Sigma-Aldrich Copper(Ii) Sulfate Anhydro

Grade

anhydrous

Quality Level

300

Product Line

EMSURE^®

Assay

≥99.0% dry basis (iodometric)

Form

solid

Potency

481 mg/kg LD₅₀, oral (Rat)

Impurities

≤0.2% Substances not precipitated by hydrogen sulfide (as sulfate)

Loss

≤ 0.5% loss on drying, 250 °C

pH

3.5-4.5 (20 °C, 50 g/L in H₂O)

Solubility

203 g/L

Related Categories

Salts

Application

• Ultra-Responsive MEMS Sensing Chip for Differential Thermal Analysis (DTA):This application highlights the use of Copper(II) sulfate anhydrous in the development of micro-electromechanical systems (MEMS) chips, enhancing sensitivity in thermal analysis crucial for materials science research (Zhang H et Al., 2023).


• Development and Validation of a Copper Ligand-Exchange Chromatographic Method:Focuses on estimating D-lactic acid in Ringer-lactate solution using Copper(II) sulfate anhydrous, demonstrating its role in pharmaceutical analysis and ensuring drug safety and efficacy (Sharaf El-Din MMK et Al., 2018).


• Harvesting Water from Air Using Anhydrous Salt with Sunlight:Employs Copper(II) sulfate anhydrous in a novel environmental application that explores sustainable water harvesting technologies, addressing global water scarcity issues (Li R et Al., 2018).

Analysis Note

Assay (iodometric, calc. on dried substance): ≥ 99.0 %
Chloride (Cl): ≤ 0.002 %
Total nitrogen (N): ≤ 0.005 %
Fe (Iron): ≤ 0.015 %
Ni (Nickel): ≤ 0.005 %
Pb (Lead): ≤ 0.005 %
Zn (Zinc): ≤ 0.02 %
Substances not precipitated by hydrogen sulfide (as sulfate): ≤ 0.2 %
Loss on drying (250 °C): ≤ 0.5 %EMSURE is a registered trademark of Merck KGaA, Darmstadt, GermanyGHS07,GHS09H302 - H315 - H319 - H410P264 - P273 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338