221473
Sigma-Aldrich

Potassium hydroxide

ACS reagent, ≥85%, pellets

zoom

1 of 1

Synonym

Caustic potash

Molecular Formula

KOH

Molecular Weight

56.11

CAS Number

1310-58-3

MDL number

MFCD00003553

PubChem Substance ID

24853244

EG/EC Number

215-181-3

Expand/Collapse All

Descriptions

Packaging

1, 2.5 kg in poly btl

12 kg in fiber drum

25, 500, 6×500 g in poly btl

12 kg packaged in open-head fiber drums; 25 g, 500 g, 1 kg, 2.5 kg, 6×500 g packaged in poly bottles

Properties

grade

ACS reagent

vapor pressure

1 mmHg ( 719 °C)

assay

≥85%

form

pellets

total impurities

≤0.001% N compounds

≤2.0% K₂CO₃

10-15% water

361 °C(lit.)

anion traces

chloride (Cl^-): ≤0.01%

phosphate (PO₄^-): ≤5 ppm

sulfate (SO₄^2-): ≤0.003%

cation traces

Ca: ≤0.005%

Fe: ≤0.001%

Mg: ≤0.002%

Na: ≤0.05%

Ni: ≤0.001%

heavy metals (as Pb): ≤0.001%

References

Merck

Merck 13,7724

Fieser

Fieser 1,935 / Fieser 2,346 / Fieser 3,238 / Fieser 4,409 / Fieser 5,557 / Fieser 6,486 / Fieser 7,303 / Fieser 8,415 / Fieser 9,387 / Fieser 11,439 / Fieser 12,411 / Fieser 13,258

reference

Aldrich MSDS 1, 1535:C / Corp MSDS 1 (2), 2904:D / RegBook 1 (3), 3363:D / Sax 6, 2277

Safety

Hazard Codes

Risk Statements

22-35

Safety Statements

26-36/37/39-45

RIDADR

UN1813 8/PG 2

WGK Germany

RTECS

TT2100000

Related Categories

... Acids & Bases > ACS Grade

... Synthetic Reagents > Inorganic Bases

... Adsorbents, Filter Aids and Drying Agents > Other Drying Agents

MSDS

Specification Sheet

Certificate of Analysis

Certificate of Origin

More Information