1.05033

Hidróxido de potasio

pellets for analysis EMSURE^®

• Sinónimos: Potasa cáustica
• Fórmula lineal: KOH
• Número de CAS: 1310-58-3
• Peso molecular: 56.11
• MDL number: MFCD00003553
• UNSPSC Code: 12352305
• EC Index Number: 215-181-3
• NACRES: NA.21

Propiedades

• agency: suitable for SM 5210
• Quality Level: 300
• vapor pressure: 1 mmHg ( 719 °C)
• product line: EMSURE^®
• assay: ≥85.0% KOH basis (acidimetric)
• form: solid
• potency: 333 mg/kg LD₅₀, oral (Rat)
• pH: 14 (20 °C, 56 g/L in H₂O)
• mp: 361 °C (lit.)
• solubility: 1130 g/L
• anion traces: carbonate (K₂CO₃): ≤1.0%; chloride (Cl^-): ≤0.005%; phosphate (PO₄^3-): ≤0.0005%; silicate (as SiO₂): ≤0.005%; sulfate (SO₄^2-): ≤0.0005%
• cation traces: Al: ≤0.001%; Ca: ≤0.001%; Cu: ≤0.0002%; Fe: ≤0.0005%; N: ≤0.0005%; Na: ≤0.5%; Ni: ≤0.0005%; Pb: ≤0.0005%; Zn: ≤0.0025%; heavy metals (as Pb): ≤0.0005%
• storage temp.: 2-30°C
• SMILES string: [OH-].[K+]
• InChI: 1S/K.H2O/h;1H2/q+1;/p-1
• InChI key: KWYUFKZDYYNOTN-UHFFFAOYSA-M

Descripción

Analysis Note

Valoración (acidimétrica, KOH): ≥ 85,0 %
Carbonatos (como K ₂CO₃): ≤ 1,0 %
Cloruros (Cl): ≤ 0,005 %
Fosfatos (PO₄): ≤ 0,0005 %
Silicatos (SiO₂): ≤ 0,005 %
Sulfatos (SO₄): ≤ 0,0005 %
Nitrógeno total (N): ≤ 0,0005 %
Metales pesados (como Pb): ≤ 0,0005 %
Al (Aluminio): ≤ 0,001 %
Ca (Calcio): ≤ 0,001 %
Cu (Cobre): ≤ 0,0002 %
Fe (Hierro): ≤ 0,0005 %
Na (Sodio): ≤ 0,5 %
Ni (Níquel): ≤ 0,0005 %
Pb (plomo): ≤ 0,0005 %
Zn (Cinc): ≤ 0,0025 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Información de seguridad

• pictograms: GHS05,GHS07
• signalword: Danger
• hcodes: H290,H302,H314
• pcodes: 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: 8B - Non-combustible corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable