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Tetrahydrat siarczanu ceru (IV)
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Opis
Cerium(IV) Sulfate Tetrahydrate
Other Names: Ceric sulfate tetrahydrate, Cerium sulfate (Ce(SO₄)₂·4H₂O)
CAS Number: 10294-42-5
Sum Formula: Ce(SO₄)₂·4H₂O
Molar Mass: 404.28 g/mol
Appearance: Yellow to orange crystalline solid
Cerium(IV) sulfate tetrahydrate is an inorganic compound containing cerium in its +4 oxidation state. It is used as a strong oxidizing agent and as a reagent in volumetric analysis, as well as in materials chemistry involving rare-earth elements.
Chemical and Physical Properties
Density: Approx. 2.7 g/cm³ (estimated)
Melting Point: Decomposes on heating
Boiling Point: Not applicable (decomposes)
Solubility in Water: Soluble (forms acidic solution)
Solubility in Other Solvents: Slightly soluble in dilute sulfuric acid; insoluble in alcohols
Odor: Odorless
Applications
Analytical Chemistry: Used as an oxidizing agent in redox titrations (especially in cerimetric analysis).
Inorganic Synthesis: Precursor for cerium dioxide (CeO₂) and other cerium compounds.
Material Science: Involved in the production of ceramics, catalysts, and polishing materials.
Electrochemistry: Applied in studies of redox systems and electron-transfer mechanisms.
Safety
Signal Word: Warning
H314 (70.9%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
H315 (29.1%): Causes skin irritation [Warning Skin corrosion/irritation]
H318 (70.3%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
H319 (29.1%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H335 (27%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
H400 (70.3%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
H410 (70.3%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]
P260, P261, P264, P264+P265, P271, P273, P280, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P316, P317, P319, P321, P332+P317, P337+P317, P362+P364, P363, P391, P403+P233, P405, and P501
Handling and Storage
Storage Conditions: Store in a tightly sealed container in a dry, cool, and well-ventilated location. Protect from moisture, heat, and reducing agents.
Handling Precautions: Avoid dust formation and direct contact. Handle with appropriate protective equipment under good industrial hygiene practices.