Merck 103776 Ammonium iron(III) sulfate dodecahydrate for analysis EMSURE® ACS,ISO,Reag. Ph Eur 5 kg
Merck 103776 Ammonium iron(III) sulfate dodecahydrate for analysis EMSURE® ACS,ISO,Reag. Ph Eur 5 kg
Ammonium iron(III) sulfate dodecahydrate is an inorganic analytical reagent belonging to the Merck EMSURE® product line. The material is suitable for classical analytical applications and conforms to ACS, ISO and Reag. Ph Eur reagent specifications.
Product Highlights
Product line: EMSURE®
Grade: ACS, ISO, Reag. Ph Eur
Assay: 99.0–102.0% (iodometric)
CAS number: 7783-83-7
Molar mass: 482.19 g/mol
Form: Solid
Product Information
| Manufacturer | Merck |
| Catalogue Number | 103776 |
| Product Number | 1.03776 |
| CAS Number | 7783-83-7 |
| EC Number | 233-382-4 |
| Chemical Formula | (NH4)Fe(SO4)2 · 12H2O |
| Molar Mass | 482.19 g/mol |
| Synonyms | Ferric ammonium sulfate, Iron alum, Iron(III) ammonium sulfate |
| Quality Grade | ACS, ISO, Reag. Ph Eur |
| Packaging | 5 kg (1.03776.5000) |
Physicochemical Information
| Melting Point | 39–41 °C |
| pH Value | 1.8 (100 g/L, H2O, 20 °C) |
| Density | 1.710 g/cm³ |
| Bulk Density | 750 kg/m³ |
| Solubility in Water | 1240 g/L (25 °C) |
Specifications
| Parameter | Specification |
|---|---|
| Assay (iodometric) | 99.0–102.0% |
| Insoluble matter | ≤ 0.005% |
| Chloride (Cl) | ≤ 0.0005% |
| Nitrate (NO3) | ≤ 0.01% |
| Copper (Cu) | ≤ 0.001% |
| Iron(II) (Fe II) | ≤ 0.001% |
| Calcium (Ca) | ≤ 0.01% |
| Potassium (K) | ≤ 0.005% |
| Magnesium (Mg) | ≤ 0.001% |
| Manganese (Mn) | ≤ 0.005% |
| Sodium (Na) | ≤ 0.01% |
| Lead (Pb) | ≤ 0.0005% |
| Zinc (Zn) | ≤ 0.001% |
Compliance: Corresponds to ACS, ISO, Reag. Ph. Eur.
Applications
Analytical chemistry: Reagent for classical analytical procedures.
Volumetric analysis: Suitable for analytical methods requiring iron(III) ammonium sulfate reagents.
Laboratory reagent preparation: Preparation of iron(III)-containing analytical solutions.
Quality control laboratories: Applications requiring reagents corresponding to ACS, ISO and Reag. Ph Eur specifications.
Safety and Storage Information
Signal word: Danger
Hazard classification: Serious eye damage, Category 1
H318: Causes serious eye damage.
P280: Wear eye protection/face protection.
Storage: Store below +15 °C.
Transport: Not classified as dangerous goods under ADR/RID, IATA-DGR and IMDG regulations.
Consult the current Safety Data Sheet before handling, storage or disposal.
Technical Documents and Manufacturer Information
Frequently Asked Questions
What is the CAS number?
The CAS number is 7783-83-7.
What is the assay specification?
99.0–102.0% by iodometric determination.
Does this reagent comply with ACS, ISO and Reag. Ph Eur specifications?
Yes. The manufacturer specifies conformity with ACS, ISO and Reag. Ph Eur reagent requirements.
What are the recommended storage conditions?
Store below +15 °C according to the manufacturer's storage instructions.
Product Availability and Quotation
Product: Merck 103776 Ammonium iron(III) sulfate dodecahydrate EMSURE®
Packaging: 5 kg
For current availability, pricing and technical assistance, contact Labor Teknik AŞ.
