Bis[(4-Methylphenyl)Methyl] Oxalate - ≥97% , CAS No.18241-31-1

CAS: 18241-31-1 Cat. No.: B305242 Molecular Weight: 298.33
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
18241-31-1|Bis(4-methylbenzyl) oxalate|bis[(4-methylphenyl)methyl] oxalate|Bis(p-methylbenzyl)oxalate|Ethanedioic acid, bis[(4-methylphenyl)methyl] ester|Bis(4-methylbenzyl)oxalate|Ethanedioic acid, 1,2-bis[(4-methylphenyl)methyl] ester|Ethanedioic acid,
Storage
Room temperature,Desiccated
Shipped In
Normal
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Size
Status
Price
Qty
5g
B305242-5g
4

$9.90

$14.90
Save $5.00 (33.56%)
25g
B305242-25g
4

$14.90

$22.90
Save $8.00 (34.93%)
100g
B305242-100g
4

$49.90

$74.90
Save $25.00 (33.38%)
500g
B305242-500g
1

$170.90

$256.90
Save $86.00 (33.48%)
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature,Desiccated 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 13 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
18241-31-1 | Bis(4-methylbenzyl) oxalate | bis[(4-methylphenyl)methyl] oxalate | Bis(p-methylbenzyl)oxalate | Ethanedioic acid, bis[(4-methylphenyl)methyl] ester | Bis(4-methylbenzyl)oxalate | Ethanedioic acid, 1, 2-bis[(4-methylphenyl)methyl] ester | Ethanedioic acid,
Specifications & Purity
≥97%
Storage
Room temperature, Desiccated
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid488186421
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488186421
Canonical SmilesCC1=CC=C(C=C1)COC(=O)C(=O)OCC2=CC=C(C=C2)C
IUPAC Namebis[(4-methylphenyl)methyl] oxalate
InChIKeyFPFZBTUMXCSRLU-UHFFFAOYSA-N
INCHI1S/C18H18O4/c1-13-3-7-15(8-4-13)11-21-17(19)18(20)22-12-16-9-5-14(2)6-10-16/h3-10H,11-12H2,1-2H3
Isomeric SMILES CC1=CC=C(C=C1)COC(=O)C(=O)OCC2=CC=C(C=C2)C
Molecular Weight 298.33
Reaxy-Rn 2994056
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2994056&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.

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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.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzyloxycarbonyls
Intermediate Tree Nodes Not available
Direct ParentBenzyloxycarbonyls
Alternative Parents Toluenes  Dicarboxylic acids and derivatives  Carboxylic acid esters  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzyloxycarbonyl - Toluene - Dicarboxylic acid or derivatives - Carboxylic acid ester - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzyloxycarbonyls. These are organic compounds containing a carbonyl group substituted with a benzyloxyl 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.

