09979
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09979
Fluka
Ammonium sulfate
TraceSELECT®, ≥99.9999% (metals basis)
| CAS Number: | 7783-20-2 |
| Linear Formula: | (NH4)2SO4 |
| Molecular Weight: | 132.14 |
| EC Number: | 231-984-1 |
| MDL number: | MFCD00003391 |
| PubChem Substance ID: | 24846508 |
Description
| Application | May be used for the precipitation or fractionation of proteins or for purification of antibodies. Useful for crystallographic analysis of nucleic acids and proteins. |
| Legal Information | TraceSELECT is a registered trademark of Sigma-Aldrich Biotechnology LP and Sigma-Aldrich Co. |
Properties
| grade | TraceSELECT® |
| assay | ≥99.9999% (metals basis) |
| mp | >280 °C (dec.)(lit.) |
| density | 1.77 g/mL at 25 °C(lit.) |
| anion traces | chloride (Cl-): ≤3 mg/kg |
| nitrate (NO3-): ≤10 mg/kg | |
| phosphate (PO4-): ≤5 mg/kg | |
| cation traces | Ag: ≤0.01 mg/kg |
| Al: ≤0.05 mg/kg | |
| As: ≤0.01 mg/kg | |
| Ba: ≤0.05 mg/kg | |
| Be: ≤0.01 mg/kg | |
| Bi: ≤0.05 mg/kg | |
| Ca: ≤0.1 mg/kg | |
| Cd: ≤0.005 mg/kg | |
| Co: ≤0.005 mg/kg | |
| Cr: ≤0.01 mg/kg | |
| Cu: ≤0.005 mg/kg | |
| Fe: ≤0.05 mg/kg | |
| Ga: ≤0.05 mg/kg | |
| Hg: ≤0.001 mg/kg | |
| In: ≤0.05 mg/kg | |
| K: ≤0.2 mg/kg | |
| Li: ≤0.05 mg/kg | |
| Mg: ≤0.01 mg/kg | |
| Mn: ≤0.01 mg/kg | |
| Na: ≤0.2 mg/kg | |
| Ni: ≤0.01 mg/kg | |
| Pb: ≤0.005 mg/kg | |
| Sr: ≤0.01 mg/kg | |
| Tl: ≤0.005 mg/kg | |
| Zn: ≤0.01 mg/kg |
Safety
| Personal Protective Equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
| WGK Germany | 1 |
| RTECS | BS4500000 |
References
| reference | Englard, S. and Seifter, S., Precipitation techniques. Meth. Enzymol. 182, 285-300, (1990) |
| Kent, U.M., Purification of antibodies using ammonium sulfate fractionation or gel filtration. Methods Mol. Biol., (1999) 115, 11-18 | |
| Dock, A.C., et al., Crystallization of transfer ribonucleic acids. Biochimie 66, 179-201, (1984) | |
| Yaremchuk, A., et al., Improved crystals of Thermus thermophilus prolyl-tRNA synthetase complexed with cognate tRNA obtained by crystallization from precipitate. Acta Crystallogr. D (Biol. Crystallogr.) 56, 197-199, (2000) | |
| Merck | Merck 13,559 |
| FT-IR 2 (3), 4751:A / FT-IR 1 (2), 1261:B / IR-Spectra (3), 1521:E / IR-Spectra (3), 762:C / RegBook 1 (3), 3439:D / Sax 6, 268 |
