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%

Related Compounds

  • 2-benzyl-1-pyridin-2-yl-4a,5,6,7,8,8a-hexahydro-1H-chromeno[2,3-c]pyrrole-3,9-dione
  • 8-(3,5-Dimethylpyrazol-1-yl)-7-[(4-fluorophenyl)methyl]-3-methyl-4,5-dihydropurine-2,6-dione
  • 3-Benzyl-9-cyclohexyl-1-methyl-4a,6,7,8-tetrahydropurino[7,8-a]pyrimidin-5-ium-2,4-dione
  • 7-bromo-2-(furan-2-ylmethyl)-1-pyridin-3-yl-4a,5,6,7,8,8a-hexahydro-1H-chromeno[2,3-c]pyrrole-3,9-dione
  • 1,7-dimethyl-9-(2-phenylethyl)-6,7,8,9a,10,10a-hexahydro-4aH-purino[7,8-a]pyrimidine-2,4-dione
  • 2-methyl-1-pyridin-4-yl-4a,5,6,7,8,8a-hexahydro-1H-chromeno[2,3-c]pyrrole-3,9-dione
  • 9-Cyclohexyl-1,3,7-trimethyl-4a,6,7,8-tetrahydropurino[7,8-a]pyrimidin-5-ium-2,4-dione
  • 2-(furan-2-ylmethyl)-1-pyridin-3-yl-4a,5,6,7,8,8a-hexahydro-1H-chromeno[2,3-c]pyrrole-3,9-dione
  • 3-ethyl-1,7-dimethyl-9-(2-phenylethyl)-6,7,8,9a,10,10a-hexahydro-4aH-purino[7,8-a]pyrimidine-2,4-dione
  • 8-[(2,6-dimethylmorpholin-4-yl)methyl]-1,3-dimethyl-7-(3-phenylpropyl)-5H-purin-7-ium-2,6-dione
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