1.06639

Sodium sulfate

anhydrous granulated for organic trace analysis EMSURE^®

• Linear Formula: Na₂SO₄
• CAS Number: 7757-82-6
• Molecular Weight: 142.04
• MDL number: MFCD00003504
• UNSPSC Code: 12352302
• EC Index Number: 231-820-9
• NACRES: NA.21
• Assay: ≥99.0% (acidimetric)
• Form: solid
• Solubility: 200 g/L

Properties

• Quality Level: 300
• product line: EMSURE^®
• Assay: ≥99.0% (acidimetric)
• form: solid
• potency: >2000 mg/kg LD₅₀, oral (Rat)
• loss: ≤ 0.5% loss on drying, 130 °C
• pH: 5.2-8.0 (20 °C, 50 g/L in H₂O)
• mp: 884 °C (lit.)
• solubility: 200 g/L
• density: 2.68 g/mL at 25 °C (lit.)
• bulk density: 1400‑1600 kg/m³
• cation traces: Fe: ≤0.001%
• storage temp.: 2-30°C
• SMILES string: [Na+].[Na+].[O-]S([O-])(=O)=O
• InChI: 1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
• InChI key: PMZURENOXWZQFD-UHFFFAOYSA-L

Description

Analysis Note

Appearance: small crystals
Assay (acidimetric): ≥ 99.0 %
Fe (Iron): ≤ 0.001 %
Loss on drying (130 °C): ≤ 0.5 %

Legal Information

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

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable