Tetramethyl methylenediphosphonate

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Names

[ CAS No. ]:
16001-93-7

[ Name ]:
Tetramethyl methylenediphosphonate

[Synonym ]:
TETRAMETHYL METHYLENEDIPHOSPHONATE
Tetramethylmethylenebisphosphonate
tetramethyl methylene diphosphonate
Tetramethyl methanediphosphonate
MFCD00014884

Chemical & Physical Properties

[ Density]:
1.255g/cm3

[ Boiling Point ]:
300.2ºC at 760mmHg

[ Molecular Formula ]:
C5H14O6P2

[ Molecular Weight ]:
232.10900

[ Flash Point ]:
149.2ºC

[ Exact Mass ]:
232.02700

[ PSA ]:
90.68000

[ LogP ]:
1.91570

[ Vapour Pressure ]:
0.00203mmHg at 25°C

[ Index of Refraction ]:
1.455

Safety Information

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R22;R36/38

[ Safety Phrases ]:
S26-S36/37/39

[ RIDADR ]:
UN 3278

[ Packaging Group ]:
III

[ Hazard Class ]:
6.1

[ HS Code ]:
2916190090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Carbon disulphide
  • Dimethyl phosphonate
  • diazomethane
  • Medronic Acid
  • Trimethyl orthoformate
  • Tetraisopropyl Methylenediphosphonate

DownStream

Customs

[ HS Code ]: 2916190090

[ Summary ]:
2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%