Iron(III) p-toluenesulfonate - ≥98% , CAS No.77214-82-5

CAS: 77214-82-5 Cat. No.: I189206 Molecular Weight: 569.43 EC Number: 420-960-8 PubChem CID: 173580
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
p-Tolyenesulfonic acid ferric salt | Ferric p-toluenesulfonate | Benzenesulfonic acid, 4-methyl-, iron(3+) salt | iron(3+);4-methylbenzenesulfonate | Iron(III) 4-methylbenzenesulfonate | MFCD01766290 | C21H21FeO9S3
Storage
Room temperature
Shipped In
Normal
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Size
Status
Price
Qty
5g
I189206-5g
3
$9.90
25g
I189206-25g
1
$10.90
100g
I189206-100g
2

$17.90

$26.90
Save $9.00 (33.46%)
250g
I189206-250g
4

$39.90

$59.90
Save $20.00 (33.39%)
500g
I189206-500g
1

$71.90

$107.90
Save $36.00 (33.36%)
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Why this grade

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

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Storage & shipping

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 9 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
p-Tolyenesulfonic acid ferric salt | Ferric p-toluenesulfonate | Benzenesulfonic acid, 4-methyl-, iron(3+) salt | iron(3+);4-methylbenzenesulfonate | Iron(III) 4-methylbenzenesulfonate | MFCD01766290 | C21H21FeO9S3
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488188480
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488188480
Canonical SmilesCC1=CC=C(C=C1)S(=O)(=O)[O-].CC1=CC=C(C=C1)S(=O)(=O)[O-].CC1=CC=C(C=C1)S(=O)(=O)[O-].[Fe+3]
IUPAC Nameiron(3+);4-methylbenzenesulfonate
InChIKeyFYMCOOOLDFPFPN-UHFFFAOYSA-K
INCHI1S/3C7H8O3S.Fe/c3*1-6-2-4-7(5-3-6)11(8,9)10;/h3*2-5H,1H3,(H,8,9,10);/q;;;+3/p-3
Isomeric SMILES CC1=CC=C(C=C1)S(=O)(=O)[O-].CC1=CC=C(C=C1)S(=O)(=O)[O-].CC1=CC=C(C=C1)S(=O)(=O)[O-].[Fe+3]
PubChem CID 173580
Molecular Weight 569.43

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

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✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzenesulfonic acids and derivatives
Intermediate Tree Nodes Not available
Direct Parentp-Methylbenzenesulfonates
Alternative Parents Tosyl compounds  Benzenesulfonyl compounds  1-sulfo,2-unsubstituted aromatic compounds  Sulfonyls  Organosulfonic acids  Organic transition metal salts  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkNot available
Substituents P-methylbenzenesulfonate - Tosyl compound - Arylsulfonic acid or derivatives - Benzenesulfonyl group - 1-sulfo,2-unsubstituted aromatic compound - Toluene - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Organic transition metal salt - Organosulfur compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organic salt - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as p-methylbenzenesulfonates. These are benzenesulfonic acids (or derivative thereof) carrying a methyl group at the para- position.
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.

22 results found

Lot NumberCertificate TypeDateItem
K1805070Certificate of AnalysisJun 15, 2026 I189206
G2222638Certificate of AnalysisMay 09, 2026 I189206
A2628604Certificate of AnalysisJan 08, 2026 I189206
B2602464Certificate of AnalysisJan 08, 2026 I189206
A2628601Certificate of AnalysisJan 08, 2026 I189206
B2602463Certificate of AnalysisJan 08, 2026 I189206
F2121191Certificate of AnalysisApr 03, 2025 I189206
E2429408Certificate of AnalysisMay 09, 2024 I189206
E2429417Certificate of AnalysisMay 09, 2024 I189206
E2429416Certificate of AnalysisMay 09, 2024 I189206
G2403630Certificate of AnalysisApr 19, 2024 I189206
G2403622Certificate of AnalysisApr 19, 2024 I189206
G2403631Certificate of AnalysisApr 19, 2024 I189206
G2403632Certificate of AnalysisApr 19, 2024 I189206
H1930124Certificate of AnalysisJun 09, 2023 I189206
J2228329Certificate of AnalysisOct 09, 2022 I189206
J2228330Certificate of AnalysisOct 09, 2022 I189206
J2228331Certificate of AnalysisOct 09, 2022 I189206
J2228332Certificate of AnalysisOct 09, 2022 I189206
G2222431Certificate of AnalysisJun 06, 2022 I189206
G2222483Certificate of AnalysisJun 06, 2022 I189206
G2222639Certificate of AnalysisJun 06, 2022 I189206

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Chemical and Physical Properties
Molecular Weight569.400 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count9
Rotatable Bond Count0
Exact Mass568.97 Da
Monoisotopic Mass568.97 Da
Topological Polar Surface Area197.000 Ų
Heavy Atom Count34
Formal Charge0
Complexity193.000
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. Bo Zhu.  (2023)  PEDOT-hydroxypropyl-β-cyclodextrin Inclusion Complex as Additive for Epoxy Coating with Enhanced Anticorrosion Performance.  International Journal of Electrochemical Science,      [PMID:38623969] [10.20964/2021.04.14]
2. Dongping Tang, Somia Yassin Hussain Abdalkarim, Yanjuan Dong, Hou-Yong Yu.  (2023)  One-pot strategy to fabricate conductive cellulose nanocrystal-polyethylenedioxythiophene nanocomposite: Synthesis mechanism, modulated morphologies and sensor assembly.  CARBOHYDRATE POLYMERS,      [PMID:37028877] [10.1016/j.carbpol.2023.120758]
3. Xiao Lijuan, Zhou Jingkai, Yu Zhixuan, Dong Huihao, Chen Yan.  (2023)  A novel design of Co3O4@SiO2/PPy for supercapacitor electrode with improved performance.  JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS,  34  (6): (1-15).  [PMID:] [10.1007/s10854-022-09656-x]
4. Xinze Yang, Weihua Pei, Chunrong Wei, Xiaowei Yang, Huiling Zhang, Yang Wang, Miao Yuan, Qiang Gui, Yuanyuan Liu, Yijun Wang, Hongda Chen.  (2022)  Chemical polymerization of conducting polymer poly(3,4-ethylenedioxythiophene) onto neural microelectrodes.  SENSORS AND ACTUATORS A-PHYSICAL,      [PMID:] [10.1016/j.sna.2022.114022]
5. Boxiao Li, Dongkai Ni, Juncheng Fan, Jian Zhou.  (2022)  Vapor phase polymerized high-performance Poly(3,4-ethylenedioxythiophene) using polyethyleneimine (PEI) as the base inhibitor and grafting agent for electrochromic medical face shields.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2022.136818]
6. Jiarui Yu, Nan Gao, Xiaowen Xie, Xing Xin, Zhanqi Li, Shuai Chen, Jingkun Xu.  (2021)  Thermally driven self-healing PEDOT conductive films relying on reversible and multiple Diels–Alder interaction.  JOURNAL OF POLYMER SCIENCE,  60  (5): (794-802).  [PMID:] [10.1002/pol.20210750]
7. He Xia, Liu Qingchun, Pan Lianjun, Zhou Ying, Xu Le, Zhou Shiyu, Ma Yixin.  (2024)  Conductive Nanocellulose Enabling Flexible, Sensitive and Robust Fiber Sensor for Multiple Signals Monitoring.  FIBERS AND POLYMERS,      [PMID:] [10.1007/s12221-024-00660-y]
8. Shigui Peng, Kai Zhang, Min He, Qiao Fan, Lanlan Wei, Shuhao Qin, Tingting Luo, Lijuan Long, Jun Qin, Yufei Liu, Jie Yu.  (2025)  Strategy to Improve the Seebeck Coefficient of PEDOT: Introduction of Chloromethyl Groups on Its Surface.  ACS Applied Materials & Interfaces,      [PMID:40019158] [10.1021/acsami.4c22537]
9. Shigui Peng, Kai Zhang, Yufei Liu, Qiao Fan, Lanlan Wei, Yucheng Yin, Shuhao Qin, Tingting Luo, Chong Chen, Jun Qin, Min He, Jie Yu.  (2026)  Revealing the effect of oxidative doping on the capacitive properties of PEDOT at the molecular level: From electronic structure to chain structure.  JOURNAL OF COLLOID AND INTERFACE SCIENCE,      [PMID:41616658] [10.1016/j.jcis.2026.139908]
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