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A4418 Sigma

Ammonium sulfate

for molecular biology, ≥99.0%

Synonym: Mascagnite

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Properties

Related Categories Ammonium, Biochemicals, Buffers / Buffer Salts, Buffers / Buffer salts, Chemical Synthesis,
grade   for molecular biology
InChI Key   BFNBIHQBYMNNAN-UHFFFAOYSA-N
assay   ≥99.0%
impurities   ≤0.005% Insolubles
pH   5.0-6 (25 °C, 132 g/L)
mp   >280 °C (dec.)(lit.)
solubility   H2O: soluble0.667 g/mL
density   1.77 g/mL at 25 °C(lit.)
anion traces   chloride (Cl-): ≤5 ppm
cation traces   Cu: ≤5 ppm
  Fe: ≤5 ppm
  Zn: ≤5 ppm
  heavy metals (as Pb): ≤2 ppm
absorption   A1M/260 ≤0.03
  A1M/280 ≤0.025
foreign activity   DNase, RNase, and protease, none detected

Description

Application

Ammonium sulfate has been used in the preparation of ′Blue Silver′ colloidal Coomassie stain for 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.

Packaging

1, 5 kg in poly bottle

100, 500 g in poly bottle

General description

Ammonium sulfate is commonly used in agriculture as a nitrogen fertilizer. In aqueous solution, it dissociates to form ammonium and sulfate ions.

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.



Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
BS4500000
Protocols & Articles
Peer-Reviewed Papers
15

References

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Product #

Description

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09978 Ammonium sulfate, BioUltra, ≥99.5% (T)

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