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LC4035 Methylenediphosphonic acid

for synthesis

 

Order number Packaging Quantity Price €
AC31035 Glass bottle 1 g 41.40

 

Product information
Synonyms Methanediphosphonic acid, Medronic acid
Hill Formula CH6O6P2
HS Code 2931 00 99
EC number 217-851-0
Molar mass 176 g/mol
CAS number 1984-15-2

 

Chemical and physical data
Melting point 200 – 205 °C
Molar mass 176 g/mol

 

Safety information
R Phrase R 34
Causes burns.
S Phrase S 26-36/37/39-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger corrosive
Hazard Symbol Corrosive
Storage class 8 A Combustible substances, corrosive
WGK WGK 2 water endangering
Disposal 25
Red phosphorus must not come into contact with oxidizing substances: Container I. Phosphorus compounds should be oxidized under an inert gas in an efficient hood with the front screen closed. From each gram of phosphorus compound measure out a 100-ml aliquot of 5 % Sodium hypochlorite solution (Cat.No. 105614) containing 5 ml of 50 % Sodium hydroxide solution (Cat. No. 106462) and carefully add the substance solution to be neutralized, a drop at a time, cooling with ice. Add Calcium hydroxide (Cat.No. 102047) and filter off the precipitated phosphates. Precipitate: Container I. Aqueous solutions: Container D.

 

Transport information
Declaration (transport by sea) IMDG-Code UN 3261 CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.(METHYLENEDIPHOSPHONIC ACID), 8, II, Segregation Group: 1 (Acids)
Declaration (transport by air) IATA-DGR UN 3261 CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.(METHYLENEDIPHOSPHONIC ACID), 8, II

 

Specifications
Assay (acidimetric) ≥ 97 %
Melting range
– lower value
≥ 200 °C
– upper value ≤ 204 °C
Identity (IR) passes test

 

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