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Merck
CN

PX1490

Potassium hydroxide

Pellets

Synonym(s):

Caustic Potash, Caustic potash

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About This Item

Linear Formula:
KOH
CAS Number:
Molecular Weight:
56.11
UNSPSC Code:
12352305
EC Index Number:
215-181-3
MDL number:
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InChI

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

InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

vapor pressure

1 mmHg ( 719 °C)

assay

≥85.0%

form

pellets

pH

14 (20 °C, 56 g/L in H2O)

mp

361 °C (lit.)

solubility

1130 g/L

anion traces

carbonate (K2CO3): ≤3.5%

cation traces

heavy metals (as Pb): ≤0.003%

shipped in

ambient

storage temp.

room temp

Quality Level

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Application

Pellets

Analysis Note

Assay: 85% min
Color: White to off-white
Description: To pass test
Form: Pellets
Heavy metals (as Pb): 0.003% max
Identification: To pass test
Insoluble substances: To pass test
Potassium carbonate (K2CO3): 3.5% max
Solubility: To pass test

Storage Class

8B - Non-combustible corrosive hazardous materials

Regulatory Information

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