1.02161
Calcium sulfate dihydrate
precipitated for analysis EMSURE®
Synonym(s):
Calcium sulfate dihydrate
About This Item
Quality Level
product line
EMSURE®
Assay
99.0-102.0% (complexometric)
form
solid
potency
>10000 mg/kg LD50, oral (Rat)
impurities
≤0.01% Substances insoluble in hydrochloric acid
pH
7.0 (20 °C, 50 g/L in H2O, slurry)
solubility
2 g/L
density
2.32 g/cm3 at 20 °C
bulk density
400‑600 kg/m3
anion traces
carbonate (CO32-): passes test
chloride (Cl-): ≤0.005%
nitrate (NO3-): passes test
cation traces
Fe: ≤0.001%
K: ≤0.005%
Mg: ≤0.01%
Na: ≤0.2%
Sr: ≤0.05%
heavy metals (as Pb): ≤0.002%
storage temp.
2-30°C
InChI
1S/Ca.H2O4S.2H2O/c;1-5(2,3)4;;/h;(H2,1,2,3,4);2*1H2/q+2;;;/p-2
InChI key
PASHVRUKOFIRIK-UHFFFAOYSA-L
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Application
- Acid leaching technology for post-consumer gypsum purification.: This research presents a novel method for purifying post-consumer gypsum, primarily composed of calcium sulfate dihydrate, through acid leaching, highlighting advancements in recycling and environmental management of gypsum waste (Castro-Diaz et al., 2023).
- Gypsum-Related Impact on Antibiotic-Loaded Composite Based on Highly Porous Hydroxyapatite-Advantages and Disadvantages.: This study evaluates the influence of gypsum in antibiotic-loaded composites, offering significant findings on the biomedical applications of calcium sulfate dihydrate in drug delivery systems (Zalewska et al., 2023).
- Organic solvent-free synthesis of calcium sulfate hemihydrate at room temperature.: Details a groundbreaking method for synthesizing calcium sulfate hemihydrate without organic solvents, contributing to greener and more sustainable chemical processes in industrial and laboratory settings (Reigl et al., 2024).
Analysis Note
Substances insoluble in hydrochloric acid: ≤ 0.01 %
Carbonate (CO₃): passes test
Chloride (Cl): ≤ 0.005 %
Nitrate (NO₃): passes test
Heavy metals (as Pb): ≤ 0.002 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.01 %
Na (Sodium): ≤ 0.2 %
Sr (Strontium): ≤ 0.05 %
Legal Information
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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