Trimethyl borate - ≥99.997% metals basis , CAS No.121-43-7

CAS: 121-43-7 Cat. No.: T111489 Peso molecular: 103.91 Beilstein Registry Number: 1697939 Número EC: 204-468-9
Disponible para pedir
GRADE & PURITY ≥99.997% metals basis
Synonyms
TRIMETHYL BORATE|121-43-7|Trimethoxyborane|Methyl borate|Trimethoxyboron|trimethylborate|Boric acid trimethyl ester|Boric acid, trimethyl ester|Trimethoxyborine|Borester O|Boric acid (H3BO3), trimethyl ester|B(OCH3)3|NSC 777|(MeO)3B|B(OMe)3|Trimethylester
Storage
Room temperature,Argon charged,Desiccated
Shipped In
FedEx DG Service
 ·  off list, applied to all prices below.
Size
Estado
Price
Qty
10ml
T111489-10ml
3
16,90US$
50ml
T111489-50ml
2
59,90US$
250ml
T111489-250ml
2
229,90US$
Enter a quantity for the sizes you want to add.
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Why this grade

≥99.997% metals basis for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Argon charged,Desiccated 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.

📚

Literature proof

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

Specifications

Sinónimos
TRIMETHYL BORATE | 121-43-7 | Trimethoxyborane | Methyl borate | Trimethoxyboron | trimethylborate | Boric acid trimethyl ester | Boric acid, trimethyl ester | Trimethoxyborine | Borester O | Boric acid (H3BO3), trimethyl ester | B(OCH3)3 | NSC 777 | (MeO)3B | B(OMe)3 | Trimethylester
Especificaciones y pureza
≥99.997% metals basis
Condiciones de almacenamiento de almacenamiento
Room temperature, Argon charged, Desiccated
Enviado en
FedEx DG Service
Este producto requiere envío en cadena de frío. Los servicios terrestres y otros servicios económicos no están disponibles.
Pureza
≥99.997% metals basis
Nombres e identificadores
Sonrisas canónicasB(OC)(OC)OC
IUPAC Nametrimethyl borate
InChIKeyWRECIMRULFAWHA-UHFFFAOYSA-N
INCHI1S/C3H9BO3/c1-5-4(6-2)7-3/h1-3H3
Isómeros SMILES B(OC)(OC)OC
WGK Alemania 1
RTECS ED5600000
Número ONU 2416
Grupo de embalaje II
Peso molecular 103.91
Beilstein 1697939
Reaxy-Rn 1697939

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
SuperclassOrganic oxygen compounds
ClaseOrganic oxoanionic compounds
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentOrganic oxoanionic compounds
Alternative Parents Organic metalloid salts  Organooxygen compounds  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Organic borate - Organic metalloid salt - Hydrocarbon derivative - Organic salt - Organooxygen compound - Aliphatic acyclic compound
DescripciónThis compound belongs to the class of organic compounds known as organic oxoanionic compounds. These are organic compounds containing an oxoanion.
External Descriptors borate esters
Estructura 3D
Modelo de Estructura Química Interactiva





Certificados (CoA, COO, BSE/TSE y tabla de análisis)
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.

17 results found

Lot NumberCertificate TypeFechaArticulo
C2625121Certificate of AnalysisFeb 02, 2026 T111489
A2627086Certificate of AnalysisFeb 02, 2026 T111489
L2512112Certificate of AnalysisDec 22, 2025 T111489
K2518210Certificate of AnalysisNov 26, 2025 T111489
G2516059Certificate of AnalysisJul 24, 2025 T111489
E2527169Certificate of AnalysisJun 10, 2025 T111489
F2504162Certificate of AnalysisMay 12, 2025 T111489
F2513024Certificate of AnalysisMay 12, 2025 T111489
G2131331Certificate of AnalysisMay 07, 2025 T111489
E2420362Certificate of AnalysisApr 30, 2024 T111489
J2318585Certificate of AnalysisSep 11, 2023 T111489
J2318586Certificate of AnalysisSep 11, 2023 T111489
G2311216Certificate of AnalysisJun 28, 2023 T111489
G2311219Certificate of AnalysisJun 28, 2023 T111489
G2311222Certificate of AnalysisJun 28, 2023 T111489
J2412012Certificate of AnalysisJun 28, 2023 T111489
K2218121Certificate of AnalysisNov 22, 2022 T111489

