1.02161
Calcium sulfate dihydrate
precipitated for analysis EMSURE®
Synonym(s):
Calcium sulfate dihydrate
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| Size/SKU | Availability | Price |
|---|---|---|
500 g | Check Cart for Availability | $138.00 |
25 kg | Check Cart for Availability | $2,750.00 |
About This Item
Quality Segment
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
SMILES string
[Ca+2].[S](=O)(=O)([O-])[O-].O.O
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
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
1 of 1
This Item | |||
|---|---|---|---|
| description precipitated for analysis EMSURE® | description (precipitated), EMPLURA® | description puriss., meets analytical specification of NF, E 516, 99.0-101.0% (based on anhydrous substance) | description ACS reagent, 98% |
| form solid | form (precipitated) | form powder | form powder |
| solubility 2 g/L | solubility - | solubility - | solubility - |
| assay 99.0-102.0% (complexometric) | assay - | assay 99.0-101.0% (based on anhydrous substance) | assay 98%, 98.0-102.0% (ACS specification) |
| Quality Level 300 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| cation traces Fe: ≤0.001%, Mg: ≤0.01%, Sr: ≤0.05%, K: ≤0.005%, heavy metals (as Pb): ≤0.002%, Na: ≤0.2% | cation traces - | cation traces As: ≤3 mg/kg, Fe: ≤50 mg/kg, Hg: ≤10 mg/kg, Pb: ≤5 mg/kg, Se: ≤30 mg/kg | cation traces Fe: ≤0.001%, K: ≤0.005%, Mg: ≤0.02%, Na: ≤0.02%, Sr: ≤0.05%, heavy metals: ≤0.002% (by ICP-OES) |
| pH 7.0 (20 °C, 50 g/L in H2O, slurry) | pH - | pH - | pH - |
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Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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