Ammonium persulfate, Cas # 7727-54-0

Ammonium sulfate, Cas # 7783-20-2 — inorganic salt reagent and fertilizer commonly used in laboratory and agricultural applications.

Key specifications: Chemical formula (NH4)2SO4; molecular weight ~132.14 g·mol⁻¹. White crystalline solid; soluble in water (approx. 0.667 g·mL⁻¹ at ambient temperature); decomposes >280 °C. Where applicable, check the manufacturer's Certificate of Analysis for exact purity and grade. (sigmaaldrich.com)

Primary uses & features: Laboratory — widely used for protein precipitation/fractionation ("salting out"), antibody purification, and preparative biochemistry; useful in crystallography and as a nitrogen supplement in defined media. Agricultural/industrial — a water-soluble nitrogen source (~21% N) and sulfur source (~24% S), often applied to acidify alkaline soils and supply plant-available sulfate. For application rates and soil suitability, follow local extension guidance and soil testing. (sigmaaldrich.com)

Packaging & manufacturer: Manufacturer: MOLEQULE-ON (New Zealand). Supplier: EMDA. Supplied size: 250 g (see product label/COA for lot-specific data).

Handling & storage: Hygroscopic — store in a cool, dry, tightly closed container; avoid moisture. Use standard laboratory PPE (gloves, eye protection, dust mask) and follow safety data sheet instructions. Dispose of per local regulations. (sigmaaldrich.com)

Notes: This description augments the original product title to summarize typical properties and common use cases; verify grade-specific suitability (e.g., molecular biology vs. technical grade) with the manufacturer or COA before critical applications.