Show more ⌵

Propiedades químicas y físicas
Sensibilidadmoisture sensitive
Índice de refracción1.3562-1.3582
Punto de inflamación (°F)17.6 °F
Punto de inflamación (°C)-8℃
Punto de ebullición (°C)67-69°C
Punto de fusión (°C)-29°C
Peso molecular103.920 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count3
Exact Mass104.064 Da
Monoisotopic Mass104.064 Da
Topological Polar Surface Area27.700 Ų
Heavy Atom Count7
Formal Charge0
Complexity31.700
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
Preguntas frecuentes y artículos
Citations of This Product
Referencias
1. Longli Ma, Xuanyang Li, Jian Tan, Zhan Fang, Zhu Liu, Yuan Wang, Chuming Ye, Pengshu Yi, Mingxin Ye, Jianfeng Shen.  (2023)  Anion-Immobilized Gel Polymer Electrolyte with a High Ion Transference Number for High-Performance Lithium/Sodium Metal Batteries.  ACS Applied Materials & Interfaces,      [PMID:38041638] [10.1021/acsami.3c13883]
2. Chaoze Liu, Zheng Zhou, Jiawei Ji, Yaxin Gu, Song Yan, Shaobo Yang, Rongjuan Zhang, Zhenya Liu, Yanming Xue, Chengchun Tang.  (2023)  Controllable preparation of boron nitride microspheres and their epoxy-based thermoconductive composites.  CERAMICS INTERNATIONAL,      [PMID:] [10.1016/j.ceramint.2023.05.258]
3. Zexia Li, Jingwen Yang, Hejun Gao, Jiaxiao Qiao, Wei Qiao, Peng Wang, Jun Zhang, Chengchun Tang, Yanming Xue.  (2023)  Boron Nitride Microspheres via Pyrolysis of Polymerized Precursors.  ACS Omega,      [PMID:37151536] [10.1021/acsomega.3c00313]
4. Dewei Qiu, Ping Zhou, Jiawei Kang, Zhijun Chen, Zhiyong Xu, Hanwen Yang, Jun Tao, Fanrong Ai.  (2022)  ZnO nanoparticle modified chitosan/borosilicate bioglass composite scaffold for inhibiting bacterial infection and promoting bone regeneration.  Biomedical Materials,  17  (6): (065023).  [PMID:36394277] [10.1088/1748-605X/ac99c5]
5. Binghua Zhou, Ying Zhou, Lujie Lai, Ziling Chen, Jiajia Li, Yunliang Jiang, Jian Liu, Zhipeng Wang, Zhigang Xue.  (2021)  Fabrication of Borate-Based Porous Polymer Electrolytes Containing Cyclic Carbonate for High-Performance Lithium Metal Batteries.  ACS Applied Energy Materials,      [PMID:] [10.1021/acsaem.1c01724]
6. Jianhui Li, Yuqing Liao, Weizhen Fan, Zifei Li, Guanjie Li, Qiankui Zhang, Lidan Xing, Mengqing Xu, Weishan Li.  (2020)  Significance of Electrolyte Additive Molecule Structure in Constructing Robust Interphases on High-Voltage Cathodes.  ACS Applied Energy Materials,      [PMID:] [10.1021/acsaem.0c00168]
7. Kuan Dai, Cheng Ma, Yiming Feng, Liangjun Zhou, Guichao Kuang, Yun Zhang, Yanqing Lai, Xinwei Cui, Weifeng Wei.  (2019)  A borate-rich, cross-linked gel polymer electrolyte with near-single ion conduction for lithium metal batteries.  Journal of Materials Chemistry A,  (31): (18547-18557).  [PMID:] [10.1039/C9TA05938E]
8. Li Erpeng, Li Wenqin, Li Linchang, Zhang Hao, Shen Chao, Wu Zihua, Zhang Weiwei, Xu Xiaojia, Tian He, Zhu Wei-Hong, Wu Yongzhen.  (2019)  Efficient p-i-n structured perovskite solar cells employing low-cost and highly reproducible oligomers as hole transporting materials.  Science China-Chemistry,  62  (6): (767-774).  [PMID:] [10.1007/s11426-018-9452-9]
9. Linfeng Chen, Xike Tian, Yong Li, Chao Yang, Liqiang Lu, Zhaoxin Zhou, Yulun Nie.  (2019)  An AIE dye based smartphone and LDA integrated portable, intelligent and rapid detection system as trace water indicator and cyanide detector.  DYES AND PIGMENTS,      [PMID:] [10.1016/j.dyepig.2019.03.008]
