1.02791

Copper(II) sulfate anhydrous

for analysis EMSURE^®

• Synonym(s): Copper(II) sulfate anhydrous
• Empirical Formula (Hill Notation): CuO₄S
• CAS Number: 7758-98-7
• Molecular Weight: 159.61
• UNSPSC Code: 12352302
• EC Index Number: 231-847-6
• NACRES: NA.21
• MDL number: MFCD00010981
• Assay: ≥99.0% dry basis (iodometric)
• Grade: anhydrous
• Form: solid
• Solubility: 203 g/L

Properties

• grade: anhydrous
• Quality Segment: 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
• density: 3.60 g/cm³ at 20 °C
• bulk density: 800 kg/m³
• anion traces: chloride (Cl^-): ≤0.002%
• cation traces: Fe: ≤0.015%, N: ≤0.005%, Ni: ≤0.005%, Pb: ≤0.005%, Zn: ≤0.02%
• storage temp.: 2-30°C
• SMILES string: [Cu+2].[S](=O)(=O)([O-])[O-]
• InChI: 1S/Cu.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
• InChI key: ARUVKPQLZAKDPS-UHFFFAOYSA-L

Description

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 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• pictograms: GHS07,GHS09
• signalword: Warning
• hcodes: H302 - H315 - H319 - H410
• pcodes: P264 - P273 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Skin Irrit. 2
• Storage Class: 13 - Non Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable