Tris(2-carboxyethyl)phosphine hydrochloride
SIGMA/75259 - BioUltra, ≥98% (NMR)
Synonym: TCEP
CAS Number: 51805-45-9
Empirical Formula (Hill Notation): C9H15O6P · HCl
Molecular Weight: 286.65
MDL Number: MFCD00145469
Linear Formula: C9H15O6P · HCl
Product Type: Chemical
| λ | 0.1 M in H2O |
| anion traces | sulfate (SO42-): ≤50 mg/kg |
| assay | ≥98% (NMR) |
| cation traces | Al: ≤5 mg/kg |
| As: ≤0.05 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 | |
| form | crystals |
| InChI | 1S/C9H15O6P.ClH/c10-7(11) |
| InChI key | PBVAJRFEEOIAGW-UHFFFAOYSA |
| loss | ≤1.0% loss on drying |
| pH | 1.2-1.5 |
| product line | BioUltra |
| Quality Level | 300 ![]() |
| reaction suitability | reagent type: reductant |
| SMILES string | Cl[H].OC(=O)CCP(CCC(O)=O) |
| solubility | H2O: 1 M, clear, colorless (no residue) |
| storage temp. | 2-8°C |
| UV absorption | λ: 260 nm Amax: 0.05 |
| λ: 280 nm Amax: 0.03 |
| Application: | Tris(2-carboxyethyl)phosp • as a component of IRE1 dialysis buffer, RNA cleavage buffer, and in in vitro cleavage assay of in vitro transcribed RNA • in reducing sulfhydryl groups to obtain total thiol fraction • to reduce protein samples |
| Application: | Water soluble reagent, used for selective reduction of disulfides. More stable than DTT and useful in mass spectrometry applications. |
| General description: | Tris(2-carboxyethyl)-phos |
| Symbol | GHS05 |
| Signal word | Danger |
| Hazard statements | H314 |
| Precautionary statements | P260 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | C |
| Risk Statements | 34 |
| Safety Statements | 26-27-36/37/39 |
| RIDADR | UN 3261 8 / PGII |
| WGK Germany | WGK 1 |
| Purity | ≥98% (NMR) |
| Storage Temp. | 2-8°C |
| UNSPSC | 12352128 |


