Ammonium sulfate

• Catalog No.: A2939
• CAS Number: 7783-20-2
• M. F.: H8N2O4S
• M. W.: 132.13952
• Purity: ≥99.0%

SYNONYMS

• Title: 硫酸铵
• IUPAC name: sulfuric acid diamine
• IUPAC Traditional name: sulfuric acid diamine
• Synonyms: mascagnite

DATABASE IDS

• EC Number: 231-984-1
• MDL Number: MFCD00003391
• CAS Number: 7783-20-2
• PubChem SID: 24890708

PROPERTIES

• Antion Traces: chloride (Cl-): ≤0.001%
• Antion Traces: nitrate (NO3-): ≤0.001%
• Antion Traces: phosphate (PO43-): ≤0.0005%
• Cation Traces: Al: ≤0.0005%
• Cation Traces: As: ≤0.0001%
• Cation Traces: Ba: ≤0.0005%
• Cation Traces: Bi: ≤0.0005%
• Cation Traces: Ca: ≤0.001%
• Cation Traces: Cd: ≤0.0001%
• Cation Traces: Co: ≤0.0005%
• Cation Traces: Cr: ≤0.0005%
• Cation Traces: Cu: ≤0.0002%
• Cation Traces: Fe: ≤0.0002%
• Cation Traces: K: ≤0.005%
• Cation Traces: Li: ≤0.0005%
• Cation Traces: Mg: ≤0.0005%
• Cation Traces: Mn: ≤0.0005%
• Cation Traces: Mo: ≤0.0005%
• Cation Traces: Na: ≤0.005%
• Cation Traces: Ni: ≤0.0005%
• Cation Traces: Pb: ≤0.0002%
• Cation Traces: Sr: ≤0.0005%
• Cation Traces: Zn: ≤0.0001%
• Ignition Residue: <0.01% (as SO4)
• Impurities: Insoluble matter, passes filter test
• Loss on Drying: ≤0.1% loss on drying, 110°C
• Purity: ≥99.0%
• Absorption Wavelength: A1M/260, H2O ≤0.037
• Absorption Wavelength: A1M/280, H2O ≤0.030
• Density: 1.77 g/mL at 25 °C(lit.)
• Melting Point: >280 °C (dec.)(lit.)
• pH: 5.0-6.0 (20 °C, 1 M in H2O)
• Solubility: H2O: soluble1 M at 20 °C, clear, colorless
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RTECS: BS4500000
• German water hazard class: 1

DETAILS

Description (简体中文)

Application
可用于蛋白质的沉淀或分馏，或用于抗体的纯化。用于核酸和蛋白质的结晶学分析。