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Ammonium iron(III) sulfate dodecahydrate

CAS 7783-83-7 (NH4)Fe(SO4)2 · 12H2O MW 482.19 In stock

Ammonium iron(III) sulfate dodecahydrate is a crystalline inorganic compound used as a coagulant in water treatment and as a reagent in analytical chemistry. It is a double salt containing ammonium, iron(III), and sulfate ions, with twelve water molecules of hydration. CAS: 7783-83-7, Molecular formula: (NH4)Fe(SO4)2 · 12H2O, Molecular weight: 482.19 g/mol, Storage: 2 to 8 °C, Signal word: Danger. Molekula supplies Ammonium iron(III) sulfate dodecahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Ammonium iron(III) sulfate dodecahydrate is a crystalline inorganic compound used as a coagulant in water treatment and as a reagent in analytical chemistry. It is a double salt containing ammonium, iron(III), and sulfate ions, with twelve water molecules of hydration. CAS: 7783-83-7, Molecular formula: (NH4)Fe(SO4)2 · 12H2O, Molecular weight: 482.19 g/mol, Storage: 2 to 8 °C, Signal word: Danger. Molekula supplies Ammonium iron(III) sulfate dodecahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance Light purple crystals.
Identification Conforms
Fe (II) Conforms
Cu Max 0.002%
Chloride (Cl) Max 0.05%
Assay Min. 98.0%
Zn Max 0.005%
Notes Substances not precipitated by ammonium hydroxide: Max 0.1%

Storage & handling

Property Value
Storage Temperature 2 to 8 °C
Shelf Life 24 months
Acidity Acid

Identification

Property Value
CAS Number 7783-83-7
Molecular Formula (NH4)Fe(SO4)2 · 12H2O
Molecular Weight 482.19
SMILES [Fe+3].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].N
REACH Code Y110
TSCA Listed Yes
HTS Code 28332951
Tariff Code 2833298080

Safety & GHS

Danger
  • GHS pictogram — Compressed Gas Compressed Gas GHS04

Hazard statements

  • H315 Causes skin irritation
  • H318 Causes serious eye damage

Precautionary statements

  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P264 Wash thoroughly after handling
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P337+313 If eye irritation persists get medical advice/attention

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

  • 1 kg

    €140.00 · per pack

  • 250 g

    €44.30 · per pack

  • 500 g

    €75.00 · per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is ammonium iron(III) sulfate dodecahydrate used for?

It is commonly used as a coagulant in water treatment and as a reagent in analytical chemistry for iron determination.

What is the chemical formula and molecular weight?

The formula is (NH4)Fe(SO4)2 · 12H2O with a molecular weight of 482.19 g/mol.

How should this compound be stored?

Store at 2 to 8 °C in a cool, dry place away from light and incompatible materials.

What grade is available for this product?

Available in analytical grade for laboratory use.

Can Molekula supply this in bulk?

Yes, Molekula can supply this product in bulk quantities—please contact our sales team for details.

What documentation comes with the order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

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