E1644
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E1644
Sigma-Aldrich
Ethylenediaminetetraacetic acid disodium salt dihydrate
SigmaUltra, 98.5-101.5%
| Synonym: | Disodium ethylenediaminetetraacetate dihydrate, Edathamil, Edetate disodium salt dihydrate, EDTA disodium salt, Sequestrene Na2 |
| CAS Number: | 6381-92-6 |
| Linear Formula: | C10H14N2Na2O8 · 2H2O |
| Molecular Weight: | 372.24 |
| Beilstein Registry Number: | 3900609 |
| EC Number: | 205-358-3 |
| MDL number: | MFCD00150037 |
| PubChem Substance ID: | 24894427 |
Description
| Application | Chelator of divalent cations. Inhibits enzymes, such as metalloproteases, that require divalent cations for activity. |
Properties
| grade | SigmaUltra |
| assay | 98.5-101.5% |
| total impurities | ≤0.005% Phosphorus (P) |
| ≤0.1% Insoluble matter | |
| pH | 4.0-6.0 (20 °C, 0.1 M in H2O) |
| mp | 248 °C (dec.)(lit.) |
| solubility | H2O: 0.1 M at 20 °C, clear, colorless |
| anion traces | chloride (Cl-): ≤0.05% |
| cation traces | Al: ≤0.001% |
| Ca: ≤0.0005% | |
| Cu: ≤0.0005% | |
| Fe: ≤0.0005% | |
| K: ≤0.005% | |
| Mg: ≤0.0005% | |
| NH4+: ≤0.05% | |
| Pb: ≤0.001% | |
| Zn: ≤0.0005% |
Safety
| Personal Protective Equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
| WGK Germany | 2 |
| RTECS | AH4410000 |
References
| Beilstein | Beil. 4,IV,2451 |
| reference | Corp MSDS 1 (1), 1606:D / FT-IR 2 (1), 902:B / FT-IR 1 (1), 567:B / IR-Spectra (2), 303:G / IR-Spectra (3), 340:D / RegBook 1 (1), 647:I / Sigma FT-IR 1 (2), 549:B / Structure Index 1, 94:A:8 |
