Ammonium iron sulfate dodecahydrate
99.95% metals basis
Reagent
Code: #134796
Alias
Related CAS No.: 10138-04-2 (Ferroammonium sulfate), 7783-85-9 (hexahydrate); ferric ammonium sulfate dodecahydrate, ferric ammonium sulfate, ferric ammonium alum, ferric (III) ammonium sulfate, ferric alum
CAS Number
7783-83-7
science Other reagents with same CAS 7783-83-7
blur_circular Chemical Specifications
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Molecular Information
Weight
482.19 g/mol
Formula
H₄FeNO₈S₂·₁₂H₂O
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Registry Numbers
EC Number
233-382-4
MDL Number
MFCD00150004
thermostat
Physical Properties
Melting Point
39-41 °C(lit.)
Boiling Point
230 °C
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Storage & Handling
Density
1.710 g/cm3
Storage
2-8°C
description Product Description
Used in analytical chemistry as a primary standard for redox titrations, particularly in the calibration of potassium permanganate and other oxidizing agents. It is also employed in the preparation of iron-containing reagents and in educational laboratories for teaching stoichiometry and titration techniques. Its high purity and stability make it suitable for precise measurements. Additionally, it finds use in water treatment processes and as a mordant in dyeing textiles to help fix colors.
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