1,2,3-Trimethylbenzene - analytical standard , CAS No.526-73-8

CAS: 526-73-8 Cat. No.: T109306 Molecular Weight: 120.19 Beilstein Registry Number: 1903410 EC Number: 208-394-8
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GRADE & PURITY Analytical standard ? Analytical standard — certified-purity material for quantitative calibration. Use to prepare calibration standards and validate analytical methods.
Synonyms
1,2,3-TRIMETHYLBENZENE|526-73-8|Hemimellitene|Trimethylbenzene|Hemellitol|Hemimellitol|Benzene, 1,2,3-trimethyl-|25551-13-7|ZK4R7UPH6R|1,2,3-trimethyl-benzene|DTXSID8047769|CHEBI:34037|NSC-5167|1,3-Trimethylbenzene|Hemimellitene, 90.5%|Benzene,2,3-trimeth
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100mg
T109306-100mg
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Why this grade

analytical standard Analytical standard for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

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

Specifications

Synonyms
1, 2, 3-TRIMETHYLBENZENE | 526-73-8 | Hemimellitene | Trimethylbenzene | Hemellitol | Hemimellitol | Benzene, 1, 2, 3-trimethyl- | 25551-13-7 | ZK4R7UPH6R | 1, 2, 3-trimethyl-benzene | DTXSID8047769 | CHEBI:34037 | NSC-5167 | 1, 3-Trimethylbenzene | Hemimellitene, 90.5% | Benzene, 2, 3-trimeth
Specifications & Purity
analytical standard
Storage
Room temperature
Shipped In
FedEx DG Service
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
Analytical standard
Names and Identifiers
Canonical SmilesCC1=C(C(=CC=C1)C)C
IUPAC Name1,2,3-trimethylbenzene
InChIKeyFYGHSUNMUKGBRK-UHFFFAOYSA-N
INCHI1S/C9H12/c1-7-5-4-6-8(2)9(7)3/h4-6H,1-3H3
Isomeric SMILES CC1=C(C(=CC=C1)C)C
WGK Germany 3
RTECS DC3300000
UN Number 1993
Molecular Weight 120.19
Beilstein 1903410

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
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzene and substituted derivatives
Alternative Parents Aromatic hydrocarbons  Unsaturated hydrocarbons  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Monocyclic benzene moiety - Aromatic hydrocarbon - Unsaturated hydrocarbon - Hydrocarbon - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzene and substituted derivatives. These are aromatic compounds containing one monocyclic ring system consisting of benzene.
External Descriptors trimethylbenzene
3D Structure
Interactive Chemical Structure Model





Mechanisms of Action
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.

