Formamidinium Iodid (FAI) - ≥99.5%(4 Times Purification) , CAS No.879643-71-7

CAS: 879643-71-7 Cat. No.: F492019 Molecular Weight: 171.97 EC Number: 827-106-7
AVAILABLE TO ORDER
Synonyms
methanimidamide hydroiodide | SCHEMBL7272878 | A901154 | ethanimidamide, hydriodide (1:1) | Formamidine Hydroiodide (Low water content) | Formimidamide hydroiodide | MFCD28369273 | Formamidine Hydroiodide (99.99%, trace metals basis) [for Perovskite precu
Storage
Protected from light,Room temperature,Argon charged
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
F492019-1g
2

$114.90

$134.90
Save $20.00 (14.83%)
5g
F492019-5g
1

$399.90

$467.90
Save $68.00 (14.53%)
Enter a quantity for the sizes you want to add.
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Why this grade

≥99.5%(4 Times Purification) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Room temperature,Argon charged Ships Normal 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 9 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
methanimidamide hydroiodide | SCHEMBL7272878 | A901154 | ethanimidamide, hydriodide (1:1) | Formamidine Hydroiodide (Low water content) | Formimidamide hydroiodide | MFCD28369273 | Formamidine Hydroiodide (99.99%, trace metals basis) [for Perovskite precu
Specifications & Purity
≥99.5%(4 Times Purification)
Storage
Protected from light, Room temperature, Argon charged
Shipped In
Normal
Purity
≥99.5%(4 Times Purification)
Names and Identifiers
Pubchem Sid488199901
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488199901
Canonical SmilesC(=N)N.I
IUPAC Namemethanimidamide;hydroiodide
InChIKeyQHJPGANWSLEMTI-UHFFFAOYSA-N
INCHI1S/CH4N2.HI/c2-1-3;/h1H,(H3,2,3);1H
Isomeric SMILES C(=N)N.I
Molecular Weight 171.97
Reaxy-Rn 3667748
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3667748&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
SuperclassOrganic nitrogen compounds
ClassOrganonitrogen compounds
SubclassAmidines
Intermediate Tree Nodes Not available
Direct ParentCarboxamidines
Alternative Parents Formamidines  Carboximidamides  Imines  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Formamidine - Carboximidamide - Carboxylic acid amidine - Hydrocarbon derivative - Imine - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as carboxamidines. These are carboxylic acid derivatives containing the amidine 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.

15 results found

Lot NumberCertificate TypeDateItem
C2603535Certificate of AnalysisFeb 06, 2026 F492019
C2603536Certificate of AnalysisFeb 06, 2026 F492019
E2628032Certificate of AnalysisFeb 06, 2026 F492019
E2305236Certificate of AnalysisFeb 05, 2026 F492019
E2305507Certificate of AnalysisFeb 05, 2026 F492019
E2516745Certificate of AnalysisApr 30, 2025 F492019
E2516747Certificate of AnalysisApr 30, 2025 F492019
I2425369Certificate of AnalysisSep 11, 2024 F492019
I2425370Certificate of AnalysisSep 11, 2024 F492019
I2312479Certificate of AnalysisAug 28, 2023 F492019
I2312480Certificate of AnalysisAug 28, 2023 F492019
I2312481Certificate of AnalysisAug 28, 2023 F492019
I2312482Certificate of AnalysisAug 28, 2023 F492019
E2305176Certificate of AnalysisApr 23, 2023 F492019
E2305245Certificate of AnalysisApr 23, 2023 F492019

