Ammonium Sulfate - CAS 7783-20-2 - Calbiochem Certificates of Analysis
Title
Lot Number
168355
Data Sheet
Note that this data sheet is not lot-specific and is representative of the current specifications for this product. Please consult the vial label and the certificate of analysis for information on specific lots. Also note that shipping conditions may differ from storage conditions.
Revision
04-November-2019 JSW
Synonyms
(NH₄)₂SO₄
Description
A 5% aqueous solution has a pH of 5.0-6.0. Commonly used for protein precipitation/purification.
Form
Fine white crystals
CAS number
7783-20-2
RTECS
BS4500000
Chemical formula
(NH₄)₂SO₄
Purity
>99% by formol method
Contaminants
Heavy metals: ≤0.0002% Insoluble material: ≤0.01% (filter test) Chromium: ≤0.0005%
Solubility
H₂O (1 M)
Storage
+15°C to +30°C
Hygroscopic
Do Not Freeze
Ok to freeze
Special Instructions
Following reconstitution, store at room temperature. Stock solutions are stable for up to 1 year at room temperature.