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Merck
CN

30614

Potassium hydroxide

puriss. p.a., ACS reagent, reag. ISO, ≥85%, ≤0.002% Na, pellets

Synonym(s):

Caustic potash

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About This Item

Linear Formula:
KOH
CAS Number:
1310-58-3
Molecular Weight:
56.11
UNSPSC Code:
12352106
PubChem Substance ID:
24858479
EC Number:
215-181-3
MDL number:
MFCD00003553

Key Documents

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InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

InChI

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

grade

ACS reagent, puriss. p.a.

agency

reag. ISO

vapor pressure

1 mmHg ( 719 °C)

assay

≥85%

form

pellets

impurities

≤0.0003% total nitrogen (N), ≤0.002% Na, ≤1% K2CO3

mp

361 °C (lit.)

anion traces

chloride (Cl-): ≤5 mg/kg, phosphate (PO43-): ≤5 mg/kg, silicate (as SiO2): ≤20 mg/kg, sulfate (SO42-): ≤5 mg/kg

cation traces

Al: ≤2 mg/kg, Ca: ≤5 mg/kg, Cd: ≤0.1 mg/kg, Cu: ≤1 mg/kg, Fe: ≤5 mg/kg, Mn: ≤0.5 mg/kg, Na: ≤20 mg/kg, Ni: ≤1 mg/kg, Pb: ≤1 mg/kg, Zn: ≤1 mg/kg

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Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SZBA3190
SZBA3190V
SZBB1780
SZBB0620
SZBA3570

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Yuki Kawai et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 28(11), 1029-1031 (2012-11-15)
The tube radial distribution of solvents was observed in an aqueous ionic liquid mixed solution of 1-butyl-3-methylimidazolium chloride fed into a capillary tube. A phase diagram was constructed with 1-butyl-3-methylimidazolium chloride and potassium hydroxide, which included boundary curves between homogeneous
In-Seek Jeong et al.
Journal of food science, 77(10), C1042-C1046 (2012-09-18)
In this study, nonheated saponification was employed as a novel, rapid, and easy sample preparation method for the determination of cholesterol in emulsified foods. Cholesterol content was analyzed using gas chromatography with a flame ionization detector (GC-FID). The cholesterol extraction
Rui-Lin Liu et al.
The Analyst, 137(21), 5135-5143 (2012-09-13)
A rapid and practical microwave-assisted one-step extraction-derivatization (MAED) method was developed for gas chromatography-mass spectrometry analysis of fatty acids profile in herbal medicine. Several critical experimental parameters for MAED, including reaction temperature, microwave power and the amount of derivatization reagent
Rajat Sharma et al.
Applied biochemistry and biotechnology, 169(3), 761-772 (2013-01-01)
Chemical pretreatment of lignocellulosic biomass has been extensively investigated for sugar generation and subsequent fuel production. Alkaline pretreatment has emerged as one of the popular chemical pretreatment methods, but most attempts thus far have utilized NaOH for the pretreatment process.
Lesley C Homer et al.
Lab animal, 41(11), 327-335 (2012-10-20)
Alkaline hydrolysis-based tissue dissolvers (TDs) are commercially available tools for the digestion and decontamination of infectious animal waste. The authors carried out a series of experiments to verify whether the TD in their facility completely digested animal carcasses and inactivated
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