Sodium sulfate

• Catalog No.: 31481
• CAS Number: 7757-82-6
• M. F.: Na2O4S
• M. W.: 142.04214
• Purity: ≥99.0%

SYNONYMS

• Title: 硫酸钠
• IUPAC name: disodium sulfate
• IUPAC Traditional name: disodium sulfate

DATABASE IDS

• MDL Number: MFCD00003504
• EC Number: 231-820-9
• CAS Number: 7757-82-6
• PubChem SID: 24858976

PROPERTIES

• Antion Traces: chloride (Cl-): ≤10 mg/kg
• Antion Traces: phosphate (PO43-): ≤10 mg/kg
• Cation Traces: As: ≤1 mg/kg
• Cation Traces: Ca: ≤20 mg/kg
• Cation Traces: Fe: ≤5 mg/kg
• Cation Traces: K: ≤100 mg/kg
• Cation Traces: Mg: ≤25 mg/kg
• Grade: ACS reagent, reag. ISO, reag. Ph. Eur.
• Grade: puriss. p.a.
• Impurities: ≤0.0005% heavy metals (as Pb)
• Impurities: ≤0.0005% total nitrogen (N)
• Impurities: ≤0.01% in water insoluble matters
• Impurities: ≤0.03% free alkali (as NaOH)
• Impurities: ≤0.05% free acid (as H2SO4)
• Linear Formula: Na2SO4
• Loss on Drying: ≤0.5% loss on ignition, 800 °C
• Purity: ≥99.0%
• Suitability: complies for appearance of solution
• Density: 2.68 g/mL at 25 °C(lit.)
• Melting Point: 884 °C(lit.)
• pH: 5.2-8.0 (20 °C, 5%)
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RTECS: WE1650000
• German water hazard class: 1