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Safety Information

M9508

Sigma-Aldrich

Methylenediphosphonic acid

≥99%

Synonym(s):

MDP, Medronic acid

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About This Item

Linear Formula:
CH2[P(O)(OH)2]2
CAS Number:
1984-15-2
Molecular Weight:
176.00
Beilstein:
1708494
MDL number:
MFCD00002139
UNSPSC Code:
12352100
PubChem Substance ID:
57654426
NACRES:
NA.22

Quality Level

100

Assay

≥99%

form

crystals

mp

197-199 °C (lit.)

storage temp.

−20°C

SMILES string

OP(O)(=O)CP(O)(O)=O

InChI

1S/CH6O6P2/c2-8(3,4)1-9(5,6)7/h1H2,(H2,2,3,4)(H2,5,6,7)

InChI key

MBKDYNNUVRNNRF-UHFFFAOYSA-N

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Application

Methylenediphosphonic acid can be used as a precursor in the synthesis of:
  • Mesoporous aluminum organophosphonate in the presence of alkyltrimethylammonium as a surfactant.
  • Tetraester of methylenediphosphonic acids which are used as metal ion extractants for actinides in all oxidation states.

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

M9508-250MG:4548174008836
M9508-5G:4548174008843
M9508-100MG:
M9508-10G:4548174008812
M9508-BULK:
M9508-VAR:
M9508-1G:4548174008829

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Certificates of Analysis (COA)

Lot/Batch Number
BCCG7828
BCCD8919
BCCB0198
BCBW9353
BCBV1996

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Synthesis of novel mesoporous aluminum organophosphonate by using organically bridged diphosphonic acid.
Kimura T, et al.
Chemistry of Materials, 15(20), 3742-3744 (2003)
Megan H Ryan et al.
Plant, cell & environment, 42(6), 1987-2002 (2019-02-09)
Crops with improved uptake of fertilizer phosphorus (P) would reduce P losses and confer environmental benefits. We examined how P-sufficient 6-week-old soil-grown Trifolium subterraneum plants, and 2-week-old seedlings in solution culture, accumulated P in roots after inorganic P (Pi) addition.
Metal extraction by silyl-substituted diphosphonic acids. III. Ester group substituent effects on phosphoryl oxygen basicity.
Zalupski PR, et al.
Solvent Extr. Ion Exch., 21(3), 331-345 (2003)
W R Harris et al.
Biochimica et biophysica acta, 1430(2), 269-280 (1999-03-20)
Equilibrium constants for the binding of anions to apotransferrin, to the recombinant N-lobe half transferrin molecule (Tf/2N), and to a series of mutants of Tf/2N have been determined by difference UV titrations of samples in 0.1 M Hepes buffer at
Claude Grison et al.
Carbohydrate research, 341(9), 1117-1129 (2006-04-19)
A direct and general access to D-glycosyl 3-, 5-, or 6-methylenediphosphonates, di-D-glycosyl 1,5-, 3,5-, 3,6-, 5,5-, or 6,6-methylenediphosphonates and dithymidine 3',5'-methylenediphosphonate is described. The method involves the one-pot alkylidenediphosphorylation of glycosyl or thymidine derivatives. No antiviral activity was detected against
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