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Propanephosphonic acid anhydride
Propanephosphonic acid anhydride is an anhydride of propanephosphonic acid. Its structure is a cyclic trimer, with a phosphorus–oxygen core propyl groups, and additional oxygens attached. The chemical is a useful reagent for peptide synthesis reactions, where it activates the carboxylic acid partner for subsequent reaction with amines. It is commercially available as a 50% solution in DMF or ethyl acetate as a slightly yellow mixture.
CAS No : | 68957-94-8 |
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EC Number : | 422-210-5 |
Product Specification
- vapor pressure 97 hPa ( 20 °C)
- Quality Level 200
- Form Liquid
- Bp 77 °C/1013 hPa (ethyl acetate)
- Transition Temp flash point -4 °C (ethyl acetate)
- Density 1.08 g/cm3 at 20 °C
- Storage Temp 2-8°C
- Assay (NMR) ≥ 40.0 %
- Pyropropanephosphonic acid (NMR) ≤ 10.0 %
- Propanephosphonic acid (NMR) ≤ 0.50 %
- Ethyl acetate (calculated) ≤ 50.0 %
Safety Information As Per GHS
Hazard Statement :
- Highly flammable liquid and vapor.
- May be corrosive to metals.
- Causes severe skin burns and eye damage.
- May cause an allergic skin reaction.
- May cause drowsiness or dizziness.
Molar mass: 318.182 g·mol−1
Chemical formula: C9H21O6P3
Hazard statements: H290, H314
PubChem CID: 111923
Precautionary Statements:
- Keep away from heat, hot surfaces, sparks, open flames, and other ignition sources. No smoking.
- Keep the container tightly closed.
- Keep only in original packaging.
- Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
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