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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