1310-58-3
Product Name:
Potassium hydroxide
Formula:
KOH
Synonyms:
Potassium hydroxide;Caustic potash;Potassium hydroxide solution;Potassium hydroxide hydrate;caustic potash monohydrate
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Potassium hydroxide, solution appears as an clear aqueous solution. Corrosive to metals and tissue. Noncombustible. Used in chemical manufacturing, petroleum refining, cleaning compounds. |
|---|---|
| Color/Form | White or colorless, orthorhombic, deliquescent pieces, lumps, or sticks having crystalline fracture |
| Odor | Odorless |
| Boiling Point | greater than 266 °F at 760 mmHg (USCG, 1999) |
| Melting Point | 680 °F approximately (NTP, 1992) |
| Solubility | 107 g/100 cc at 59 °F (NTP, 1992) |
| Density | 1.45 to 1.50 at 68 °F (USCG, 1999) |
| Vapor Pressure | 1 mmHg at 1326 °F ; 5 mmHg at 1497 °F (NTP, 1992) |
| Autoignition Temperature | Not flammable (USCG, 1999) |
| Decomposition | When heated to decomposition it emits toxic fumes of K2O. |
| Corrosivity | Corrosive |
| pH | Strongly alkaline (1 % solution) |
| Other Experimental Properties | Hygroscopic |
| Chemical Classes | Other Classes -> Bases |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Corrosion Corrosives GHS05 ![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H290:Corrosive to Metals H302:Acute toxicity,oral H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P234:Keep only in original container. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 56.106 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 55.96644614 g/mol |
| Monoisotopic Mass | 55.96644614 g/mol |
| Topological Polar Surface Area | 1 Ų |
| Heavy Atom Count | 2 |
| Formal Charge | 0 |
| Complexity | 2 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 2 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Potassium hydroxide (KOH), solution appears as an clear aqueous solution. Corrosive to metals and tissue. Noncombustible. Used in chemical manufacturing, petroleum refining, cleaning compounds.
Uses
Potassium hydroxide can be used in a vast range of applications, including the production of liquid soaps and detergents, as an electrolyte in alkaline batteries, in the food industry as a pH regulator and stabilizer, and in agriculture for fertilizers and soil treatment.
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