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Potassium Hydroxide CAS#1310-58-3
CAS Number: 1310-58-3
Chemical Formula: KOH
Synonyms:
POTASH
POTASH CAUSTIC
hydroxydedepotassium(solide)
POTASSIUM HYDROXIDE ETHANOLIC
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Appearance: White powder
Potassium Hydroxide CAS#1310-58-3
Potassium hydroxide(KOH) is highly basic, forming strongly alkaline solutions in water and other polar solvents. These solutions are capable of deprotonating many acids, even weak ones.
Potassium hydroxide is used to make soft soap, in scrubbing and cleaning operations, as a mordant for woods, in dyes and colorants, and for absorbing carbon dioxide. Other principle uses of caustic potash are in the preparation of several potassium salts, acid-base titrations, and in orgainic sytheses.
| Melting point | 361 °C (lit.) |
| Boiling poin t | 1320°C |
| density | 1.450 g/mL at 20 °C |
| vapor pressure | 1 mm Hg ( 719 °C) |
| refractive index | n |
| Fp | 52 °F |
| storage temp. | Store at +5°C to +30°C. |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| form | powder |
| Specific Gravity | 1.09 |
| color | white |
| Odor | Odorless |
| PH | 10.98(1 mM solution);11.95(10 mM solution);12.88(100 mM solution); |
| explosive limit | 3.5-15.0%(V) (ethanol) |
| Water Solubility | soluble |
| Sensitive | Air Sensitive & Hygroscopic |
| Merck | 14,7640 |
| Exposure limits | Ceiling in air 2 mg/m3 (ACGIH). |
| Dielectric constant | 3.3（Ambient） |
| Stability: | Stable, but very hygroscopic. Dissolves exothermically in water. Incompatible with most metals, strong acids, acid chlorides, organic materials, zinc, aluminium, nitroalkanes, nitrobenzene, chlorine dioxide. Reacts vigorously with a wide variety of other materials. Readily absorbs water and carbon dioxide from the air. |
| Cosmetics Ingredients Functions | BUFFERING |
| InChIKey | KWYUFKZDYYNOTN-UHFFFAOYSA-M |
| LogP | -1.380 (est) |
| CAS DataBase Reference | 1310-58-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Potassium hydroxide(1310-58-3) |
| EPA Substance Registry System | Potassium hydroxide (1310-58-3) |
| Potassium hydroxide Chemical Properties |
| Safety Information |
| Hazard Codes | C,F,T,Xi |
| Risk Statements | 34-35-22-11-39/23/24/25-23/24/25-36/38-36/37-67-52/53 |
| Safety Statements | 7-16-36/37-45-36/37/39-26-61 |
| OEL | Ceiling: 2 mg/m3 |
| RIDADR | UN 2924 3/PG 2 |
| WGK Germany | 1 |
| RTECS | TT2100000 |
| F | 3 |
| Autoignition Temperature | 425 °C (ethanol) |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | II |
| HS Code | 28259090 |
| Hazardous Substances Data | 1310-58-3(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 1.23 g/kg (Smyth) |
Product Application of Potassium Hydroxide CAS#1310-58-3
Potassium hydroxide is used as an emulsifier in lotions and as an alkali in liquid soaps, protective creams, and shaving preparations. Depending on the concentration used, it can be highly irritating to the skin and/or cause a burning sensation. It is used in making potassium salts, in electroplatingand lithography, in printing inks, as a mordantfor wood, and finds wide applicationsin organic syntheses and chemical analyses.
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