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Chemical and Physical Properties
SolubilityHigh soluble in EtOH, DMF, DMSO, water et al
Sensitivityair sensitive; Moisture sensitive;light sensitive
Melt Point(°C)242 °C(dec.)
Molecular Weight171.969 g/mol
XLogP3
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count1
Rotatable Bond Count0
Exact Mass171.95 Da
Monoisotopic Mass171.95 Da
Topological Polar Surface Area49.900 Ų
Heavy Atom Count4
Formal Charge0
Complexity10.300
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 Count2
Documents & Articles
Citations of This Product
References
1. Qiangqiang Wang, Shuo Ding, Siliang He, Ting Zhang, Lei Qian, Peng Xiao, Tao Chen, Chaoyu Xiang.  (2022)  Improving the Operational Stability of Near-Infrared Quasi-2D Perovskite Light-Emitting Diodes by Cation Engineering.  Advanced Optical Materials,  11  (1): (2201778).  [PMID:] [10.1002/adom.202201778]
2. Yongqi Yin, Xisheng Zhang, Ho Ngoc Nam, Quan Manh Phung, Kuina Yuan, Boyuan Li, Fanyue Kong, Azhar Alowasheeira, Baoning Wang, Lin Li, Yusuke Yamauchi.  (2025)  Enhanced Efficiency and Stability of Tin Halide Perovskite Solar Cells Through MOF Integration.  Small,      [PMID:39865966] [10.1002/smll.202411346]
3. Peng Gao, Jianxin Xu, Zhanfei Zhang, Lijie Sun, Wenhua Li, Yonggang Guo, Kai Wang, Dayong Qiao, Binghe Ma, Weizheng Yuan, Tao Ye.  (2025)  Targeted PbI2 Removal Unlocks 31.71% Efficiency Perovskite-Silicon 2T Tandem Solar Cells.  Solar RRL,      [PMID:] [10.1002/solr.202500393]
4. Mingming Li, Ying Yue, Di Zhang, Yuejuan Zhang, Yanchun Wang, Xiao Zhang, Xiaojun Wei, Huaping Liu, Weiya Zhou.  (2025)  Lightweight and ultra-flexible perovskite solar cells with 'sandwich' perovskite layer based on graphene-carbon nanotube electrodes.  Journal of Materials Chemistry A,      [PMID:] [10.1039/D5TA06002H]
5. Xinxin Xu, Qiang Lou, Jiahao Wu, Haocheng Huang, Hao Zhang, Bosen Zhang, Maojun Sun, Lin Zhao, Jingyi Xu, Hang Zhou.  (2025)  Buried Interface Passivation of Regular Perovskite Solar Cells Using Trimethoxysilane-Based Small Molecule Materials.  ACS Applied Materials & Interfaces,      [PMID:40101194] [10.1021/acsami.5c01522]
6. Wenjuan Jiang, Cheng Peng, Haokun Jiang, Mingzhe Zhu, Zhongmin Zhou.  (2025)  Ion-migration-induced dual interface dipoles for high-performance perovskite solar cells.  Matter,      [PMID:] [10.1016/j.matt.2025.102085]
7. Hai Huang, Zijian Geng, Ankang Wan, Chunyan Cao, Daqin Chen, An Xie.  (2025)  Zn2+-Doped CsPbI3/PVDF Composite Films with Enhanced Stability and Photoluminescence Quantum Yield for White-Light LED Applications.  ACS Applied Materials & Interfaces,      [PMID:41269054] [10.1021/acsami.5c16923]
8. Jinxian Yang, Wenjuan Jiang, Haokun Jiang, Mingzhe Zhu, Cheng Peng, Jiakang Zhang, Zhongmin Zhou.  (2025)  Electronic Distribution Tuning of Passivators Enables High-Efficiency and Stable Perovskite Solar Cells.  CHINESE JOURNAL OF CHEMISTRY,      [PMID:] [10.1002/cjoc.70431]
9. Zihui Li, Jifei Ge, Chengbo Wang, Bin Tong, Gaoling Yang, Haizheng Zhong, Yuping Dong, Jianbing Shi.  (2026)  Direct In Situ Cascade Photolithography of Perovskite Quantum Dot Patterns with High Light Conversion Efficiency and Enhanced Stability.  ACS Applied Materials & Interfaces,      [PMID:41498533] [10.1021/acsami.5c23696]
Solution Calculators
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