791768

Sodium carbonate

anhydrous, free-flowing, Redi-Dri^™, ACS reagent, ≥99.5%

• 동의어(들): Calcined soda, Carbonic acid disodium salt, Soda ash
• Linear Formula: Na₂CO₃
• CAS Number: 497-19-8
• Molecular Weight: 105.99
• Beilstein: 4154566
• EC Number: 207-838-8
• MDL number: MFCD00003494
• UNSPSC 코드: 12352302
• NACRES: NA.21
• 분석: ≥99.5%
• Grade: ACS reagent; anhydrous
• 양식: powder

속성

• Grade: ACS reagent; anhydrous
• Quality Level: 100
• Agency: suitable for EPA 300
• 제품 라인: Redi-Dri^™
• 분석: ≥99.5%
• 양식: powder
• 품질: free-flowing
• 불순물: ≤0.005% silica; ≤0.01% insolubles
• 손실: ≤1.0% loss on heating
• pH: 12 (25 °C, 106 g/L)
• mp: 851 °C (lit.)
• 음이온 미량물: chloride (Cl^-): ≤0.001%; phosphate (PO₄^3-): ≤0.001%; sulfur compounds (as SO₄^2-): ≤0.003%
• 양이온 미량물: Ca: ≤0.03%; Fe: ≤5 ppm; K: ≤0.005%; Mg: ≤0.005%; heavy metals: ≤5 ppm (by ICP-OES)
• SMILES string: O=C(O[Na])O[Na]
• InChI: 1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
• InChI key: CDBYLPFSWZWCQE-UHFFFAOYSA-L

설명

애플리케이션

• Denitrification mechanism of NaOH in the presence of carbon.: Explores the interaction between sodium carbonate and other chemicals in environmental applications, particularly focusing on denitrification processes important for water treatment (Li et al., 2005).


• Evaluation of capillary electrophoresis for determining the concentration of dissolved silica in geothermal brines.: Discusses the role of sodium carbonate in modifying sample pH for capillary electrophoresis, essential for accurate measurement of silica in complex geothermal fluids (Santoyo et al., 2005).

생화학적/생리학적 작용

Buffer component, may be used for the removal of peripheral membrane proteins.

법적 정보

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

안전성 정보

• 픽토그램: GHS07
• 신호어: Warning
• 유해 및 위험 성명서: H319
• 예방조치 성명서: P264 - P280 - P305 + P351 + P338 - P337 + P313
• Hazard Classifications: Eye Irrit. 2
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable