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, solution appears as an clear aqueous solution. Corrosive to metals and tissue. Noncombustible. Used in chemical manufacturing, petroleum refining, cleaning compounds.