901874
Ammonium sulfate
anhydrous, Redi-Dri™, ReagentPlus®, ≥99.0%
Synonym(s):
Mascagnite
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About This Item
Linear Formula:
(NH4)2SO4
CAS Number:
Molecular Weight:
132.14
UNSPSC Code:
12352116
NACRES:
NA.21
MDL number:
Assay:
≥99.0%
Grade:
anhydrous
Form:
powder
Solubility:
water: soluble 132 g/L at 20 °C
form
powder
InChI
1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)
InChI key
BFNBIHQBYMNNAN-UHFFFAOYSA-N
grade
anhydrous
product line
ReagentPlus®, Redi-Dri™
assay
≥99.0%
pH
5-6 (25 °C, 132 g/L)
mp
>280 °C (dec.) (lit.)
solubility
water: soluble 132 g/L at 20 °C
density
1.77 g/mL at 25 °C (lit.)
cation traces
Fe: ≤10 ppm, Pb: ≤3 ppm, Se: ≤5 ppm
Quality Level
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General description
Ammonium sulfate is an ammonium salt commonly used as fertilizer. It can be synthesized by neutralizing sulfuric acid with ammonia. It is reported to enhance the phytotoxicity of several herbicides like glyphosates. It is formed as a co-product during the manufacture of caprolactam, a precursor of nylon.
Redi-Dri™ technology eliminates clumping and the need for complicated procedures to keep your salts free-flowing. Keeping your salts dry helps improve your results by giving accurate measurements and easier-to-handle salts and buffers. Rather than drying your salts in an oven or desiccator or breaking them apart manually, Redi-Dri™ ensures that your salts will remain easy-to-use for months without worrying about anti-caking agents. Even after repeated openings you can be assured that your results are always accurate. Redi-Dri™ saves you time, energy and money by keeping your salts usable for longer!
Redi-Dri™ technology eliminates clumping and the need for complicated procedures to keep your salts free-flowing. Keeping your salts dry helps improve your results by giving accurate measurements and easier-to-handle salts and buffers. Rather than drying your salts in an oven or desiccator or breaking them apart manually, Redi-Dri™ ensures that your salts will remain easy-to-use for months without worrying about anti-caking agents. Even after repeated openings you can be assured that your results are always accurate. Redi-Dri™ saves you time, energy and money by keeping your salts usable for longer!
Application
Ammonium sulfate may be used in methyl cellulose precipitable tannin assay to examine wine tannin in finished wine samples. It may also be used in making externally mixed aerosols for analyzing the 1 × 3 tandem differential mobility analyzer (1 × 3-TDMA), which is mainly employed for determining the irreversibility of the hygroscopic growth factor of aerosol particles.
Features and Benefits
- Increased efficiency – Eliminate time and effort of loosening hardened powders
- Safety –Avoid risks of using tools of force to break up clumps
- Economy –Faster preparation and solvation increase productivity and reduce costs
- Assured quality –Excellent, expert-tested quality with no anti-caking agents
- Flexible volumes –Available from research amounts to scale-up quantities
Legal Information
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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Ammonium Compounds.
Weston CW, et al.
Kirk-Othmer Encyclopedia of Chemical Technology (2003)
Influence of yeast strain on Shiraz wine quality indicators.
Holt H, et al.
International Journal of Food Microbiology, 165(3), 302-311 (2013)
Industrial catalytic aspects of the synthesis of monomers for nylon production.
Bellussi G and Perego C.
CATTECH, 4(1), 4-16 (2000)
Substitutes for Ammonium Sulfate as Additives with Glyphosate and Glufosinate.
Pratt D, et al.
Weed Technology, 17(3), 576-581 (2003)
The 1-by-3 tandem differential mobility analyzer for measurement of the irreversibility of the hygroscopic growth factor.
Rosenoern T, et al.
Aerosol Science and Technology, 43(7), 641-652 (2009)
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