shi, Jianfeng Xing.  (2016)  Investigation of the colon-targeting, improvement on the side-effects and therapy on the experimental colitis in mouse of a resin microcapsule loading dexamethasone sodium phosphate.  DRUG DELIVERY,      [PMID:26006768] [10.3109/10717544.2015.1046569]
7. Zhen-Yuan Zhu, You Luo, Guo-Ling Dong, Yuan-Yuan Ren, Li-Jing Chen, Ming-Zhu Guo, Xiao-Ting Wang, Xue-Ying Yang, Yongmin Zhang.  (2016)  Effects of the ultra-high pressure on structure and α-glucosidase inhibition of polysaccharide from Astragalus.  INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,      [PMID:26993530] [10.1016/j.ijbiomac.2016.03.024]
8. Kai Dong, Aiguo Zeng, Maoling Wang, Yalin Dong, Ke Wang, Chenning Guo, Yan Yan, Lu Zhang, Xianpeng Shi, Jianfeng Xing.  (2016)  In vitro and in vivo study of a colon-targeting resin microcapsule loading a novel prodrug, 3,4,5-tributyryl shikimic acid.  RSC Advances,  (20): (16882-16890).  [PMID:] [10.1039/C5RA16971B]
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