60370

Potassium hydroxide

puriss. p.a., ≥86% (T), pellets

• 동의어(들): Caustic potash
• Linear Formula: KOH
• CAS Number: 1310-58-3
• Molecular Weight: 56.11
• EC Number: 215-181-3
• MDL number: MFCD00003553
• UNSPSC 코드: 12352106
• eCl@ss: 38100303
• PubChem Substance ID: 329758915
• NACRES: NA.21
• 분석: ≥86% (T)
• 양식: pellets
• solubility: alcohol: soluble(lit.); water: soluble(lit.)

속성

• vapor pressure: 1 mmHg ( 719 °C)
• Quality Level: 100
• grade: puriss. p.a.
• 분석: ≥86% (T)
• 양식: pellets
• 불순물: ≤0.0005% total nitrogen (N); ≤0.6% potassium carbonate (K₂CO₃)
• pH: ~13.5 (25 °C, 5.6 g/L)
• mp: 361 °C (lit.)
• solubility: alcohol: soluble(lit.); water: soluble(lit.)
• 음이온 미량물: chloride (Cl^-): ≤50 mg/kg; phosphate (PO₄^3-): ≤5 mg/kg; silicate (as SiO₂): ≤5 mg/kg; sulfate (SO₄^2-): ≤40 mg/kg
• 양이온 미량물: Ag: ≤5 mg/kg; Al: ≤5 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; Hg: ≤0.1 mg/kg; Li: ≤5 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; Na: ≤5000 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Sr: ≤5 mg/kg; Zn: ≤5 mg/kg
• SMILES string: [OH-].[K+]
• InChI: 1S/K.H2O/h;1H2/q+1;/p-1
• InChI key: KWYUFKZDYYNOTN-UHFFFAOYSA-M

설명

일반 설명

Potassium hydroxide (KOH, Caustic potash) is a base. It is a water absorbing, colorless solid having rhombic crystals. It has been synthesized by reacting potassium carbonate with calcium hydroxide. It is widely employed for the manufacture of dyes and pigments. Pulverized KOH may be used for the preparation of chalcones.

애플리케이션

Potassium hydroxide (KOH) may be employed for the following studies:

• As an etching agent for the laser modified silica glass. It selectively facilitates etching on exposure to femtosecond laser.
• As a catalyst for the transformation of palm oil along with methanol to methyl esters, via transesterification reaction.
• Preparation of potassium hydroxide catalyst supported on palm shell activated carbon, which is used for the transesterification of palm oil.
• To improve the catalytic efficacy of X, Y and ZSM (Zeolite Socony Mobil)-5 zeolites during the synthesis of methyl methacrylate.

기타 정보

Reagent for the decomposition of silicates by fusion

안전성 정보

• 픽토그램: GHS05,GHS07
• 신호어: Danger
• 유해 및 위험 성명서: H290,H302,H314
• 예방조치 성명서: P234 - P260 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
• Storage Class Code: 8A - Combustible corrosive hazardous materials
• WGK: WGK 1
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable