Tetraethyl methylenediphosphonate - ≥98% , CAS No.1660-94-2

CAS: 1660-94-2 Cat. No.: T138344 Molecular Weight: 288.21 Beilstein Registry Number: 1813241 EC Number: 216-764-5 PubChem CID: 15455
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
NSC 133889 | Methylenebisphosphonic acid, tetraethyl ester | tetraethylmethylenebis(phosphonate) | Tetraethyl methylenebisphosphonate | AKOS003600075 | methylene bisphosphonic acid, tetraethyl ester | methylene diphosphonic acid tetraethyl ester | Phospho
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5ml
T138344-5ml
3
$12.90
25ml
T138344-25ml
3
$39.90
100ml
T138344-100ml
2
$117.90
Enter a quantity for the sizes you want to add.
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Why this grade

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

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Storage & shipping

Room temperature 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Reactant for synthesis of:
Dual substrate-site inhibitors of 3-deoxy-D-arabino-heptulosonate 7-phosphate synthase;Unnatural alpha-amino acid derivatives containing gem-biphosphonates; Biphenyl sulfonylamino Me bisphosphonic acids as inhibitors of matrix metalloproteinases and bone resorption; Lycopene via Wittig-Horner reaction;Alkylaminoethylbisphosphinic acids to target farnesyl diphosphate synthase; Aromatic bisphosphonates for use as inhibitors of geranylgeranyl diphosphate synthase; Precursor for synthesis of dendritic polyglycerol anions used toward L-selectin inhibition.

Specifications

Synonyms
NSC 133889 | Methylenebisphosphonic acid, tetraethyl ester | tetraethylmethylenebis(phosphonate) | Tetraethyl methylenebisphosphonate | AKOS003600075 | methylene bisphosphonic acid, tetraethyl ester | methylene diphosphonic acid tetraethyl ester | Phospho
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid504752668
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504752668
Canonical SmilesCCOP(=O)(CP(=O)(OCC)OCC)OCC
IUPAC Name1-[diethoxyphosphorylmethyl(ethoxy)phosphoryl]oxyethane
InChIKeySTJWVOQLJPNAQL-UHFFFAOYSA-N
INCHI1S/C9H22O6P2/c1-5-12-16(10,13-6-2)9-17(11,14-7-3)15-8-4/h5-9H2,1-4H3
Isomeric SMILES CCOP(=O)(CP(=O)(OCC)OCC)OCC
WGK Germany 3
RTECS SZ9150000
PubChem CID 15455
Molecular Weight 288.21
Beilstein 1813241

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.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassOrganic phosphonic acids and derivatives
SubclassBisphosphonates
Intermediate Tree Nodes Not available
Direct ParentBisphosphonates
Alternative Parents Dialkyl alkylphosphonates  Phosphonic acid esters  Organopnictogen compounds  Organophosphorus compounds  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Bisphosphonate - Dialkyl alkylphosphonate - Phosphonic acid diester - 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 bisphosphonates. These are organic compounds containing two phosphonate groups linked together through a carbon atoms.
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
G2215485Certificate of AnalysisJan 20, 2026 T138344
G2215486Certificate of AnalysisJan 20, 2026 T138344
G2215487Certificate of AnalysisJan 20, 2026 T138344
F1825149Certificate of AnalysisAug 15, 2025 T138344
H2511558Certificate of AnalysisJul 09, 2025 T138344
H2511575Certificate of AnalysisJul 09, 2025 T138344
H2511641Certificate of AnalysisJul 09, 2025 T138344
A2516031Certificate of AnalysisJan 18, 2025 T138344
F1825150Certificate of AnalysisFeb 15, 2022 T138344
Chemical and Physical Properties
SolubilitySlightly miscible with water.
SensitivityHeat sensitive
Refractive Index1.442
Flash Point(°F)230.0 °F
Flash Point(°C)110 °C
Boil Point(°C)171-174 °C
Molecular Weight288.210 g/mol
XLogP30.300
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count6
Rotatable Bond Count10
Exact Mass288.089 Da
Monoisotopic Mass288.089 Da
Topological Polar Surface Area71.100 Ų
Heavy Atom Count17
Formal Charge0
Complexity245.000
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
Solution Calculators
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