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42735 Potassium hydroxide, 0.5N Standardized Solution in methanol

CAS Number

Stock No. Size Price ($) Quantity Availability
42735-K2 1L 45.20
42735-K7 4L 82.90
42735-M4 20L 281.00
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Potassium hydroxide, 0.5N Standardized Solution in methanol


Chemical Properties

Formula Weight
Miscible with water.


Potassium hydroxide, 0.5N standardized solution in methanol is used for volumetric analysis in laboratories.


Incompatible with acids, oxidizing agents, light metals, alkali metals, acid chlorides, acid anhydrides, reducing agents, halogens. Contact with nitromethane and other similar nitro compounds causes formation of shock-sensitive salts.

Literature References

Zytkiewicz, H. C.; Verardo, V.; Pasini, F.; Brys, J.; Koczoń, P.; Caboni, M. F. Determination of lipid and phenolic fraction in two hazelnut (Corylus avellana L.) cultivars grown in Poland. Food Chem. 2015, 168, 615-622.

Bae, S. K.; Lee, S. Y.; Hong, S. C. Thiol-terminated polystyrene through the reversible addition-fragmentation chain transfer technique for the preparation of gold nanoparticles and their application in organic memory devices. React. Funct. Polym. 2011, 71 (2), 187-194.

GHS Hazard and Precautionary Statements

Hazard Statements: H225-H301+H311+H331-H315-H318-H370

Highly flammable liquid and vapour. Toxic if swallowed. Toxic in contact with skin. Toxic if inhaled. Causes skin irritation. Causes serious eye damage. Causes damage to organs.

Precautionary Statements: P210-P233-P235-P240-P241-P242-P243-P260-P264b-P270-P271-P280-P301+P310-P303+P361+P353-P304+P340-P305+P351+P338-P307+P311-P310-P311-P312-P330-P332+P313-P363-P370+P378q-P501c

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep container tightly closed. Keep cool. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF exposed: Call a POISON CENTER or doctor/physician. Call a POISON CENTER or doctor/physician if you feel unwell. Rinse mouth. If skin irritation occurs: Get medical advice/attention. Wash contaminated clothing before reuse. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant

Other References

Hazard Class
Packing Group
Harmonized Tariff Code


  • A10792

    Hydrazine sulfate, 99+%
  • A10917

    Sodium 1-heptanesulfonate, 99% (dry wt.), water <2%
  • L08163

    2,2,2-Trichloroethanol, 99%
  • 41463

    2-Propanol, anhydrous, 99.5+%
  • 42736

    Potassium hydroxide, 1.0N Standardized Solution in methanol

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