Description | |
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Catalogue Number | 103965 |
Replaces | FX0260-1 |
Synonyms | Iron vitriol |
Description | Iron(II) sulfate heptahydrate |
Product Information | |
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CAS number | 7782-63-0 |
EC index number | 026-003-01-4 |
EC number | 233-336-3 |
Grade | ACS,ISO,Reag. Ph Eur |
Hill Formula | FeO₄S * 7H₂O |
Chemical formula | FeSO₄ * 7H₂O |
Molar Mass | 278.02 g/mol |
HS Code | 2833 29 80 |
Applications | |
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Application | Iron(II) sulfate heptahydrate for analysis EMSURE® ACS,ISO,Reag. Ph Eur. CAS 7782-63-0, EC Number 233-336-3, chemical formula FeSO₄ * 7H₂O. |
Physicochemical Information | |
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Density | 1.89 g/cm3 (20 °C) |
Melting Point | >60 °C Elimination of water of crystallisation |
pH value | 3 - 4 (50 g/l, H₂O, 20 °C) |
Bulk density | 600 kg/m3 |
Solubility | 400 g/l |
Toxicological Information | |
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LD 50 oral | LD50 Rat 319 mg/kg |
Safety Information according to GHS | |
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Hazard Pictogram(s) | |
Hazard Statement(s) | H302: Harmful if swallowed. H315: Causes skin irritation. H319: Causes serious eye irritation. |
Precautionary Statement(s) | P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
RTECS | NO8510000 |
Storage class | 10 - 13 Other liquids and solids |
WGK | WGK 1 slightly water endangering |
Disposal | 14 Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535). |
Safety Information | |
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Hazard Symbols | Harmful |
Categories of danger | harmful, irritant |
R Phrase | R 22-36/38 Harmful if swallowed.Irritating to eyes and skin. |
Storage and Shipping Information | |
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Storage | Store at +15°C to +25°C. |
Specifications | |
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Assay (manganometric) | 99.5 - 102.0 % |
Identity | passes test |
Appearance of solution | passes test |
Insoluble matter | ≤ 0.01 % |
pH-value (5 %; water) | 3.0 - 4.0 |
Chloride (Cl) | ≤ 0.0005 % |
Phosphate (PO₄) | ≤ 0.001 % |
Total nitrogen (N) | ≤ 0.001 % |
Heavy metals as Pb | ≤ 0.005 % |
As (Arsenic) | ≤ 0.0002 % |
Ca (Calcium) | ≤ 0.005 % |
Cr (Chromium) | ≤ 0.005 % |
Cu (Copper) | ≤ 0.001 % |
Fe III (Iron III) | ≤ 0.02 % |
K (Potassium) | ≤ 0.002 % |
Mg (Magnesium) | ≤ 0.002 % |
Mn (Manganese) | ≤ 0.05 % |
Na (Sodium) | ≤ 0.02 % |
Ni (Nickel) | ≤ 0.005 % |
Pb (Lead) | ≤ 0.0005 % |
Zn (Zinc) | ≤ 0.005 % |
Substance not precipitated by ammonium hydroxide | ≤ 0.1 % |
Corresponds to ACS,ISO,Reag. Ph Eur |