06203

Sodium hydroxide

puriss., meets analytical specification of Ph. Eur., BP, NF, E524, 98-100.5%, pellets

• 동의어(들): ‘Caustic soda’
• Linear Formula: NaOH
• CAS Number: 1310-73-2
• Molecular Weight: 40.00
• EC Number: 215-185-5
• MDL number: MFCD00003548
• UNSPSC 코드: 12352302
• PubChem Substance ID: 329748217
• NACRES: NA.21
• vapor pressure: <18 mmHg ( 20 °C); 3 mmHg ( 37 °C)

속성

• vapor density: >1 (vs air)
• Quality Level: 200
• vapor pressure: <18 mmHg ( 20 °C); 3 mmHg ( 37 °C)
• grade: puriss.
• 분석: 98-100.5%
• 양식: pellets
• 품질: meets analytical specification of Ph. Eur., BP, NF, E524
• 불순물: ≤0.0005% total nitrogen (N); ≤0.002% heavy metals (as Pb); ≤0.5% Na₂CO₃
• mp: 318 °C (lit.)
• solubility: water: soluble 1260 g/L at 20 °C
• density: 2.13 g/cm³ at 20 °C
• 음이온 미량물: chloride (Cl^-): ≤20 mg/kg; phosphate (PO₄^3-): ≤10 mg/kg; silicate (as SiO₂): ≤100 mg/kg; sulfate (SO₄^2-): ≤30 mg/kg
• 양이온 미량물: Al: ≤10 mg/kg; As: ≤2 mg/kg; Ca: ≤10 mg/kg; Fe: ≤10 mg/kg; Hg: ≤1 mg/kg; K: ≤1000 mg/kg; Pb: ≤0.5 mg/kg
• SMILES string: [OH-].[Na+]; [OH-].[Na+]
• InChI: 1S/Na.H2O/h;1H2/q+1;/p-1
• InChI key: HEMHJVSKTPXQMS-UHFFFAOYSA-M

설명

일반 설명

Sodium hydroxide, also known as lye and caustic soda, is a strong base used universally as a neutralization agent in the chemical industry, paper making, petroleum refining, cleaning compounds, and drain cleaners.

애플리케이션

Sodium hydroxide can be used as:

• A reagent in the gold-catalyzed selective oxidation of glycerol to glyceric acid.
• A catalyst for the cross-dehydrogenative coupling of alcohols and hydrosilanes to synthesize silyl ethers.
• A base in the transition-metal free Sonogashira-type couplings of aryl halides and alkynes to synthesize ynones in the presence of PEG as a phase-transfer agent.

안전성 정보

• 픽토그램: GHS05
• 신호어: Danger
• 유해 및 위험 성명서: H290,H314
• 예방조치 성명서: P234 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
• Storage Class Code: 8B - Non-combustible corrosive hazardous materials
• WGK: WGK 1
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable