Trimellitic anhydride chloride - ≥98% , CAS No.1204-28-0

CAS: 1204-28-0 Cat. No.: T107283 Molecular Weight: 210.57 Beilstein Registry Number: 610823 EC Number: 214-874-8 PubChem CID: 70998
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
TMAC | 1,3-dioxo-1,3-dihydroisobenzofuran-5-carbonyl chloride | 4-Chloroformylphthalic anhydride
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
T107283-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$9.90
25g
T107283-25g
2

$13.90

$20.90
Save $7.00 (33.49%)
100g
T107283-100g
2

$44.90

$67.90
Save $23.00 (33.87%)
500g
T107283-500g
1

$166.90

$209.90
Save $43.00 (20.49%)
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Why this grade

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

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Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice 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 11 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
TMAC | 1, 3-dioxo-1, 3-dihydroisobenzofuran-5-carbonyl chloride | 4-Chloroformylphthalic anhydride
Specifications & Purity
≥98%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Canonical SmilesC1=CC2=C(C=C1C(=O)Cl)C(=O)OC2=O
IUPAC Name1,3-dioxo-2-benzofuran-5-carbonyl chloride
InChIKeyNJMOHBDCGXJLNJ-UHFFFAOYSA-N
INCHI1S/C9H3ClO4/c10-7(11)4-1-2-5-6(3-4)9(13)14-8(5)12/h1-3H
Isomeric SMILES C1=CC2=C(C=C1C(=O)Cl)C(=O)OC2=O
WGK Germany 3
PubChem CID 70998
UN Number 3261
Molecular Weight 210.57
Beilstein 610823
Reaxy-Rn 610823

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
ClassBenzofurans
SubclassBenzofuranones
Intermediate Tree Nodes Not available
Direct ParentPhthalic anhydrides
Alternative Parents Isobenzofuranones  Dicarboxylic acids and derivatives  Benzenoids  Carboxylic acid anhydrides  Oxacyclic compounds  Acyl chlorides  Organooxygen compounds  Organochlorides  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Phthalic_anhydride - Phthalic anhydride - Isobenzofuranone - Isocoumaran - Dicarboxylic acid or derivatives - Benzenoid - Carboxylic acid anhydride - Acyl chloride - Acyl halide - Carboxylic acid derivative - Oxacycle - Organohalogen compound - Organic oxide - Organochloride - Organooxygen compound - Hydrocarbon derivative - Organic oxygen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as phthalic anhydrides. These are compounds containing a phthalic anhydride moiety (or a derivative thereof), which consists of a benzene fused to a furan-1,3-dione.
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.

27 results found

Lot NumberCertificate TypeDateItem
A2604667Certificate of AnalysisDec 09, 2025 T107283
A2604668Certificate of AnalysisDec 09, 2025 T107283
A2604669Certificate of AnalysisDec 09, 2025 T107283
A2621650Certificate of AnalysisDec 09, 2025 T107283
A2621651Certificate of AnalysisDec 09, 2025 T107283
A2621652Certificate of AnalysisDec 09, 2025 T107283
A2410366Certificate of AnalysisOct 13, 2025 T107283
A2410363Certificate of AnalysisOct 13, 2025 T107283
K2308178Certificate of AnalysisAug 12, 2025 T107283
K2514045Certificate of AnalysisMay 14, 2025 T107283
F2503604Certificate of AnalysisMay 14, 2025 T107283
F2503603Certificate of AnalysisMay 14, 2025 T107283
F2503602Certificate of AnalysisMay 14, 2025 T107283
F2503601Certificate of AnalysisMay 14, 2025 T107283
D2418298Certificate of AnalysisMar 02, 2024 T107283
D2418297Certificate of AnalysisMar 02, 2024 T107283
A2517119Certificate of AnalysisMar 02, 2024 T107283
C2414787Certificate of AnalysisMar 01, 2024 T107283
A2410365Certificate of AnalysisDec 08, 2023 T107283
A2410364Certificate of AnalysisDec 08, 2023 T107283
K2130311Certificate of AnalysisSep 15, 2023 T107283
K2130312Certificate of AnalysisSep 15, 2023 T107283
F2325047Certificate of AnalysisJun 28, 2021 T107283
E2319162Certificate of AnalysisJun 28, 2021 T107283
G2303596Certificate of AnalysisJun 28, 2021 T107283
H2310050Certificate of AnalysisJun 28, 2021 T107283
I2228224Certificate of AnalysisJun 28, 2021 T107283

