3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate - Moligand™, ≥98% , CAS No.207738-08-7

CAS: 207738-08-7 Cat. No.: T140620 Molecular Weight: 313.27 (anhydrous basis) EC Number: 688-511-0
AVAILABLE TO ORDER
GRADE & PURITY Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%
Synonyms
3,3 inverted exclamation marka,5,5 inverted exclamation marka-Tetramethylbenzidine dihydrochloride hydrate | 3,3',5,5'-TETRAMETHYL-[1,1'-BIPHENYL]-4,4'-DIAMINE 2HCL HYDRATE | MFCD00150104 | 3,3',5,5'-Tetramethyl-[1,1'-biphenyl]-4,4'-diamine hydrochloride
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
Size
Status
Price
Qty
1g
T140620-1g
2
$9.90
5g
T140620-5g
2
$16.90
25g
T140620-25g
1
$59.90
100g
T140620-100g
1
$209.90
Enter a quantity for the sizes you want to add.
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Why this grade

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

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Storage & shipping

Store at -20°C,Argon charged Ships Ice chest + Ice pads 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.

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Literature proof

Cited in 18 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Excellent colorimetric substrate for detection of horseradish peroxidase labelled probes and is used with peroxidase and peroxidase coupled systems, particularly in ELISA techniques, blue result

Specifications

Synonyms
3, 3 inverted exclamation marka, 5, 5 inverted exclamation marka-Tetramethylbenzidine dihydrochloride hydrate | 3, 3', 5, 5'-TETRAMETHYL-[1, 1'-BIPHENYL]-4, 4'-DIAMINE 2HCL HYDRATE | MFCD00150104 | 3, 3', 5, 5'-Tetramethyl-[1, 1'-biphenyl]-4, 4'-diamine hydrochloride
Specifications & Purity
Moligand™, ≥98%
Storage
Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
Moligand™
Purity
≥98%
Names and Identifiers
Pubchem Sid528757835
Canonical SmilesCC1=CC(=CC(=C1N)C)C2=CC(=C(C(=C2)C)N)C.O.Cl.Cl
IUPAC Name4-(4-amino-3,5-dimethylphenyl)-2,6-dimethylaniline;hydrate;dihydrochloride
InChIKeyKVCWTKDFVVSVSJ-UHFFFAOYSA-N
INCHI1S/C16H20N2.2ClH.H2O/c1-9-5-13(6-10(2)15(9)17)14-7-11(3)16(18)12(4)8-14;;;/h5-8H,17-18H2,1-4H3;2*1H;1H2
Isomeric SMILES CC1=CC(=CC(=C1N)C)C2=CC(=C(C(=C2)C)N)C.O.Cl.Cl
WGK Germany 3
Molecular Weight 313.27 (anhydrous basis)

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 ParentBenzidines
Alternative Parents m-Xylenes  Aniline and substituted anilines  Primary amines  Organic oxides  Hydrochlorides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzidine - M-xylene - Xylene - Aniline or substituted anilines - Organic nitrogen compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Hydrochloride - Primary amine - Organonitrogen compound - Amine - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzidines. These are organic compounds containing the benzidine skeleton, made up of a biphenyl ring system substituted at the 4- and 4'-positions with a unsubstituted amine group.
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.

16 results found

Lot NumberCertificate TypeDateItem
C2624474Certificate of AnalysisMar 09, 2026 T140620
C2624477Certificate of AnalysisMar 09, 2026 T140620
C2624478Certificate of AnalysisMar 09, 2026 T140620
L2116030Certificate of AnalysisSep 17, 2025 T140620
L2116031Certificate of AnalysisSep 17, 2025 T140620
G2523394Certificate of AnalysisJul 14, 2025 T140620
G2523395Certificate of AnalysisJul 14, 2025 T140620
G2529525Certificate of AnalysisJul 14, 2025 T140620
I2418093Certificate of AnalysisSep 24, 2024 T140620
F2509025Certificate of AnalysisMar 07, 2023 T140620
H2304420Certificate of AnalysisMar 07, 2023 T140620
H2304425Certificate of AnalysisMar 07, 2023 T140620
H2304426Certificate of AnalysisMar 07, 2023 T140620
H2304427Certificate of AnalysisMar 07, 2023 T140620
K2429557Certificate of AnalysisMar 07, 2023 T140620
H2231022Certificate of AnalysisSep 02, 2022 T140620

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Chemical and Physical Properties
SolubilitySoluble in DMSO (~1.7 mg/ml), and 1:300 DMSO:PBS (pH 7.2) (0.03 mg/ml).
SensitivityMoisture,Light & Air Sensitive.
Molecular Weight331.300 g/mol
XLogP3
Hydrogen Bond Donor Count5
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass330.127 Da
Monoisotopic Mass330.127 Da
Topological Polar Surface Area53.000 Ų
Heavy Atom Count21
Formal Charge0
Complexity226.000
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 Count4
Citations of This Product
References
1. Yushuai Jiao, Yan Nan, Zhenhua Wu, Xueying Wang, Jiaxu Zhang, Boyu Zhang, Shouying Huang, Jiafu Shi.  (2022)  Mechanochemical synthesis of enzyme@covalent organic network nanobiohybrids.  Applied Materials Today,      [PMID:] [10.1016/j.apmt.2022.101381]
2. Zhuang Wen-Chang, Zhang Hai-Yue, Chen Zhen-Yang, Cheng Wen-Jing, Na Wei-Dan, Li Zhao, Tian Lin.  (2023)  Visual test paper based on Au/δ-MnO2 hollow nanosphere oxidase-like activity regulation using hexavalent chromium as a smart switch.  RARE METALS,      [PMID:] [10.1007/s12598-023-02446-2]
3. Chengpei Du, Lin Qi, Yi Wang, Kanglin Pei, Renwen Zhang, Di Wu, Wenjing Qi.  (2022)  Fluorescence dual “turn-on” detection of acid phosphatase via fluorescence resonance energy transfer and dual quenching strategy to improve sensitivity.  DYES AND PIGMENTS,      [PMID:] [10.1016/j.dyepig.2022.110554]
4. Wenjing Guo, Mian Zhang, Zhangping Lou, Min Zhou, Peng Wang, Hui Wei.  (2018)  Engineering Nanoceria for Enhanced Peroxidase Mimics: A Solid Solution Strategy.  ChemCatChem,  11  (2): (737-743).  [PMID:] [10.1002/cctc.201801578]
5. Yihui Hu, Xuejiao J. Gao, Yunyao Zhu, Faheem Muhammad, Shihua Tan, Wen Cao, Shichao Lin, Zhong Jin, Xingfa Gao, Hui Wei.  (2018)  Nitrogen-Doped Carbon Nanomaterials as Highly Active and Specific Peroxidase Mimics.  CHEMISTRY OF MATERIALS,      [PMID:] [10.1021/acs.chemmater.8b02726]
6. Jing Liu, Meirong Cui, Li Niu, Hong Zhou, Shusheng Zhang.  (2016)  Enhanced Peroxidase-Like Properties of Graphene–Hemin-Composite Decorated with Au Nanoflowers as Electrochemical Aptamer Biosensor for the Detection of K562 Leukemia Cancer Cells.  CHEMISTRY-A EUROPEAN JOURNAL,  22  (50): (18001-18008).  [PMID:27781354] [10.1002/chem.201604354]
7. Hong Duan, Dongmei Li, Jiali Wang, Yumin Shen, Lingyan Zheng, Xiaolin Huang.  (2024)  A cocatalytic nanozyme based on metal-organic framework-embedded iron porphyrin for the sensitive detection of Salmonella typhimurium in milk.  TALANTA,      [PMID:39216421] [10.1016/j.talanta.2024.126765]
8. Huan Cheng, Kuang Luo, Xiaojun Wen, Lijun You, Ning Cai, Jumei Li.  (2024)  Constructing recyclable SERS platform based on peroxidase-like Cu2O/g-C3N4/Ag composites for sensitive sensing of fungicides.  JOURNAL OF MOLECULAR LIQUIDS,      [PMID:] [10.1016/j.molliq.2024.126212]
