Methylenebis(phosphonic acid)

Basic Information

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CAS Number

1984-15-2

Molecular Formula

CH6O6P2

Molecular Weight

176 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Agricultural Chemicals Pesticides Insecticides

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

201.0 to 207.0 deg-C

Boiling Point

583.2 °C at 760 mmHg

Density

2.111

Water Solubility

Soluble in water.

Flash Point

306.5 °C

Refractive Index

1.55

SMILES

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C(P(=O)(O)O)P(=O)(O)O

InChI

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

InChIKey

MBKDYNNUVRNNRF-UHFFFAOYSA-N

LogP

-0.7007000000000001

Topological Polar Surface Area

115.06 Å²

Hydrogen Bond Donor/Acceptor

4 / 6

Complexity

152

Safety Information

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Hazard Statement

H290 May be corrosive to metals
Corrosive to Metals

H314 Causes severe skin burns and eye damage
Skin corrosion/irritation

Hazard Class

Class 8 Class 8

Sensitiveness

Sensitive to heat and light

Toxicity

LD50 in mice, rabbits (mg/kg): 45-50 i.v. (Subramanian, 1975)

Synonyms & References

English

Z56782384
UNII-73OS0QIN3O
Acidum medronicum
SMR000060476
MEDRONIC ACID [MART.]
Phosphonic acid, methylenebis-
MBKDYNNUVRNNRF-UHFFFAOYSA-
Medronic acid, European Pharmacopoeia (EP) Reference Standard
MDP, Methanediphosphonic acid
Acide medronique [INN-French]
MEDRONIC ACID [WHO-DD]
BDBM50162816
MDP-BRACCO
DTXCID6025696
methanediphosphonic acid
Opera_ID_703
Acido medronico (INN-Spanish)
(Phosphonomethyl)phosphonic acid
medronic-acid
Q2823283
MEDRONIC ACID
MEDRONIC ACID [MI]
NCGC00037856-02
MEDRONIC ACID [INN]
Methylene diphosphonic acid
Phosphonic acid, P,P'-methylenebis-
A928713
MLS000048571
SCHEMBL66716
phosphonomethylphosphonic acid
Acido medronico

MDL Number

MFCD00002139

Customs Code

2931900090

FAQ

What are the physical and chemical properties of Methylenebis(phosphonic acid) (CAS: 1984-15-2)?

Methylenebis(phosphonic acid) is a colorless or white solid with a high melting point. It has a low molecular weight of approximately 158 g/mol. This compound is soluble in water and organic solvents. It is highly reactive towards metal ions and exhibits chelating properties.

How is Methylenebis(phosphonic acid) (CAS: 1984-15-2) typically synthesized?

Methylenebis(phosphonic acid) is synthesized by the condensation reaction of diethyl phosphonate with ethylene glycol. The reaction is catalyzed by acids or bases, and the yield is typically around 85%. The process is selective and yields a pure product.

What industries use Methylenebis(phosphonic acid) (CAS: 1984-15-2)?

Methylenebis(phosphonic acid) is widely used in the pharmaceutical industry for the synthesis of chelating agents and in the polymer industry for stabilizing polymers. It is also utilized in sensors for metal ion detection and in semiconductors for etching processes.

What precautions should be taken when handling Methylenebis(phosphonic acid) (CAS: 1984-15-2)?

When handling Methylenebis(phosphonic acid), use proper personal protective equipment (PPE) such as gloves and goggles. Store it in a cool, dry place away from direct sunlight. In case of spills, use appropriate spill-control materials and consult the safety data sheet (SDS) for detailed instructions on handling and disposal.