Dimethyl phosphonate - ≥98% , CAS No.868-85-9

CAS: 868-85-9 Cat. No.: D304802 Molecular Weight: 110.05 EC Number: 212-783-8
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
DIMETHYL HYDROGEN PHOSPHITE | EC 212-783-8 | D0786 | Phosphinyl radical, dimethoxy- | Bis(hydroxymethyl)phosphine oxide | (CH3O)2PHO | Cefalexinum | UNII-2VO6TC90PU | Phosphinyl, dimethoxy- | Triethylphosphine, >=97.0% | DTXCID10493 | Dimethyl ester of ph
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100ml
D304802-100ml
3
$19.90
500ml
D304802-500ml
3

$45.90

$65.90
Save $20.00 (30.35%)
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Why this grade

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

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 12 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
DIMETHYL HYDROGEN PHOSPHITE | EC 212-783-8 | D0786 | Phosphinyl radical, dimethoxy- | Bis(hydroxymethyl)phosphine oxide | (CH3O)2PHO | Cefalexinum | UNII-2VO6TC90PU | Phosphinyl, dimethoxy- | Triethylphosphine, >=97.0% | DTXCID10493 | Dimethyl ester of ph
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 SmilesCO[P+](=O)OC
IUPAC Namedimethoxy(oxo)phosphanium
InChIKeyYLFBFPXKTIQSSY-UHFFFAOYSA-N
INCHI1S/C2H6O3P/c1-4-6(3)5-2/h1-2H3/q+1
Isomeric SMILES CO[P+](=O)OC
UN Number 3278
Packing Group I
Molecular Weight 110.05
Reaxy-Rn 4958040
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=4958040&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.

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
ClassOrganooxygen compounds
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentOrganooxygen compounds
Alternative Parents Organic oxides  Hydrocarbon derivatives  Organic cations  
Molecular FrameworkAliphatic acyclic compounds
Substituents Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organic cation - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as organooxygen compounds. These are organic compounds containing a bond between a carbon atom and an oxygen atom.
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.

17 results found

Lot NumberCertificate TypeDateItem
I2312442Certificate of AnalysisJun 15, 2026 D304802
C2630519Certificate of AnalysisMar 16, 2026 D304802
C2630547Certificate of AnalysisMar 16, 2026 D304802
K2511150Certificate of AnalysisApr 12, 2025 D304802
B2626164Certificate of AnalysisApr 12, 2025 D304802
E2513239Certificate of AnalysisApr 12, 2025 D304802
E2513238Certificate of AnalysisApr 12, 2025 D304802
E2513237Certificate of AnalysisApr 12, 2025 D304802
D2514058Certificate of AnalysisJun 12, 2024 D304802
I2104155Certificate of AnalysisJun 12, 2024 D304802
J2411097Certificate of AnalysisJun 12, 2024 D304802
J2412082Certificate of AnalysisJun 12, 2024 D304802
D2423302Certificate of AnalysisMar 26, 2024 D304802
D2423301Certificate of AnalysisMar 26, 2024 D304802
I2312443Certificate of AnalysisAug 29, 2023 D304802
D2425028Certificate of AnalysisAug 13, 2021 D304802
D2313809Certificate of AnalysisAug 13, 2021 D304802

