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Bis(2-oxo-3-oxazolidinyl)phosphinic Chloride
(CAS RN:68641-49-6 Product Number:B1213)


Bis(2-oxo-3-oxazolidinyl)phosphinic Chloride
Synonym Bis(2-oxo-3-oxazolidinyl)phosphorodiamidic Chloride
Synonym BOP-Cl

General Information

Product Number B1213

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Purity/Analysis Method >97.0%(T)
Storage Temperature
M.F. / M.W. C6H8ClN2O5P=254.56
CAS RN 68641-49-6
Related CAS RN
MDL Number MFCD00010077
Packaging and Container
  • Product Details
  • Safety & Regulations


Appearance White to Almost white powder to crystal
Purity(Argentmetric Titration) min. 97.0 %
Solubility in N,N-DMF almost transparency


Reaxys-RN 3654596
PubChem SID 87564149
F&F 10,41
RTECS# SZ5871000


Signal Word Danger
Hazard Statements
  • H290
  • :May be corrosive to metals.
  • H302+H312+H332
  • :Harmful by inhalation, in contact with skin and if swallowed.
  • H314
  • :Causes severe skin burns and eye damage.
Precautionary Statements
  • P260
  • :Do not breathe dusts or mists.
  • P280
  • :Wear protective gloves, protective clothing, face protection.
  • P301+P330+P331+P310
  • :IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Immediately call a POISON CENTER or doctor.
  • P303+P361+P353+P310+P363
  • :IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower. Immediately call a POISON CENTER or doctor. Wash contaminated clothing before reuse.
  • P304+P340+P310
  • :IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER or doctor.
  • P305+P351+P338+P310
  • :IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor.

Transport Information

UN Number 3261
Class 8
Packing Group II
HS Number 2934999090


Reagent for Activating Carbonyl Group / Condensation Reagent


Typical Procedure (Entry 1):
N,N-Bis(2-oxo-3-oxazolidinyl)phosphorodiamidic chloride (1.27 g, 5 mmol) is added to a solution of cyanoacetic acid (0.43 g, 5 mmol) and triethylamine (0.7 mL, 5 mmol) in dichloromethane (10 mL). The suspension is stirred for 30 minutes under cooling with an ice bath. Aniline (0.46 mL, 5 mmol) is added and then triethylamine (0.7 mL, 5 mmol) in dichloromethane (2 mL) is added dropwise during 120 minutes at the same temperature. Water (20 mL) and 4 N hydrochloric acid are added to pH 1-1.5. The precipitated amide is filtered off. The organic layer is washed with a solution of sodium hydrogen carbonate and evaporated to yield more 2-cyano-N-phenylacetamide (0.76 g, 95%).


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