Methylphosphonic acid
SIGMA/40941 - 99.0-101.0% (T)
Synonym: MPA
CAS Number: 993-13-5
Empirical Formula (Hill Notation): CH5O3P
Molecular Weight: 96.02
EC Number: 213-607-2
MDL Number: MFCD00002137
Linear Formula: CH3P(O)(OH)2
Product Type: Chemical
| assay | 99.0-101.0% (T) |
| cation traces | Al: ≤5 mg/kg |
| Ba: ≤5 mg/kg | |
| Bi: ≤5 mg/kg | |
| Ca: ≤10 mg/kg | |
| Cd: ≤5 mg/kg | |
| Co: ≤5 mg/kg | |
| Cr: ≤5 mg/kg | |
| Cu: ≤5 mg/kg | |
| Fe: ≤5 mg/kg | |
| K: ≤50 mg/kg | |
| Li: ≤5 mg/kg | |
| Mg: ≤5 mg/kg | |
| Mn: ≤5 mg/kg | |
| Mo: ≤5 mg/kg | |
| Na: ≤50 mg/kg | |
| Ni: ≤5 mg/kg | |
| Pb: ≤5 mg/kg | |
| Sr: ≤5 mg/kg | |
| Zn: ≤5 mg/kg | |
| InChI | 1S/CH5O3P/c1-5(2,3)4/h1H3 |
| InChI key | YACKEPLHDIMKIO-UHFFFAOYSA |
| loss | ≤2.0% loss on drying |
| mp | 103-109 °C |
| 105-107 °C (lit.) | |
| pH | 0.9-1.4 |
| Quality Level | 100  |
| SMILES string | CP(O)(O)=O |
| solubility | H2O: 2.88 g in 30 mL, clear, colorless |
| UV absorption | λ: 260 nm Amax: ≤0.05 |
| λ: 280 nm Amax: ≤0.04 |
| Application: | Highly pure methylphosphonic acid for phosphoproteome analysis |
| Symbol |  GHS05 |
| Signal word | Danger |
| Hazard statements | H314 |
| Precautionary statements | P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| RIDADR | UN 3261 8 / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 99.0-101.0% (T) |
| mp | 103-109 °C; 105-107 °C (lit.) |
| UNSPSC | 12352204 |