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Potassium hydroxide, solution 40% w/v, EssentQ®

- Synonyms: Caustic potash, Potassium hydrate, Potassium oxide hydrate
- KOH
- M = 56,11 g/mol
- CAS [1310-58-3]
- EINECS-No.: 215-181-3
- Density: 1,29 g/cm3
- Solub. in water: (20 ºC): miscible
- LD 50 (oral, rat): 273 mg/kg (pure substance)
- EC-Index-No.: 019-002-00-8
- ADR: 8 C5 II UN 1814
- IMDG: 8 II UN 1814
- IATA/ICAO: 8 II UN 1814
- GHS-signal word: Danger
- GHS-H sentences: H314 - H302
- GHS-P sentences: P260 - P303+P361+P353 - P305+P351+P338 - P310 - P405 - P501a
- Tariff number: 2815 20 90 00
- Applications: laboratory reagent, synthesis of organic products, perfumery.

SPECIFICATIONS
assay (acidimetric): min. 40 %
carbonates (as Na2CO3): max. 1 %
chlorides (Cl): max. 0,002 %
phosphates (as PO4): max. 0,002 %
silicates (SiO2): max. 0,005 %
sulfates (SO4): max. 0,003 %
total nitrogen (as N): max. 0,005 %
aluminium (Al): max. 0,001 %
heavy metals (as Pb): max. 0,001 %
iron (Fe): max. 0,001 %