6 results found

Lot NumberCertificate TypeDateItem
F2429023Certificate of AnalysisApr 02, 2026 T109306
H2521127Certificate of AnalysisAug 28, 2025 T109306
C2330839Certificate of AnalysisJan 10, 2025 T109306
F2429022Certificate of AnalysisJun 27, 2024 T109306
H2127596Certificate of AnalysisJun 05, 2023 T109306
H2127595Certificate of AnalysisJun 05, 2023 T109306
Chemical and Physical Properties
Refractive Index1.51
Flash Point(°F)111.2℉
Flash Point(°C)44℃
Boil Point(°C)176°C
Melt Point(°C)-25℃ (lit.)
Molecular Weight120.190 g/mol
XLogP33.600
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count0
Rotatable Bond Count0
Exact Mass120.094 Da
Monoisotopic Mass120.094 Da
Topological Polar Surface Area0.000 Ų
Heavy Atom Count9
Formal Charge0
Complexity76.000
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. Yaping Liu, Chao Pan, Xiaomin Qiu, Xianjie Li, Hengjun Gai, Meng Xiao, Tingting Huang, Quanhong Zhu, Hongbing Song.  (2023)  Oxidative esterification of 5-hydroxymethylfurfural to dimethyl 2,5-furandicarboxylate over Au-supported poly(ionic liquid)s.  FUEL,      [PMID:] [10.1016/j.fuel.2023.130354]
2. Hongyu Wang, Jing Jiang, Tongtao Wan, Yuhong Luo, Guihua Liu, Jingde Li.  (2023)  A COF-coated ordered porous framework as multifunctional polysulfide barrier towards high-performance lithium-sulfur batteries.  JOURNAL OF COLLOID AND INTERFACE SCIENCE,      [PMID:36764247] [10.1016/j.jcis.2023.01.135]
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4. Zhou Jinglu, Wen Zhen, Yan Shilun, Guo Hui, Zhou Chuyue.  (2022)  Preparation and release properties of pH-sensitive mesoporous silica composite nanocarriers.  JOURNAL OF NANOPARTICLE RESEARCH,  24  (3): (1-18).  [PMID:] [10.1007/s11051-022-05433-3]
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6. Kun Xu, Zhang Yuan, Yao Ding, Ye He, Ke Li, Chuanchuan Lin, Bailong Tao, Yulu Yang, Xuan Li, Peng Liu, Kaiyong Cai.  (2021)  Near-infrared light triggered multi-mode synergetic therapy for improving antibacterial and osteogenic activity of titanium implants.  Applied Materials Today,      [PMID:] [10.1016/j.apmt.2021.101155]
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10. Hao Chen, Hao Cheng, Feng Zhou, Kequan Chen, Kai Qiao, Xiuyang Lu, Pingkai Ouyang, Jie Fu.  (2018)  Catalytic fast pyrolysis of rice straw to aromatic compounds over hierarchical HZSM-5 produced by alkali treatment and metal-modification.  JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS,      [PMID:] [10.1016/j.jaap.2018.02.009]
11. Hong Runrun, He Yufei, Miao Chenglin, Feng Junting, Li Dianqing.  (2017)  Fabrication of Supported Pd–Ir Mesocrystal Catalyst for Hydrogenation of 2-Ethylanthraquinone.  CATALYSIS LETTERS,  147  (7): (1802-1810).  [PMID:] [10.1007/s10562-017-2076-7]
12. Zhigang Lei, Yaru Guo, Yanyan Guo, Xinxin Li, Chengna Dai.  (2016)  H2 solubility and mass transfer in anthraquinone working solution: Experimental and modeling study.  CHINESE JOURNAL OF CHEMICAL ENGINEERING,      [PMID:] [10.1016/j.cjche.2016.10.001]
13. Xiaohong Yang, Changxia Li, Meiling Qi, Liangti Qu.  (2016)  Graphene-ZIF8 composite material as stationary phase for high-resolution gas chromatographic separations of aliphatic and aromatic isomers.  JOURNAL OF CHROMATOGRAPHY A,      [PMID:27423773] [10.1016/j.chroma.2016.07.029]
14. Xiaoyao Fei, Shaoyun Chen, Dai Liu, Chunjie Huang, Yongchun Zhang.  (2016)  Comparison of amino and epoxy functionalized SBA-15 used for carbonic anhydrase immobilization.  JOURNAL OF BIOSCIENCE AND BIOENGINEERING,      [PMID:27215831] [10.1016/j.jbiosc.2016.02.004]
15. Zhifeng Xu, Peihong Deng, Siping Tang, Daizhi Kuang, Fuxing Zhang, Junhua Li.  (2014)  Preparation of 2D molecularly imprinted materials based on mesoporous silicas via click reaction.  Journal of Materials Chemistry B,  (47): (8418-8426).  [PMID:32262013] [10.1039/C4TB01217H]
16. Zhang Haidong, Zou Yu, Shen Yu, Gao Xue, Zheng Xuxu, Zhang Xianming, Chen Youpeng, Guo Jinsong.  (2014)  Dominated Effect Analysis of the Channel Size of Silica Support Materials on the Catalytic Performance of Immobilized Lipase Catalysts in the Transformation of Unrefined Waste Cooking Oil to Biodiesel.  BioEnergy Research,  (4): (1541-1549).  [PMID:] [10.1007/s12155-014-9492-y]
17. Donghao Gu, Yun Liu, Li Liu, Jinshuai Lan, Zhe Li, Ruifeng Zeng, Yue Ding, Weisan Pan.  (2024)  Mesoporous polydopamine (MPDA)-based drug delivery system for oral chemo-photothermal combinational therapy of orthotopic colon cancer.  INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,      [PMID:39419142] [10.1016/j.ijbiomac.2024.136618]
18. Lei Huang, Rong Guo, Qingqing Qiu, Huan Li, Putrakumar Balla, Jinming Zeng, Tongxiang Liang, Xiaopeng Qi, Ping Liu.  (2024)  Triarylamine-based polyimide COFs for achieving high performance ambipolar multi-color electrochromic energy-storage films.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2024.155018]
19. Xue Xiong, Meiling Qi.  (2020)  A novel column fabrication approach for capillary gas chromatography via a cross-linked organogel network with high stability and inertness.  NEW JOURNAL OF CHEMISTRY,  44  (25): (10621-10627).  [PMID:] [10.1039/D0NJ02185G]
20. Xiaoyao Fei, Shaoyun Chen, Chunjie Huang, Dai Liu, Yongchun Zhang.  (2015)  Immobilization of bovine carbonic anhydrase on glycidoxypropyl-functionalized nanostructured mesoporous silicas for carbonation reaction.  JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC,      [PMID:] [10.1016/j.molcatb.2015.03.016]
21. Fangke Zhang, Jiancheng Zheng, Fei Wang, Yaping Zhuang, Yunkai Tang, Juan Wang, Yawei Du, Wei-Li Zhao, Min Lu, Weiguo Hu, Wenguo Cui.  (2025)  An mRNA microsphere vaccine inhibiting overactivation of DNA sensing mechanisms.  Science Bulletin,      [PMID:41353085] [10.1016/j.scib.2025.11.016]
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23. Dan Wang, Yuanmin Gong, Meiting Yan, Jiaqi Chen, Xueping Tao, Yang Zhou, Yan Ma, Li Rao, Panpan Chen, Qifeng Fu.  (2025)  Self-polymerization-driven high-purity hydrophobic carbon dots incorporated monolithic columns for high-selectivity reversed-phase capillary liquid chromatography.  MICROCHEMICAL JOURNAL,      [PMID:] [10.1016/j.microc.2025.113665]
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