[2-(9H-Carbazol-9-yl)ethyl]phosphonic Acid(2PACz) - ≥98% , CAS No.20999-38-6

CAS: 20999-38-6 Cat. No.: P405551 Molecular Weight: 275.24 EC Number: 860-158-9 PubChem CID: 154704302
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
[2-(9H-Carbazol-9-yl)ethyl]phosphonic Acid
Storage
Protected from light,Argon charged,Room temperature
Shipped In
Normal
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5mg
P405551-5mg
3

$9.90

$14.90
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25mg
P405551-25mg
2

$33.90

$50.90
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100mg
P405551-100mg
2

$105.90

$158.90
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500mg
P405551-500mg
5

$397.90

$596.90
Save $199.00 (33.34%)
1g
P405551-1g
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$455.90

$683.90
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Why this grade

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

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Storage & shipping

Protected from light,Argon charged,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.

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Literature proof

Cited in 12 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
[2-(9H-Carbazol-9-yl)ethyl]phosphonic Acid
Specifications & Purity
≥98%
Storage
Protected from light, Argon charged, Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488203080
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488203080
Canonical SmilesC1=CC=C2C(=C1)C3=CC=CC=C3N2CCP(=O)(O)O
IUPAC Name2-carbazol-9-ylethylphosphonic acid
InChIKeyKIMPAVBWSFLENS-UHFFFAOYSA-N
INCHI1S/C14H14NO3P/c16-19(17,18)10-9-15-13-7-3-1-5-11(13)12-6-2-4-8-14(12)15/h1-8H,9-10H2,(H2,16,17,18)
Isomeric SMILES C1=CC=C2C(=C1)C3=CC=CC=C3N2CCP(=O)(O)O
PubChem CID 154704302
Molecular Weight 275.24
Reaxy-Rn 1584905

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
SuperclassOrganoheterocyclic compounds
ClassIndoles and derivatives
SubclassCarbazoles
Intermediate Tree Nodes Not available
Direct ParentCarbazoles
Alternative Parents N-alkylindoles  Substituted pyrroles  N-alkylpyrrolidines  Benzenoids  Organic phosphonic acids and derivatives  Heteroaromatic compounds  Trialkylamines  Enamines  Azacyclic compounds  Organopnictogen compounds  Organophosphorus compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Carbazole - N-alkylindole - Benzenoid - N-alkylpyrrolidine - Substituted pyrrole - Heteroaromatic compound - Pyrrolidine - Organophosphonic acid derivative - Tertiary aliphatic amine - Tertiary amine - Azacycle - Enamine - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organophosphorus compound - Organonitrogen compound - Amine - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as carbazoles. These are compounds containing a three ring system containing a pyrrole ring fused on either side to a benzene ring.
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.

34 results found

Lot NumberCertificate TypeDateItem
H23081085Certificate of AnalysisMay 20, 2026 P405551
B2323234Certificate of AnalysisDec 22, 2025 P405551
B2323228Certificate of AnalysisDec 22, 2025 P405551
B2323225Certificate of AnalysisDec 22, 2025 P405551
I2510539Certificate of AnalysisSep 18, 2025 P405551
I2510538Certificate of AnalysisSep 18, 2025 P405551
C2626201Certificate of AnalysisSep 18, 2025 P405551
C2626204Certificate of AnalysisSep 18, 2025 P405551
F2511599Certificate of AnalysisJun 03, 2025 P405551
F2511601Certificate of AnalysisJun 03, 2025 P405551
F2511600Certificate of AnalysisJun 03, 2025 P405551
F2511583Certificate of AnalysisJun 03, 2025 P405551
F2511581Certificate of AnalysisJun 03, 2025 P405551
F2511580Certificate of AnalysisJun 03, 2025 P405551
L2424297Certificate of AnalysisDec 14, 2024 P405551
L2424292Certificate of AnalysisDec 14, 2024 P405551
L2424289Certificate of AnalysisDec 14, 2024 P405551
L2424288Certificate of AnalysisDec 14, 2024 P405551
F2513136Certificate of AnalysisDec 14, 2024 P405551
F2406278Certificate of AnalysisMay 22, 2024 P405551
F2406275Certificate of AnalysisMay 22, 2024 P405551
F2406276Certificate of AnalysisMay 22, 2024 P405551
F2406279Certificate of AnalysisMay 22, 2024 P405551
C2425443Certificate of AnalysisMar 06, 2024 P405551
C2425442Certificate of AnalysisMar 06, 2024 P405551
C2425441Certificate of AnalysisMar 06, 2024 P405551
C2425440Certificate of AnalysisMar 06, 2024 P405551
H23081018Certificate of AnalysisJul 13, 2023 P405551
H23081020Certificate of AnalysisJul 13, 2023 P405551
H23081027Certificate of AnalysisJul 13, 2023 P405551
H23081074Certificate of AnalysisJul 13, 2023 P405551
L2311275Certificate of AnalysisJul 13, 2023 P405551
G2312079Certificate of AnalysisNov 05, 2022 P405551
B2323221Certificate of AnalysisNov 05, 2022 P405551

