P8203
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P8203
Sigma
PIPES
SigmaUltra, ≥99% (titration)
| Synonym: | 1,4-Piperazinediethanesulfonic acid, Piperazine-1,4-bis(2-ethanesulfonic acid), Piperazine-N,N′-bis(2-ethanesulfonic acid) |
| CAS Number: | 5625-37-6 |
| Linear Formula: | C8H18N2O6S2 |
| Molecular Weight: | 302.37 |
| Beilstein Registry Number: | 817713 |
| EC Number: | 227-057-6 |
| MDL number: | MFCD00006159 |
| PubChem Substance ID: | 24898917 |
Properties
| grade | SigmaUltra |
| assay | ≥99% (titration) |
| total impurities | Insoluble matter, passes filter test |
| ign. residue (900°C) | ≤0.5% (as SO4) |
| loss | ≤0.5% loss on drying, 110°C |
| useful pH range | 6.1 - 7.5 |
| pKa (25 °C) | 6.8 |
| EQP level | Elite |
| mp | >300 °C(lit.) |
| solubility | 1 M NaOH: 0.5 M at 20 °C, clear, colorless |
| anion traces | chloride (Cl-): ≤0.2% |
| cation traces | Al: ≤0.005% |
| Ba: ≤0.0005% | |
| Bi: ≤0.0005% | |
| Ca: ≤0.005% | |
| Cd: ≤0.0005% | |
| Co: ≤0.0005% | |
| Cr: ≤0.0005% | |
| Cu: ≤0.0005% | |
| Fe: ≤0.0005% | |
| K: ≤0.005% | |
| Li: ≤0.0005% | |
| Mg: ≤0.0005% | |
| Mn: ≤0.0005% | |
| Mo: ≤0.0005% | |
| Na: ≤0.1% | |
| Ni: ≤0.0005% | |
| Pb: ≤0.0005% | |
| Sr: ≤0.0005% | |
| Zn: ≤0.0005% | |
| abs. | A |
| A |
Safety
| Personal Protective Equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
| Safety Statements | 22-24/25 |
| WGK Germany | 3 |
References
| Merck | Merck 13,7561 |
| Beilstein | Beil. 23,V,2,380 |
| reference | FT-IR 1 (1), 894:B / FT-IR 2 (1), 1515:C / RegBook 1 (1), 1063:A / Sigma FT-IR 1 (2), 58:D / Structure Index 1, 165:D:5 |
