238597

Sodium sulfate

ACS reagent, ≥99.0%, anhydrous, powder

• Linear Formula: Na₂SO₄
• CAS Number: 7757-82-6
• Molecular Weight: 142.04
• EC Number: 231-820-9
• MDL number: MFCD00003504
• UNSPSC 코드: 12352302
• PubChem Substance ID: 329752510
• NACRES: NA.21

속성

• Grade: ACS reagent; anhydrous
• Quality Level: 200
• 분석: ≥99.0%
• 형태: powder
• 불순물: ≤0.01% insolubles; ≤5 ppm N compounds
• 손실: ≤0.5% loss on ignition
• pH: 5.2-9.2 (25 °C, 5% in water); 5.2-9.2
• mp: 884 °C (lit.)
• density: 2.68 g/mL at 25 °C (lit.)
• 음이온 미량물: chloride (Cl^-): ≤0.001%; phosphate (PO₄^3-): ≤0.001%
• 양이온 미량물: Ca: ≤0.002%; Fe: ≤0.001%; K: ≤0.002%; Mg: ≤0.001%; heavy metals: ≤5 ppm (by ICP-OES)
• 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

설명

애플리케이션

Sodium sulfate can be used as a catalyst:

• In the Suzuki-Miyaura cross-coupling reactions of aryl halides with arylboronic acids to synthesize biaryl compounds in the presence of PdCl₂.
• For the aminolytic depolymerization of PET (polyethylene terephthalate) bottle waste.

It can also be used as an additive in the Pd-catalyzed Sonogashira reaction of terminal alkynes with aryl halides to synthesize polyfunctional alkynes.

기타 정보

Go to Redi-Dri^™ Product Listing 746363

법적 정보

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

안전성 정보

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