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Tetraisopropyl methylenediphosphonate

CAS No.
1660-95-3
Chemical Name:
Tetraisopropyl methylenediphosphonate
Synonyms
Medronic Acid EP Impurity B;Medronic acid impurity B CRS;Tetraisopropyl Methylenediphonate;Bis(diisopropoxyphosphinyl)methane;Tetrakis(1-methylethyl) Methylenedi;tetra-i-Propylmethylenediphosphonate;TETRAISOPROPYL METHYLENEDIPHOSPHONATE;TETRAISOPROPYL(METHYLENE)BISPHOSPHONATE;TetraisopropylMethylenediphosphonate>Tetra-isopropyl methyldiphosphate ester
CBNumber:
CB0747453
Molecular Formula:
C13H30O6P2
Molecular Weight:
344.32
MDL Number:
MFCD00015021
MOL File:
1660-95-3.mol
MSDS File:
SDS
Last updated:2026-01-13 11:13:35
Product description Number Pack Size Price
Medronic acid impurity B European Pharmacopoeia (EP) Reference Standard Y0001106 40 μL $156
Tetraisopropyl methylenediphosphonate 97% 426431 25ml $153.9
Medronic acid impurity B European Pharmacopoeia (EP) Reference Standard Y0001106 y0001106 $91.8
Tetraisopropyl Methylenediphosphonate >97.0%(GC) M1319 25g $76
Tetraisopropyl Methylenediphosphonate T296270 50g $180
More product size

Tetraisopropyl methylenediphosphonate Properties

Boiling point 155 °C/0.5 mmHg (lit.)
Density 1.08 g/mL at 25 °C (lit.)
vapor pressure 0.017Pa at 20℃
refractive index n20/D 1.431(lit.)
Flash point 320 °F
storage temp. -20°C
solubility Chloroform (Slightly), Methanol (Slightly)
form liquid
color Clear Colourless to Yellow
Specific Gravity 1.080
Water Solubility Insoluble in water.
BRN 1080180
InChI 1S/C13H30O6P2/c1-10(2)16-20(14,17-11(3)4)9-21(15,18-12(5)6)19-13(7)8/h10-13H,9H2,1-8H3
InChIKey FKHXXJRKGVDPQP-UHFFFAOYSA-N
SMILES CC(C)OP(=O)(CP(=O)(OC(C)C)OC(C)C)OC(C)C
LogP 1.3 at 20℃
CAS DataBase Reference 1660-95-3(CAS DataBase Reference)
FDA UNII K46Y5V9U61
NIST Chemistry Reference Tetraisopropyl methylenediphosphonate(1660-95-3)
EPA Substance Registry System Phosphonic acid, methylenebis-, tetrakis(1-methylethyl) ester (1660-95-3)
UNSPSC Code 41116107
NACRES NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS05
Signal word  Danger
Hazard statements  H318
Precautionary statements  P280-P305+P351+P338+P310
PPE Eyeshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes  Xi
Risk Statements  41
Safety Statements  26-36-39
WGK Germany  3
TSCA  TSCA listed
HS Code  29319090
Storage Class 10 - Combustible liquids
Hazard Classifications Eye Dam. 1
NFPA 704
0
2 0

Tetraisopropyl methylenediphosphonate price More Price(23)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich Y0001106 Medronic acid impurity B European Pharmacopoeia (EP) Reference Standard 1660-95-3 40 μL $156 2025-07-31 Buy
Sigma-Aldrich 426431 Tetraisopropyl methylenediphosphonate 97% 1660-95-3 25ml $153.9 2025-07-31 Buy
Sigma-Aldrich Y0001106 Medronic acid impurity B European Pharmacopoeia (EP) Reference Standard 1660-95-3 y0001106 $91.8 2024-03-01 Buy
TCI Chemical M1319 Tetraisopropyl Methylenediphosphonate >97.0%(GC) 1660-95-3 25g $76 2025-07-31 Buy
TRC T296270 Tetraisopropyl Methylenediphosphonate 1660-95-3 50g $180 2021-12-16 Buy
Product number Packaging Price Buy
Y0001106 40 μL $156 Buy
426431 25ml $153.9 Buy
Y0001106 y0001106 $91.8 Buy
M1319 25g $76 Buy
T296270 50g $180 Buy

Tetraisopropyl methylenediphosphonate Chemical Properties,Uses,Production

Chemical Properties

Clear colorless to slightly yellow liquid

Uses

Tetraisopropyl Methylenediphosphonate is used in the preparation of E2-bisphosphonate conjugates as potential anti-osteoporosis agents. Also used in the preparation of AZT 5’-Triphosphate compounds which display inhibitory effects on HIV-1 reverse transcrpitase.