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Chemical and Physical Properties
SensitivityMoisture sensitive
Refractive Index1.4030
Boil Point(°C)170~171℃
Molecular Weight109.040 g/mol
XLogP30.000
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count2
Exact Mass109.005 Da
Monoisotopic Mass109.005 Da
Topological Polar Surface Area35.500 Ų
Heavy Atom Count6
Formal Charge1
Complexity46.800
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. Xuming Wang, Xin Li, Qiang Wu, Yubin Yuan, Weihua Liu, Chuanyu Han, Xiaoli Wang.  (2023)  A Nanoporous Polymer Modified with Hexafluoroisopropanol to Detect Dimethyl Methylphosphonate.  Nanomaterials,  14  (1): (89).  [PMID:38202543] [10.3390/nano14010089]
2. Xuming Wang, Xin Li, Qiang Wu, Yubin Yuan, Weihua Liu, Chuanyu Han, Xiaoli Wang.  (2023)  Detection of Dimethyl Methyl Phosphonate by Silica Molecularly Imprinted Materials.  Nanomaterials,  13  (21): (2871).  [PMID:37947716] [10.3390/nano13212871]
3. You Lei, Yuting Gao, Yi Xiao, Pengcheng Huang, Fang-Ying Wu.  (2023)  Cu2+-functionalized Zr-MOF triggers O-phenylendiamine oxidation for ultrasensitive ratiometric fluorescence detection of nerve agent simulant.  SENSORS AND ACTUATORS B-CHEMICAL,      [PMID:] [10.1016/j.snb.2023.134553]
4. Qiuyan Zhang, Jie Chen, Di Li, Ling Sun, Yuanlin Ren, Chunzu Cheng, Xiaohui Liu.  (2023)  Simultaneous enhancement of mechanical strength and flame retardancy of lyocell fiber via filling fire-resistant cellulose-based derivative.  INDUSTRIAL CROPS AND PRODUCTS,      [PMID:] [10.1016/j.indcrop.2023.116757]
5. Tong-Jiang Li, Bao-Ying Wen, Yue-Jiao Zhang, Lin Zhang, Jian-Feng Li.  (2022)  Au@ZrO2 core-shell nanoparticles as a surface-enhanced Raman scattering substrate for organophosphorus compounds detection.  JOURNAL OF RAMAN SPECTROSCOPY,  53  (8): (1386-1393).  [PMID:] [10.1002/jrs.6373]
6. Xing Liu, Jianqing Zhao, Xiaodan Lin.  (2022)  Construction of strong non-covalent interactions for preparation of flame-retarded acrylic pressure-sensitive adhesives with improved shear and peel strengths.  JOURNAL OF APPLIED POLYMER SCIENCE,  139  (19): (52122).  [PMID:] [10.1002/app.52122]
7. Mengwei Jiang, Yunshu Zhang, Yuan Yu, Qingwu Zhang, Bujun Huang, Zhiquan Chen, Tingting Chen, Juncheng Jiang.  (2018)  Flame retardancy of unsaturated polyester composites with modified ammonium polyphosphate, montmorillonite, and zinc borate.  JOURNAL OF APPLIED POLYMER SCIENCE,  136  (11): (47180).  [PMID:] [10.1002/app.47180]
8. Pengbo Lu, Fan Cheng, Yanghao Ou, Meiyan Lin, Lingfeng Su, Size Chen, Xilang Yao, Detao Liu.  (2017)  Rapid fabrication of transparent film directly from wood fibers with microwave-assisted ionic liquids technology.  CARBOHYDRATE POLYMERS,      [PMID:28821075] [10.1016/j.carbpol.2017.06.057]
9. Huang Wenhuan, Wang Shun, Hou Xuehan, Zhang Yanan, Zhang Xingxing, Zhao Yaoxiao, Jin Xilang, Zhang Huabin, Wang Fei, Zhang Jian.  (2025)  Negative PO3-implanted bionic ion transport channels for promoting Li-S battery.  Science China-Chemistry,      [PMID:] [10.1007/s11426-024-2463-4]
10. Guangming Sun, Jieyu Wei, Hejun Li, Tian Li, Hui Xu, Fayu Sun, Guangxian Zhang.  (2025)  Preparation of a durable flame-retardant regenerated cellulose fiber with enhanced mechanical properties.  POLYMER DEGRADATION AND STABILITY,      [PMID:] [10.1016/j.polymdegradstab.2025.111523]
11. Jinrui Jiang, Yuzhang Wu, Jiaming Luo, Wei Qu.  (2025)  Intumescent flame-retardant wood: In situ polymerization of ionic liquids and its mechanism.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.164390]
12. Shiyong Meng, Qingsong Deng, Lin Zhang, Yibo Feng, Lei Fan, Yuxin Liu, Danmin Liu, Cong Wang.  (2025)  A SERS Substrate for Ultrafast Photosynthetic Au Nanoparticle Growth on WO3 Nanowires.  Colloids and Interfaces,  (5): (70).  [PMID:] [10.3390/colloids9050070]
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