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Chemical and Physical Properties
SensitivityLight Sensitive,Air Sensitive
Melt Point(°C)231 °C
Molecular Weight275.240 g/mol
XLogP31.400
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count3
Rotatable Bond Count3
Exact Mass275.071 Da
Monoisotopic Mass275.071 Da
Topological Polar Surface Area62.500 Ų
Heavy Atom Count19
Formal Charge0
Complexity348.000
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
Documents & Articles
Citations of This Product
References
1. Mengxuan Yu, Binbin Wang, Runze Huang, Hang Xia, Jing Liu, Chengjie Deng, Jianbing Zhang, Liang Gao, Jiang Tang, Xinzheng Lan.  (2024)  Interfacially-Engineered HgTe Colloidal Quantum Dot Photodiodes Using Self-Assembled Monolayer.  ACS Photonics,      [PMID:] [10.1021/acsphotonics.4c00911]
2. Aqiang Liu, Zheng Zhang, Jing Li, Hui Yu, Nana Wang, Jianpu Wang, Ni Zhao.  (2024)  Optimizing Perovskite Surfaces to Enhance Post-Treatment for Efficient Blue Mixed-Halide Perovskite Light-emitting Diodes.  ADVANCED MATERIALS,      [PMID:39632461] [10.1002/adma.202414788]
3. Kehui Xue, Lianqing Yu, Chong Liu, Huihua Luo, Zhe Li, Yaping Zhang, Haifeng Zhu.  (2024)  Self-assembled hole transport engineering and bio-inspired coordination/incoordination ligands synergizing strategy for productive photoelectrochemical water splitting.  JOURNAL OF COLLOID AND INTERFACE SCIENCE,      [PMID:39541757] [10.1016/j.jcis.2024.11.051]
4. Yuyu Liu, Minming Yan, Kai Zhang, Ye Chen, Yaowu He, Hong Meng, Yong Huang, Yong Zhang.  (2025)  Self-Assembled Carbazole-Phosphonate Hole-Injection Layer with a Dual-Modification Mechanism Enables High Efficient and Stable Blue Quantum-Dot Light-Emitting Diode.  ACS Photonics,      [PMID:] [10.1021/acsphotonics.5c00937]
5. Dawei Yang, Yiduo Wang, Jing Xie, Daocheng Pan, Bingsuo Zou, Heng Zhang.  (2025)  Regular Tandem Quantum Dot Light-Emitting Diodes with over 51% External Quantum Efficiency for Next-Generation Displays.  ADVANCED MATERIALS,      [PMID:40817770] [10.1002/adma.202508173]
6. Qing Yan, Rui Gong, Chenzhuo Zhang, Jing Li, Junjiang Wu, Qian Ye, Qianyong Cao, Long Ye, Zengqi Huang, Xiaotian Hu, Xiangchuan Meng, Yiwang Chen.  (2025)  Utilization of Diamagnetic Force Introduced by External Magnetic Fields for Printing Scalable Organic Photovoltaics.  ADVANCED MATERIALS,      [PMID:41388694] [10.1002/adma.202520583]
7. Yanfu Wan, Chunyan Yang, Xingquan Zhu, Xinyu Zhang, Junfeng Tong, Jianfeng Li, Zhilong Qian, Xiang Ma, Heng Zhang.  (2025)  Self-Assembled Monolayer Enables Hole Injection Layer-Free Quantum-Dot Light-Emitting Diodes with Over 31% External Quantum Efficiency.  ADVANCED FUNCTIONAL MATERIALS,      [PMID:] [10.1002/adfm.202520241]
8. Wenheng Li, Ziqi Zhao, Jianxin Guo, Bingbing Chen, Xiao Wang, Yuhua Bai, Jingwei Chen, Dehua Yang, Qing Gao, Xueliang Yang, Jianming Wang, Dengyuan Song, Shufang Wang, Xuning Zhang, Jianhui Chen.  (2024)  Ultrathin Self-Assembled Monolayer for Effective Silicon Solar Cell Passivation.  ACS Applied Materials & Interfaces,      [PMID:39437330] [10.1021/acsami.4c10257]
9. Qianfeng Gao, Jianghao Liu, Zhiyuan Xu, Yu Yan, Wei Li, Taiqiang Wang, Hongyu Dun, Jiakai Zhou, Ke Tao, Baojie Yan, Bo Yu, JinChao Shi, Qian Huang, Xiaodan Zhang, Ying Zhao, Guofu Hou.  (2025)  High-Efficiency Silicon Solar Cells with Chemical and Field-Effect Passivation Using Novel 2PACz/MoOx Hole-Selective Contacts.  Small,      [PMID:40237108] [10.1002/smll.202502453]
10. Yu Liu, Li Chen, Shaohong Li, Zejiang Gao, Yuping Pang, Bingsuo Zou.  (2025)  A high-performance self-powered CsPbBr3 perovskite photodetector enabled by self-assembled monolayer interface engineering.  Journal of Materials Chemistry C,      [PMID:] [10.1039/D5TC01281C]
11. Wei Fu, Zelong Li, Yifan Ding, Maojie Zhang, Yong Cui, Hong Zhang, Xiaoliang Mo, Rongjun Zhang, Guangzheng Zuo.  (2025)  Enhancing Dark Current Suppression in Near-Infrared Organic Photodetectors with Morphology Control and Self-Assembled Monolayers.  Advanced Optical Materials,  13  (28): (e00362).  [PMID:] [10.1002/adom.202500362]
12. Zhang Xiaofei, Liu Zhengzheng, Wang Lin, Liu Junchuan, Li Qian, Wang Jihao, Liang Chaohui, Kong Lingmei, Duan Rui, Wang Sheng, Leng Yuxin, Sun Handong, Du Juan, Yang Xuyong.  (2026)  Manipulating charge transfer dynamics and stabilizing lead bromide octahedra for efficient blue perovskite light-emitting diodes.  Nature Communications,      [PMID:41530165] [10.1038/s41467-026-68315-5]
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