Potassium hydroxide

ChemSpider ID: 14113
Molecular Formula: HKO
Average mass: 56.105598 Da
Monoisotopic mass: 55.966446 Da
Systematic name

Potassium hydroxide
SMILES and InChIs

SMILES:

[K+].[OH-] Copied

Std. InChI:

InChI=1S/K.H2O/h;1H2/q+1;/p-1 Copied

Std. InChIKey:

KWYUFKZDYYNOTN-UHFFFAOYSA-M Copied
Cite this record
CSID:14113, http://www.chemspider.com/Chemical-Structure.14113.html (accessed 00:29, Jun 20, 2013) Copied

Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Redirected by Users, Redirect Approved by Experts

215-181-3 [EINECS]

caustic potash

hydroxyde de potassium [French]

KOH [Formula]

potasse caustique [French]

Potassium hydroxide [Wiki] [JAN] [ACD/IUPAC Name]

Potassium hydroxide (JP15/NF) [NF] [JP15]

1310-58-3 [RN]

29857-72-5 [RN]

71769-53-4 [RN]

More...

Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Redirected by Users, Redirect Approved by Experts

00648_FLUKA [DBID]

00649_FLUKA [DBID]

00650_FLUKA [DBID]

03564_FLUKA [DBID]

06005_RIEDEL [DBID]

06103_RIEDEL [DBID]

221473_SIAL [DBID]

30603_RIEDEL [DBID]

30614_RIEDEL [DBID]

306568_SIAL [DBID]

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Properties

Experimental data
Predicted - ACD/Labs
Predicted - ChemAxon

Data supplied by datasources and users.

Experimental Physico-chemical Properties

Experimental Melting Point:

360 °C Alfa Aesar 44273, A18854, A16199, 13451

360 °C Oxford University Chemical Safety Data http://msds.chem.ox.ac.uk/PO/potassium_hydroxide.html

Experimental Boiling Point:

1320-1324 °C Alfa Aesar A18854, A16199, 44273, 13451

2415 F (1323.8889 °C) NIOSH TT2100000

1320 °C Oxford University Chemical Safety Data http://msds.chem.ox.ac.uk/PO/potassium_hydroxide.html

Experimental Flash Point:

Experimental Solubility:

Soluble in water, alcohol, and glycerol. Slightly soluble in ether Alfa Aesar 13451

Miscellaneous

Appearance:

Odorless, white or slightly yellow lumps, rods, flakes, sticks, or pellets. [Note: May be used as an aqueous solution.] NIOSH TT2100000

white crystals, flakes, sticks or pellets Oxford University Chemical Safety Data http://msds.chem.ox.ac.uk/PO/potassium_hydroxide.html

Stability:

Stable, but very hygroscopic. Dissolves exothermically in water. Incompatible with most metals, strong acids, acid chlorides, organic materials, zinc, aluminium, nitroalkanes, nitrobenzene, chlorine d ioxide. Reacts vigorouslywith a wide variety of other materials. Readily absorbs water and carbon dioxidefrom the air. Oxford University Chemical Safety Data http://msds.chem.ox.ac.uk/PO/potassium_hydroxide.html

Toxicity:

ORL-RAT LD50 365 mg kg-1 Oxford University Chemical Safety Data http://msds.chem.ox.ac.uk/PO/potassium_hydroxide.html

Safety:

CORROSIVE / HARMFUL Alfa Aesar A16199, A18854

DANGER: CORROSIVE, burns skin & eyes Alfa Aesar 35595

DANGER: CORROSIVE, burns skin and eyes Alfa Aesar 10979, 13451, 35592, 35615, 35621, 44273, 88601, 88602, 88604, A16199, A18854

DANGER: CORROSIVE, irritates skin & eyes Alfa Aesar 35595

DANGER: FLAMMABLE, CORROSIVE, burns skin and eyes Alfa Aesar 42734, 42735, 42736

Safety glasses, adequate ventilation. Oxford University Chemical Safety Data http://msds.chem.ox.ac.uk/PO/potassium_hydroxide.html

WARNING: Irritates skin and eyes Alfa Aesar 35599

First-Aid:

Eye: Irrigate immediately Skin: Water flush immediately Breathing: Respiratory support Swallow: Medical attention immediately NIOSH TT2100000

Exposure Routes:

inhalation, ingestion, skin and/or eye contact NIOSH TT2100000

Symptoms:

Irritation eyes, skin, respiratory system; cough, sneezing; eye, skin burns; vomiting, diarrhea NIOSH TT2100000

Target Organs:

Eyes, skin, respiratory system NIOSH TT2100000

Incompatibility:

Acids, water, metals (when wet), halogenated hydrocarbons, maleic anhydride [Note: Heat is generated if KOH comes in contact with H2O & CO2 from the air.] NIOSH TT2100000

Personal Protection:

Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: Daily Provide: Eyewash, Quick drench NIOSH TT2100000

Exposure Limits:

NIOSH REL : C 2 mg/m 3 OSHA PEL ?: none NIOSH TT2100000

Predicted data is generated using the ACD/Labs’ ACD/PhysChem Suite, for more information see their website.

ACD/LogP:	-1.38	# of Rule of 5 Violations:	0
ACD/LogD (pH 5.5):	-1.38	ACD/LogD (pH 7.4):	-1.38
ACD/BCF (pH 5.5):	1.00	ACD/BCF (pH 7.4):	1.00
ACD/KOC (pH 5.5):		ACD/KOC (pH 7.4):
#H bond acceptors:	1	#H bond donors:	2
#Freely Rotating Bonds:	0	Polar Surface Area:	20.23 Å²
Index of Refraction:		Molar Refractivity:	cm³
Molar Volume:	cm³	Polarizability:	10^-24cm³
Surface Tension:	dyne/cm	Density:	g/cm³
Flash Point:	°C	Enthalpy of Vaporization:	40.65 kJ/mol
Boiling Point:	100 °C at 760 mmHg	Vapour Pressure:	24.5 mmHg at 25°C

Click to predict properties on the Chemicalize site

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Potassium hydroxide

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Potassium hydroxide

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