• USA Home
  • 8.41124 - Methylenediphosphonic acid

8.41124 EMD Millipore

Methylenediphosphonic acid

Methylenediphosphonic acid for synthesis. CAS 1984-15-2, molar mass 176 g/mol., for synthesis

Synonym: Methanediphosphonic acid, Medronic acid

  • CAS Number 1984-15-2

  • Linear Formula CH₆O₆P₂

  • Molecular Weight 176 g/mol

  •  EC Number 217-851-0



Related Categories Acids, Acids & Bases, Chemical Synthesis, Synthetic Reagents
packaging   1 g in Glass bottle (8411240001)
mp   200 - 205 °C
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (acidimetric): ≥ 97.0 %
  Melting range (lower value): ≥ 198 °C
  Melting range (upper value): ≤ 204 °C
  Identity (IR): passes test

Price and Availability

Ask us for bulk and customization needs

My Chemicals
Safety & Documentation

Safety Information

HS Code 
2931 39 90
Hazard Statement(s) 
H314: Causes severe skin burns and eye damage.
Precautionary Statement(s) 
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Storage class 
8A Combustible, corrosive hazardous materials
WGK 2 water endangering
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.
Hazard Pictogram(s) 
GHS05  GHS05
Hazard Symbols 
Corrosive  Corrosive
Declaration (railroad and road) ADR, RID 
UN 3261 , 8, II
Declaration (transport by air) IATA-DGR 
UN 3261 , 8, II
Declaration (transport by sea) IMDG-Code 
UN 3261 , 8, II, Segregation Group: 1 (Acids)
Categories of danger 
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).
Protocols & Articles
Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?