Ammonium Iron(II) Sulfate Hexahydrate ≥98% | Mohr’s Salt | CAS 7783-85-9

Ammonium Iron(II) Sulfate Hexahydrate (Mohr’s Salt), ReagentPlus®, ≥98% - 1KG

SKU: F3754-1KG
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For laboratory, institutional, and professional use only. Not available for residential or personal purchase. Orders are subject to verification.

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Ammonium iron(II) sulfate hexahydrate, commonly known as Mohr’s salt, is supplied as ReagentPlus® grade material with a minimum assay of ≥98%. This ferrous ammonium sulfate is widely used as a stable primary standard in redox titrations and analytical chemistry workflows.

The hexahydrate form offers improved stability compared to other ferrous salts, making it suitable for volumetric analysis, iron standard preparation, and general laboratory applications requiring reliable Fe²⁺ sources.

Chemical Name: Ammonium iron(II) sulfate hexahydrate
Synonyms: Ammonium ferrous sulfate hexahydrate; Ammonium iron(II) sulfate; Mohr’s salt
Linear Formula: (NH₄)₂Fe(SO₄)₂ · 6H₂O
CAS Number: 7783-85-9
Molecular Weight: 392.14 g/mol
Assay: ≥98%
Grade: ReagentPlus®
Quality Level: 200
Form: Powder or crystals
pH: 3–5 (20 °C, 50 g/L)
Melting Point: 100 °C (decomp.) (lit.)
EC Number: 233-151-8
MDL Number: MFCD00150530
PubChem ID: 329799703
NACRES: NA.55
UNSPSC Code: 12352302

Specifications

Ammonium Iron(II) Sulfate Hexahydrate, ReagentPlus®, ≥98%

• Assay: ≥98%
• Product Line: ReagentPlus®
• Molecular Weight: 392.14 g/mol
• Form: Powder or crystals
• pH (50 g/L, 20 °C): 3–5
• Melting Point: 100 °C (decomp.)
• Quality Level: 200

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