9 results found

Lot NumberCertificate TypeDateItem
C2317830Certificate of AnalysisJan 26, 2026 B305242
C2317829Certificate of AnalysisJan 26, 2026 B305242
C2317828Certificate of AnalysisJan 26, 2026 B305242
K2217164Certificate of AnalysisSep 11, 2025 B305242
K2217163Certificate of AnalysisSep 11, 2025 B305242
K2217162Certificate of AnalysisSep 11, 2025 B305242
K2217160Certificate of AnalysisSep 11, 2025 B305242
K2217159Certificate of AnalysisSep 04, 2025 B305242
C2527146Certificate of AnalysisAug 15, 2022 B305242
Chemical and Physical Properties
Flash Point(°C)183.6ºC
Boil Point(°C)418.7ºC
Molecular Weight298.300 g/mol
XLogP34.100
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count7
Exact Mass298.121 Da
Monoisotopic Mass298.121 Da
Topological Polar Surface Area52.600 Ų
Heavy Atom Count22
Formal Charge0
Complexity327.000
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. Caining Zhang, Xuman Wang.  (2023)  Study on the Cotton Fabrics with Photoinduced Reversibly Switchable Wettability.  Journal of Nanotechnology,      [PMID:] [10.1155/2023/8422293]
2. Zhang Yan, Wang Yafei, Guan Ying, Zhang Yongjun.  (2022)  Peptide-enhanced tough, resilient and adhesive eutectogels for highly reliable strain/pressure sensing under extreme conditions.  Nature Communications,  13  (1): (1-12).  [PMID:36335147] [10.1038/s41467-022-34522-z]
3. Xian Yue, Huaxin Li, Yunsheng Qiu, Zhou Xiao, Xianbo Yu, Chao Xue, Junhui Xiang.  (2021)  A facile synthesis method of TiO2@SiO2 porous core shell structure for photocatalytic hydrogen evolution.  JOURNAL OF SOLID STATE CHEMISTRY,      [PMID:] [10.1016/j.jssc.2021.122250]
4. Wang Huiqiang, Li Jiachen, Yu Xin, Zhao Xiaoyu, Zeng Xianhai, Xu Feng, Tang Xing, Sun Yong, Lin Lu.  (2020)  Facile fabrication of super-hydrophilic cellulose hydrogel-coated mesh using deep eutectic solvent for efficient gravity-driven oil/water separation.  CELLULOSE,  28  (2): (949-960).  [PMID:] [10.1007/s10570-020-03578-9]
5. Xian Yue, Junyong Chen, Huaxin Li, Zhou Xiao, Xianbo Yu, Junhui Xiang.  (2020)  One pot rapid synthesis of ultra high strength hydrophobic bulk silica aerogels.  Materials Chemistry Frontiers,  (8): (2418-2427).  [PMID:] [10.1039/D0QM00234H]
6. Dingqiong Wei, Yao Ding, Zhaohui Li.  (2020)  Noble-metal-free Z-Scheme MoS2–CdS/WO3–MnO2 nanocomposites for photocatalytic overall water splitting under visible light.  INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,      [PMID:] [10.1016/j.ijhydene.2020.04.160]
7. Haipeng Luo, Yonghui Lin, Qiuju Tang, Wei Hu, Yaping Wang, Zhentao Lei, Zaizai Tong.  (2019)  Disassembly of Crystalline Platelets of an Amphiphilic Triblock Copolymer Mediated by Varying pH and Organic Diacids.  MACROMOLECULAR CHEMISTRY AND PHYSICS,  220  (15): (1900187).  [PMID:] [10.1002/macp.201900187]
8. Qingqing Liu, Chaofan Hu, Xiaomin Wang.  (2019)  Hydrothermal synthesis of oxygen-deficiency tungsten oxide quantum dots with excellent photochromic reversibility.  APPLIED SURFACE SCIENCE,      [PMID:] [10.1016/j.apsusc.2019.02.097]
9. Chenyue Zhou, Da-Wen Sun, Ji Ma, Anjun Qin, Ben Zhong Tang, Xiao-Ru Lin, Shi-Lin Cao.  (2024)  Assembly-Induced Emission of Copper Nanoclusters: Revealing the Sensing Mechanism for Detection of Volatile Basic Nitrogen in Seafood Freshness On-Site Monitoring.  ACS Applied Materials & Interfaces,      [PMID:38261539] [10.1021/acsami.3c13321]
10. Tiandi Chen, Xiaoxue Mai, Yiyun Li, Tingting Wang, Rui Gong, Feixiong Chen, Hongjie Huang, Zhiyong Yan, Feng Wang.  (2024)  Sustainable rewritable paper based on photoresponsive tungsten oxide quantum dots for anti-counterfeiting and waterproofing.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2024.155999]
11. Jingyu Song, Yongqian Shen, Guibin Zhang, Mingxuan Sun, Mengyao Han, Xueyan Du.  (2024)  Tunable interlayer spacings Ti3C2Tx MXene/Ni/C for enhanced electromagnetic microwave absorption.  CERAMICS INTERNATIONAL,      [PMID:] [10.1016/j.ceramint.2024.07.459]
12. Huimin Zhang, Ping Song, Xuanhao Mei, Dezheng Zhang, Cong Liu, Mingtao Chu, Teng Zhang, Ce Han, Weilin Xu.  (2025)  Amorphous–Crystalline Interface Coupling of IrNiOx/WO3 for Efficient and Stable Acidic Water Splitting.  ACS Catalysis,      [PMID:] [10.1021/acscatal.5c02782]
13. Guangzhi Xu, Zhuoheng Tu, Xingbang Hu, Mian Li, Xiaomin Zhang, Youting Wu.  (2023)  Protic Brønsted acidic ionic liquids with variable acidity for efficient conversion of xylose and hemicellulose to furfural.  FUEL,      [PMID:] [10.1016/j.fuel.2022.127334]
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