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CAS RN: 68641-49-6 | Product Number: B1213

Bis(2-oxo-3-oxazolidinyl)phosphinic Chloride

Purity: >97.0%(T)
  • Bis(2-oxo-3-oxazolidinyl)phosphorodiamidic Chloride
  • BOP-Cl
2   ≥20 
1   ≥20 

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Product Number B1213
Purity / Analysis Method >97.0%(T)
Molecular Formula / Molecular Weight C__6H__8ClN__2O__5P = 254.56  
Physical State (20 deg.C) Solid
Store Under Inert Gas Store under inert gas
Condition to Avoid Moisture Sensitive
CAS RN 68641-49-6
Reaxys Registry Number 3654596
PubChem Substance ID 87564149
SDBS (AIST Spectral DB) 18273
MDL Number


Appearance White to Almost white powder to crystal
Purity(Argentometric Titration) min. 97.0 %
Solubility in N,N-DMF almost transparency
Properties (reference)
Melting Point 191 °C
Solubility (soluble in) Dimethylformamide
Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H302 + H312 + H332 : Harmful if swallowed, in contact with skin or if inhaled.
H314 : Causes severe skin burns and eye damage.
H290 : May be corrosive to metals.
Precautionary Statements P260 : Do not breathe dust or mist.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P301 + P330 + P331 : IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/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/doctor.
Related Laws:
RTECS# SZ5871000
Transport Information:
UN Number UN3261
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%).


PubMed Literature

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