Uses

Tetraisopropyl methylenediphosphonate [T(iPr)MDP] forms a synergistic mixture with hydrogen dicarbollylcobaltate in nitrobenzene which was used in the extraction of europium and americium.
It may be used in the synthesis of the following:

  • tetraisopropyl ethenylidenebisphosphonate.
  • tetraisopropyl 4-acetylthiobutane-1,1-diphosphonate
  • tetraisopropyl 2-(3,5-bis(bromomethyl)phenyl)ethane-1,1-diphosphonate

General Description

Tetraisopropyl methylenediphosphonate (IPCP) is a tetraisopropyl ester of methylenediphosphonic acid. It is an electroneutral ligand, reported to be synthesized from triisopropyl phosphate. Powder electron paramagnetic resonance (EPR) studies of tris complexes of Cu(II) complexes with IPCP has been analyzed.

Global( 250)Suppliers
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Hebei Chuanghai Biotechnology Co., Ltd
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View Lastest Price from Tetraisopropyl methylenediphosphonate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Tetraisopropyl methylenediphosphonate pictures 2026-01-30 Tetraisopropyl methylenediphosphonate
1660-95-3
US $0.00-0.00 / KG 1KG 99% 20 mt Hebei Chuanghai Biotechnology Co., Ltd
Tetraisopropyl methylenediphosphonate pictures 2025-12-01 Tetraisopropyl methylenediphosphonate
1660-95-3
US $0.00 / kg 1kg 99% 10000KGS Shaanxi Dideu New Materials Co. Ltd
Tetraisopropyl methylenediphosphonate pictures 2021-08-12 Tetraisopropyl methylenediphosphonate
1660-95-3
US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd
METHYLENEDIPHOSPHONIC ACID TETRAISOPROPYL ESTER TETRAISOPROPYL(METHYLENE)BISPHOSPHONATE TETRAISOPROPYL METHYLENEDIPHOSPHONATE Phosphonic acid, methylenebis-, tetrakis(1-methylethyl) ester Phosphonic acid, methylenedi-, tetraisopropyl ester phosphonicacid,methylenebis-,tetrakis(1-methylethyl)ester tetra-i-Propylmethylenediphosphonate Methanediphosphonic acid tetraisopropyl ester Phosphonic acid, P,P'-methylenebis-, P,P,P',P'-tetrakis(1-methylethyl) ester Tetra isopropyl methylene diphospshonate METHYLENEBIS-PHOSPHONICACID,TETRAKIS(1-METHYLETHYL)ESTER METHYLENEPHOSPHONIC ACID TETRAISOPROPYL ESTER Tetraisopropyl(methylene)bisphosphonate, 98 % 2-[Di(propan-2-yloxy)phosphorylmethyl-propan-2-yloxyphosphoryl]oxypropane Bis(diisopropoxyphosphinyl)methane Tetraisopropyl Methylenediphonate Tetraisopropyl methylenediphosphonate,98% Tetraisopropyl methylenediphosphonatedisc 6/01 Tetraisopropyl Methylenediphosphonate(for DisodiuM clodronate) Tetraisopropyl methylenediphosphonate 97% Bis(propan-2-yl) {[bis(propan-2-yloxy)-phosphoryl]methyl}phosphonate TetraisopropylMethylenediphosphonate> Medronic acid impurity B CRS Tetrakis(1-methylethyl) Methylenedi Medronic Acid EP Impurity B Tetra-isopropyl methyldiphosphate ester Tetrakis(1-methylethyl) Methylenediphosphonate 1660-95-3 CH2POOCHCH3222 C13H30O6P2 Organic Building Blocks Phosphonates/Phosphinates Phosphorus Compounds Building Blocks Organic Building Blocks Phosphonates/Phosphinates Phosphorus Compounds