10. Jinfang Zhang, Cheng Ma, Hua Hou, Xiaofeng Li, Libao Chen, Douglas G. Ivey, Weifeng Wei.  (2018)  A star-shaped solid composite electrolyte containing multifunctional moieties with enhanced electrochemical properties for all solid-state lithium batteries.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2018.01.063]
11. Wen-Ming Wan, Shun-Shun Li, Dong-Ming Liu, Xin-Hu Lv, Xiao-Li Sun.  (2017)  Synthesis of Electron-Deficient Borinic Acid Polymers with Multiresponsive Properties and Their Application in the Fluorescence Detection of Alizarin Red S and Electron-Rich 8-Hydroxyquinoline and Fluoride Ion: Substituent Effects.  MACROMOLECULES,      [PMID:] [10.1021/acs.macromol.7b01002]
12. Guilong Zhang, Shiyao Lu, Junchao Qian, Kai Zhong, Jianming Yao, Dongqing Cai, Zhiliang Cheng, Zhengyan Wu.  (2015)  Magnetic Relaxation Switch Detecting Boric Acid or Borate Ester through One-Pot Synthesized Poly(vinyl alcohol) Functionalized Nanomagnetic Iron Oxide.  ACS Applied Materials & Interfaces,      [PMID:26171794] [10.1021/acsami.5b04863]
13. Hongxia Peng, Yiwang Chen, Lie Chen, Xiaohui He, Fan Li.  (2010)  Luminescent mesogen jacketed poly(1-alkyne) bearing lateral terphenyl with hexyloxy tail.  JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,  48  (24): (5679-5692).  [PMID:] [10.1002/pola.24361]
14. Qiyue Wang, Sirui Cui, Dao Shi, Pan Tao, Chencheng Zhang, Fang Wang, Peihua Lin, Fangyuan Li, Daishun Ling.  (2024)  A Neuronal Signal Sorting and Amplifying Nanosensor for EEG-Concordant Imaging-Guided Precision Epilepsy Ablation.  ADVANCED MATERIALS,      [PMID:39676438] [10.1002/adma.202408864]
15. Jie Chen, Rui Feng, Peng Su, Tong Zhou, Lijie Dong.  (2025)  Highly linear wearable ionic gel based on self-assembled discoid liquid crystal towards human motion monitoring.  Journal of Materials Chemistry C,      [PMID:] [10.1039/D4TC04899G]
16. Xing-Ying Zheng, Tao Li, Hua-Wen Cai, Xin-Hui Wang, Xiao-Li Sun, Wen-Ming Wan.  (2024)  Polymerization-induced emission of borinic acid towards stimuli-responsive luminescent polymers.  POLYMER,      [PMID:] [10.1016/j.polymer.2024.126996]
17. Sen Xue, Qian Wei, Rui Zhang, Tianyu Zhang, Gaigai Duan, Xiaoshuai Han, Kunming Liu, Jingquan Han, Shuijian He, Shaohua Jiang.  (2024)  Spiroborate-based three dimensional covalent organic framework for effective adsorption and separation of organic dyes.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2024.126941]
18. Jiawei Li, Junren Xiang, Ge Yi, Zhijia Hu, Xiao Liu, Rong Chen.  (2024)  Stabilization of the surface and lattice structure for LiNi0.83Co0.12Mn0.05O2via B2O3 atomic layer deposition and post-annealing.  Energy Advances,  (7): (1688-1696).  [PMID:] [10.1039/D4YA00206G]
19. Jingyi Xiong, Jiawei Zhang, Xufan Zheng, Tianyu Hu, Huimin Xiang, Yuda Li, Biao Xiao, Xunchang Wang, Renqiang Yang.  (2025)  Fluorescence sensing of nitro explosives based on deep learning.  Cell Reports Physical Science,      [PMID:] [10.1016/j.xcrp.2025.102690]
20. Ming-Xiao Zhu, Zhi-Yong Song, Zhao-Xin Teng, Jie-Rui Ren, Xue-Kai Xu, Yi-Fei Li.  (2025)  Dual dynamic crosslinked epoxy exhibiting repairability, recyclability and excellent insulation performance.  COMPOSITES SCIENCE AND TECHNOLOGY,      [PMID:] [10.1016/j.compscitech.2025.111331]
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22. Siyu Xu, Xiaoyu Li, Yueling Zhang, Danhong Zhang, Nan Gao.  (2025)  Submicron spherical carbon modified boron-doped diamond for sensitive detection of sertraline hydrochloride.  DIAMOND AND RELATED MATERIALS,      [PMID:] [10.1016/j.diamond.2025.112298]
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