9. Lekang Liu, Mingbo Shao, Luoyuan Guo, Wenjun Wang, Xiuwen Zheng, Xiaolei Jiang.  (2025)  Cu-Doped MnO2 Nanoparticles Loaded with Docetaxel Synergistically Enhance Chemodynamic Therapy through Ferroptosis and Cuproptosis.  ACS Applied Nano Materials,      [PMID:] [10.1021/acsanm.4c06487]
10. Xinyu Zhang, Hui Liu, Chenyu Wang, Yuan Gao, Shiqi Zhao, Mengyao Mu, Ke Ren, Yufang Gong, Qing Fan, Xiao Sun.  (2025)  Dimeric PD-L1 specific affibody grafted Fe-based nanosheets for tumor-targeting dual-mode magnet resonance imaging and enhancement of Photothermal-Immunotherapy.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.159400]
11. Wen Zhang, Jiapeng Lei, Peng Jiang, Tianshu Hao, Yaqi Yuan, Hankun Hu, Wei Li.  (2024)  Double-Layered Microneedle Patch Integrated with Multifunctional Nanoparticles and Live Bacteria for Long-Term Treatment of Atopic Dermatitis.  Small,      [PMID:39544127] [10.1002/smll.202409121]
12. Haixia Kong, Pu Zhang, Zhong Wei Jiang, Xiaoting Xie, Wendong Zhang, Xue Gong, Yi Wang.  (2024)  Double-shell hollow FeCoOx nanozyme-catalyzed colorimetric quantification and discrimination of dihydroxybenzene isomers.  MICROCHEMICAL JOURNAL,      [PMID:] [10.1016/j.microc.2024.110669]
13. Ying Wang, Xinyue Cao, Xiaoyan Li, Liang Chen, Meiqi Chang, Yu Chen, Bingcang Huang.  (2024)  Perovskite-structured ultrasensitive CaMnO3 nanoenzyme enables highly efficient ultrasound-amplified and catalysis-involved synergistic tumor therapy.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2024.154236]
14. Xiaoyuan Liu, Yu Zou, Jiang Jiang.  (2024)  Sunlight-driven selective oxidation of glycerol on formate oxidase mimicking AuPt/TiO2.  APPLIED CATALYSIS B-ENVIRONMENTAL,      [PMID:] [10.1016/j.apcatb.2024.123927]
15. Ke Wenrui, Kuang Guochen, Gu Chuangqi, Wang Junhao, Jiang Xiao, Zhu Rongjiao, Wang Haiyuan, Zhang Zhen.  (2025)  Enzyme cascade nanozyme based colorimetric sensor for detection of uric acid as a biomarker of hyperuricemia.  MICROCHIMICA ACTA,  192  (2): (1-10).  [PMID:39812877] [10.1007/s00604-024-06946-5]
16. Li Xiaoyan, Wang Ying, Cao Xinyue, Song Xinran, Chen Liang, Chang Meiqi, Chen Yu, Huang Bingcang.  (2025)  Lanthanide-specific doping in vacancy-engineered piezocatalysts induces lysosomal destruction and tumor cell pyroptosis.  JOURNAL OF NANOBIOTECHNOLOGY,  23  (1): (1-18).  [PMID:40319318] [10.1186/s12951-025-03411-0]
17. Juan Tan, Shuaishuai Ding, Ling He, Xiu-wu Bian, Gan Tian.  (2025)  Triple-synergistic hollow AuAg@CeO2 plasmonic nanozymes enable rapid alkaline phosphatase detection via smartphone-integrated dual-mode biosensing.  JOURNAL OF COLLOID AND INTERFACE SCIENCE,      [PMID:40582200] [10.1016/j.jcis.2025.138272]
18. Chunrong Ren, Ruxi Deng, Jiameng Ding, Wuyang Wei, Hai Wang, Ying Liu, Li Ding, Meiqi Chang, Yu Chen, Yang Zhou.  (2026)  Sonocatalytic Eradication of Hepatocellular Carcinoma by Tailoring Structural Defects of Black Indium Oxide Sonocatalysts and Leveraging Apoptosis/Ferroptosis-Hybridized Pathways.  Small,      [PMID:41627202] [10.1002/smll.202512436]
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