Ammonium sulfate
SIGMA/A4418 - for molecular biology, ≥99.0%
Synonym: Mascagnite
CAS Number: 7783-20-2
Empirical Formula (Hill Notation): H8N2O4S
Molecular Weight: 132.14
EC Number: 231-984-1
MDL Number: MFCD00003391
Linear Formula: (NH4)2SO4
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: A4418-100G
This image depicts SKU: A4418-100G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: A4418-500G
This image depicts SKU: A4418-500G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: A4418-1KG
This image depicts SKU: A4418-1KG
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: A4418-5KG
This image depicts SKU: A4418-5KG
| absorption | ≤0.025 at 280 at 1 M |
| ≤0.03 at 260 at 1 M | |
| anion traces | chloride (Cl-): ≤5 ppm |
| application(s) | metabolomics microbiology |
| assay | ≥99.0% |
| cation traces | Cu: ≤5 ppm |
| Fe: ≤5 ppm | |
| heavy metals (as Pb): ≤2 ppm | |
| Zn: ≤5 ppm | |
| density | 1.77 g/mL at 25 °C (lit.) |
| foreign activity | DNase, RNase, and protease, none detected |
| form | powder |
| grade | for molecular biology |
| impurities | ≤0.005% Insolubles |
| InChI | 1S/2H3N.H2O4S/c;;1-5(2,3) |
| InChI key | BFNBIHQBYMNNAN-UHFFFAOYSA |
| mp | >280 °C (dec.) (lit.) |
| pH | 5.0-6 (25 °C, 132 g/L) |
| Quality Level | 200  |
| SMILES string | N.N.OS(O)(=O)=O |
| solubility | H2O: 0.667 g/mL |
| suitability | suitable for flow cytometry |
| suitable for molecular biology | |
| technique(s) | affinity binding assay: suitable |
| protein purification: suitable |
| Application: | Ammonium sulfate helps in quick precipitation of celluar proteins. Ammonium sulfate may be used for the precipitation or fractionation of proteins or for purification of antibodies. It is also useful for crystallographic analysis of nucleic acids and proteins.Ammonium sulfate has been used • in the preparation of ′Blue Silver′ colloidal Coomassie stain for proteins. • to precipitate the Shiga-like toxin from the culture supernatant. • for precipitaion of viral particles from the culture supernatant. |
| Features and Benefits: | • Heavy metals (as Pb): ≤2 ppm • Free from DNase, RNase, and protease |
| General description: | Ammonium sulfate is a versatile inorganic sulfate salt, plays crucial role in biochemical research, molecular biology, and cell culture. It serves as an indispensable tool for purifying antibodies and precipitating or fractionating proteins. Furthermore, it is instrumental in crystallographic analysis of nucleic acids and proteins and also used as a nitrogen supplement in synthetic laboratory media. Our premium-grade Ammonium Sulfate is meticulously crafted to be DNase, RNase, and Protease-free, ensuring its suitability for cutting-edge research. |
| Other Notes: | For additional information on our range of Biochemicals , please complete this form . |
| Packaging: | 1 kg in poly bottle |
| Packaging: | 100, 500 g in poly bottle |
| Packaging: | 5 kg in poly drum |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.0% |
| mp | >280 °C (dec.) (lit.) |
| Density | 1.77 g/mL at 25 °C (lit.) |
| UNSPSC | 12352314 |