Diethyl(hydroxymethyl)phosphonate - ≥97% , CAS No.3084-40-0

CAS: 3084-40-0 Cat. No.: D122952 Formula: C5H13O4P Molecular Weight: 168.13 Beilstein Registry Number: 1(3)2586 EC Number: 221-391-6
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
diethyl hydroxymethanephosphonate | EN300-258561 | A820643 | (Hydroxymethyl)phosphonic acid, diethyl ester | hydroxymethyl-phosphonic acid diethyl ester | hydroxymethylphosphonic acid diethylester | NR74SN9XT3 | A842986 | (Hydroxymethyl)phosphonic Acid Di
Storage
Room temperature,Argon charged
Shipped In
Normal
★
Size
Germany (EU)
USA*
Price
Qty
5g
D122952-5g
—
3 In stock

€8.59

€12.93
Save €4.34 (33.56%)
25g
D122952-25g
—
2 In stock

€9.46

€14.66
Save €5.21 (35.50%)
100g
D122952-100g
—
In stock ≥10

€36.36

€47.64
Save €11.28 (23.68%)
500g
D122952-500g
—
1 In stock

€83.22

€124.87
Save €41.65 (33.36%)
Enter a quantity for the sizes you want to add.
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Why this grade

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

🌡

Storage & shipping

Room temperature,Argon charged Ships Normal 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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Reactant for synthesis of: . α And β-dialkoxyphosphoryl isothiocyanate used in antiproliferative studies . Dendritic polyglycerol anions for L-selectin inhibition .Phosphonates for anti-HIV-1 activity .Homo and copolymers of phosphonated norbornenes Involved in studies of FBPase inhibition by phosphonic acid-containing thaizoles Reactant for Mitsunobu reactions

Specifications

Synonyms
diethyl hydroxymethanephosphonate | EN300-258561 | A820643 | (Hydroxymethyl)phosphonic acid, diethyl ester | hydroxymethyl-phosphonic acid diethyl ester | hydroxymethylphosphonic acid diethylester | NR74SN9XT3 | A842986 | (Hydroxymethyl)phosphonic Acid Di
Specifications & Purity
≥97%
Storage
Room temperature,Argon charged
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid528774725
Canonical SmilesCCOP(=O)(CO)OCC
IUPAC Namediethoxyphosphorylmethanol
InChIKeyRWIGWWBLTJLKMK-UHFFFAOYSA-N
INCHI1S/C5H13O4P/c1-3-8-10(7,5-6)9-4-2/h6H,3-5H2,1-2H3
Isomeric SMILES CCOP(=O)(CO)OCC
WGK Germany 3
Molecular Weight 168.13
Beilstein 1(3)2586
Reaxy-Rn 1812050
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1812050&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 acids and derivatives
ClassOrganic phosphonic acids and derivatives
SubclassPhosphonic acid diesters
Intermediate Tree Nodes Not available
Direct ParentDialkyl alkylphosphonates
Alternative Parents Phosphonic acid esters  Organopnictogen compounds  Organophosphorus compounds  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Dialkyl alkylphosphonate - Phosphonic acid ester - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organophosphorus compound - Organooxygen compound - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as dialkyl alkylphosphonates. These are compounds containing a phosphonic acid that is diesterified with alkyl groups, and the phosphorus atom is also directly attached to an alkyl 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.

23 results found

Lot NumberCertificate TypeDateItem
D2621656Certificate of AnalysisMar 24, 2026 D122952
D2621636Certificate of AnalysisMar 24, 2026 D122952
D2621593Certificate of AnalysisMar 24, 2026 D122952
C2620181Certificate of AnalysisApr 21, 2025 D122952
L2523086Certificate of AnalysisApr 21, 2025 D122952
G2504113Certificate of AnalysisApr 21, 2025 D122952
D2527158Certificate of AnalysisApr 21, 2025 D122952
D2527157Certificate of AnalysisApr 21, 2025 D122952
D2527156Certificate of AnalysisApr 21, 2025 D122952
D2527155Certificate of AnalysisApr 21, 2025 D122952
D2527131Certificate of AnalysisApr 21, 2025 D122952
D2527130Certificate of AnalysisApr 21, 2025 D122952
C2606081Certificate of AnalysisApr 21, 2025 D122952
I2124089Certificate of AnalysisMar 04, 2025 D122952
H2413215Certificate of AnalysisAug 03, 2024 D122952
H2413216Certificate of AnalysisAug 03, 2024 D122952
H2413217Certificate of AnalysisAug 03, 2024 D122952
L2103455Certificate of AnalysisSep 19, 2023 D122952
L2103462Certificate of AnalysisSep 19, 2023 D122952
I2203178Certificate of AnalysisJun 20, 2022 D122952
I2203186Certificate of AnalysisJun 20, 2022 D122952
I2203187Certificate of AnalysisJun 20, 2022 D122952
G2207095Certificate of AnalysisOct 12, 2021 D122952

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Chemical and Physical Properties
SensitivityUnder Inert Atmosphere
x_refractive_index1.444
x_flash_point_drop_fahrenheit>235.4 °F
x_flash_point_drop_centigrade110°(230°F)
x_boil_point_char105°C/0.2mmHg
Molecular Weight168.130 g/mol
XLogP3-0.400
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count4
Rotatable Bond Count5
Exact Mass168.055 Da
Monoisotopic Mass168.055 Da
Topological Polar Surface Area55.800 Ų
Heavy Atom Count10
Formal Charge0
Complexity115.000
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. Wang Xie, Biwu Wang, Yuan Liu, Qi Wang, Zhongqiang Yang.  (2020)  Flame retardancy of a novel high transparent poly(methyl methacrylate) modified with phosphorus-containing compound.  REACTIVE & FUNCTIONAL POLYMERS,      [PMID:] [10.1016/j.reactfunctpolym.2020.104631]
Solution Calculators
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