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Chemical and Physical Properties
SensitivityMoisture sensitive
Boil Point(°C)195 °C/15 mmHg
Melt Point(°C)66-68°C
Molecular Weight210.570 g/mol
XLogP31.800
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count1
Exact Mass209.972 Da
Monoisotopic Mass209.972 Da
Topological Polar Surface Area60.400 Ų
Heavy Atom Count14
Formal Charge0
Complexity312.000
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
Citations of This Product
References
1. Weihua Ye, Yanchao Yuan, Shumei Liu, Jianqing Zhao.  (2023)  A strategy towards simultaneously improving strength and processability of polyamide 6 using bespoke dynamic covalent chain extender.  POLYMERS FOR ADVANCED TECHNOLOGIES,      [PMID:] [10.1002/pat.6266]
2. Fang Zhou, Zhenbo Zhao, Deqi Jing, Xinghua Zhang, Peng Wang, Weiguo Su, Shouchun Zhang.  (2023)  Significantly improving mechanical properties of CF/PAI composites: the influence of interfacial modification coupled with post heat treatment.  Journal of Materials Research and Technology-JMR&T,      [PMID:] [10.1016/j.jmrt.2023.04.158]
3. Haoji Lao, Nafeesa Mushtaq, Guofei Chen, Hongyu Jiang, Yang Jiao, Anjiang Zhang, Xingzhong Fang.  (2020)  Transparent polyamide-imide films with high Tg and low coefficient of thermal expansion: Design and synthesis.  POLYMER,      [PMID:] [10.1016/j.polymer.2020.122889]
4. Nafeesa Mushtaq, Qiaodi Wang, Guofei Chen, Beenish Bashir, Haoji Lao, Yuanming Zhang, Lala Rukh Sidra, Xingzhong Fang.  (2020)  Synthesis of polyamide-imides with different monomer sequence and effect on transparency and thermal properties.  POLYMER,      [PMID:] [10.1016/j.polymer.2020.122218]
5. Baojiao Gao, Coco Bi.  (2018)  Some catalytic characteristics of compositional catalysts of immobilized N-hydroxyphthalimide and metal salts in aerobic oxidation of 1-phenylethanol.  CATALYSIS COMMUNICATIONS,      [PMID:] [10.1016/j.catcom.2018.06.023]
6. Alvianto Wirasaputra, Xiaohao Yao, Yaming Zhu, Shumei Liu, Yanchao Yuan, Jianqing Zhao, Yi Fu.  (2016)  Flame-Retarded Epoxy Resins with a Curing Agent of DOPO-Triazine Based Anhydride.  MACROMOLECULAR MATERIALS AND ENGINEERING,  301  (8): (982-991).  [PMID:] [10.1002/mame.201600094]
7. Zi Long, Meiying Liu, Ke Wang, Fengjie Deng, Dazhuang Xu, Liangji Liu, Yiqun Wan, Xiaoyong Zhang, Yen Wei.  (2016)  Facile synthesis of AIE-active amphiphilic polymers: Self-assembly and biological imaging applications.  Materials Science & Engineering C-Materials for Biological Applications,      [PMID:27207057] [10.1016/j.msec.2016.04.081]
8. Qing Wan, Ke Wang, Huilin Du, Hongye Huang, Meiying Liu, Fengjie Deng, Yanfeng Dai, Xiaoyong Zhang, Yen Wei.  (2015)  A rather facile strategy for the fabrication of PEGylated AIE nanoprobes.  Polymer Chemistry,  (29): (5288-5294).  [PMID:] [10.1039/C5PY00735F]
9. Ao Tang, Zhuo Chen, Huijie Nie, Jie Dong, Xin Zhao, Xiuting Li, Qingsong Xu, Qinghua Zhang.  (2025)  Polyimide gas separation membrane with an ultrahigh molecule sieving ability by interchain hydrogen-bonding and thermo-oxidative cross-linking networks.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2025.132333]
10. Yu Zhang, Xiaolong Wu, Lian Xia, Jinjun Liu, Lingmin Yao, Hongzhen Xie, Junfei Luo, Zhongbin Pan.  (2025)  Molecular engineering of polyamide-imide copolymers for high-temperature energy storage.  Journal of Materials Chemistry A,      [PMID:] [10.1039/D5TA07559A]
11. Zeying Chen, Zeya Li, Shaojun Ma, Xiuli Wang, Xinying Cheng, Xiaoyi Dong, Yunfeng Li, Laizhou Song.  (2025)  Fabrication of Permeable Polyamide Nanofiltration Membrane With Incorporation of Sulfonated Carbon Quantum Dots and the Employment of Nitrate Rejection.  JOURNAL OF APPLIED POLYMER SCIENCE,      [PMID:] [10.1002/app.70117]
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