1,2,4-Trimethylbenzene - Standard for GC, ≥99.5%(GC) , CAS No.95-63-6

CAS: 95-63-6 Cat. No.: T110888 Molecular Weight: 120.19 Beilstein Registry Number: 1903005 EC Number: 202-436-9
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GRADE & PURITY Standard for GC ? GC reference standard — characterized compound for calibrating GC methods. Use to build calibration curves and verify GC quantitation. ≥99.5%(GC)
Synonyms
1,2,4-TRIMETHYLBENZENE|Pseudocumene|95-63-6|Pseudocumol|Psi-cumene|as-Trimethylbenzene|1,3,4-Trimethylbenzene|Benzene, 1,2,4-trimethyl-|Uns-trimethylbenzene|1,2,5-Trimethylbenzene|Asymmetrical trimethylbenzene|.psi.-Cumene|1,2,4-trimethyl-benzene|Benzene,
Storage
Room temperature
Shipped In
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Size
Status
Price
Qty
5ml
T110888-5ml
4

$25.90

$32.90
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Why this grade

Standard for GC, ≥99.5%(GC) Standard for GC for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships FedEx DG Service 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
1, 2, 4-TRIMETHYLBENZENE | Pseudocumene | 95-63-6 | Pseudocumol | Psi-cumene | as-Trimethylbenzene | 1, 3, 4-Trimethylbenzene | Benzene, 1, 2, 4-trimethyl- | Uns-trimethylbenzene | 1, 2, 5-Trimethylbenzene | Asymmetrical trimethylbenzene | .psi.-Cumene | 1, 2, 4-trimethyl-benzene | Benzene,
Specifications & Purity
Standard for GC, ≥99.5%(GC)
Storage
Room temperature
Shipped In
FedEx DG Service
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
Standard for GC
Purity
≥99.5%(GC)
Names and Identifiers
Canonical SmilesCC1=CC(=C(C=C1)C)C
IUPAC Name1,2,4-trimethylbenzene
InChIKeyGWHJZXXIDMPWGX-UHFFFAOYSA-N
INCHI1S/C9H12/c1-7-4-5-8(2)9(3)6-7/h4-6H,1-3H3
Isomeric SMILES CC1=CC(=C(C=C1)C)C
WGK Germany 1
UN Number 3295
Packing Group III
Molecular Weight 120.19
Beilstein 1903005

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.

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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 a small molecule
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.

7 results found

Lot NumberCertificate TypeDateItem
D2622490Certificate of AnalysisMar 12, 2026 T110888
H2520558Certificate of AnalysisAug 12, 2025 T110888
H2304411Certificate of AnalysisMay 13, 2025 T110888
K2408663Certificate of AnalysisSep 19, 2024 T110888
G2418569Certificate of AnalysisJul 12, 2024 T110888
K2217822Certificate of AnalysisOct 31, 2022 T110888
C2205093Certificate of AnalysisNov 26, 2021 T110888
Chemical and Physical Properties
Refractive Index1.50484
Flash Point(°F)118.4℉
Flash Point(°C)48.0℃
Boil Point(°C)169.4°C
Molecular Weight120.190 g/mol
XLogP33.000
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
Complexity86.000
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. Bingjie Chen, Peng Liu, Bingzhi Liu, Zhandong Wang, Xiang Gao, William L. Roberts.  (2023)  Low temperature chemistry of 1,2,4-trimethylbenzene in a blend with n-heptane.  COMBUSTION AND FLAME,      [PMID:] [10.1016/j.combustflame.2023.113209]
2. Li Pei, Liu Wei, Liu Xue, Tang Yujing, Qiao Jinliang, Zhang Chunbo, Li Chenggang, Wang Xin, Ji Xiangling.  (2023)  Chain microstructure comparison of two transparent polypropylene resins fractionated by temperature rising elution fractionation.  JOURNAL OF POLYMER RESEARCH,  30  (7): (1-11).  [PMID:] [10.1007/s10965-023-03647-0]
3. Jiabin Huang, Xiaoqing Wu, Qifeng Hou, Mengqi Wu, Jiuzhong Yang, Feng Zhang.  (2021)  Molecular Orbital Insight into the Near-Threshold Photoionization Cross Sections of Monocyclic Substituted Aromatic Compounds.  ENERGY & FUELS,      [PMID:] [10.1021/acs.energyfuels.1c01867]
4. Fang Jin, Xianqiao Wang, Tieliang Liu, Linbo Xiao, Ming Yuan, Yangchun Fan.  (2016)  Synthesis of ZSM-5 with the silica source from industrial hexafluorosilicic acid as transalkylation catalyst.  CHINESE JOURNAL OF CHEMICAL ENGINEERING,      [PMID:] [10.1016/j.cjche.2016.11.004]
5. 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]
6. Jing Yang, Liang Zhao, Shaotong Liu, Yuanyuan Wang, Liyi Dai.  (2016)  High-quality bio-oil from one-pot catalytic hydrocracking of kraft lignin over supported noble metal catalysts in isopropanol system.  BIORESOURCE TECHNOLOGY,      [PMID:27123643] [10.1016/j.biortech.2016.04.029]
7. Yao Aiping, Xu Hongliang, Shao Kuizhan, Sun Chunyi, Qin Chao, Wang Xinlong, Su Zhongmin.  (2025)  Guest-induced structural transformation of single-crystal 3D covalent organic framework at room and high temperatures.  Nature Communications,  16  (1): (1-7).  [PMID:39910128] [10.1038/s41467-025-56750-9]
8. Sheng Huang, Husheng Shan, Yafei Xu, Jia Zuo, Yulong Zhao, Xiuquan Gu.  (2024)  Preparation of CsPbBr3@Fe2O3 heterojunction nanocrystals for ppb-level H2S sensing.  CERAMICS INTERNATIONAL,      [PMID:] [10.1016/j.ceramint.2024.04.295]
9. Da-Chun Jiang, Hai-Yuan Zhu.  (2024)  The crystal structure of 1,2,4-tris(bromomethyl)benzene, C9H9Br3.  ZEITSCHRIFT FUR KRISTALLOGRAPHIE-NEW CRYSTAL STRUCTURES,      [PMID:] [10.1515/ncrs-2024-0031]
10. Xingjuan Ma, Jiaqi Kong, Wei Wang, Xin Li.  (2022)  Green-Solvent Engineering for Depositing Qualified Phenyl-C61-butyl Acid Methyl Ester Films for Inverted Flexible Perovskite Solar Cells.  ACS Applied Materials & Interfaces,      [PMID:36574762] [10.1021/acsami.2c17694]
11. 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]
12. Zhen Zhang, You Wang, Xueqi Li, Xinran Wu, Yunyi Hu, Rong An, Ling Xu, Xiangdong Qing.  (2025)  A novel chemometric coupling technique combined with HPLC-DAD for rapid quantification and source apportionment of monoaromatic hydrocarbons in soil samples.  MICROCHEMICAL JOURNAL,      [PMID:] [10.1016/j.microc.2025.112881]
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