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Merck
CN

24-3890

Potassium

SAJ first grade

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About This Item

Empirical Formula (Hill Notation):
K
CAS Number:
7440-09-7
Molecular Weight:
39.10
UNSPSC Code:
12352300
PubChem Substance ID:
329752469
EC Number:
231-119-8
MDL number:
MFCD00133776

Key Documents

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SMILES string

[K]

InChI key

ZLMJMSJWJFRBEC-UHFFFAOYSA-N

InChI

1S/K

grade

SAJ first grade

vapor pressure

0.09 mmHg ( 260 °C)

reaction suitability

reagent type: reductant

availability

available only in Japan

resistivity

6.1 μΩ-cm, 20°C

bp

760 °C (lit.)

mp

64 °C (lit.)

density

0.86 g/mL at 25 °C (lit.)

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Application

Combines under pressure with silver metal to form 2 new compounds: K2Ag and K3Ag.†

pictograms

FlameCorrosion
GHS02,GHS05

signalword

Danger

hcodes

H260,H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B - Water-react 1

supp_hazards

EUH014

Storage Class

4.3 - Hazardous materials which set free flammable gases upon contact with water

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
A5632
A7357
A1139
U4546
A9356

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Glucose-insulin-potassium revived: current status in acute coronary syndromes and the energy-depleted heart.
Alexandra N Grossman et al.
Circulation, 127(9), 1040-1048 (2013-03-06)
Nicole Schmitt et al.
Physiological reviews, 94(2), 609-653 (2014-04-03)
About 10 distinct potassium channels in the heart are involved in shaping the action potential. Some of the K+ channels are primarily responsible for early repolarization, whereas others drive late repolarization and still others are open throughout the cardiac cycle.
Jordan E Bisanz et al.
Applied and environmental microbiology, 81(15), 4965-4975 (2015-05-17)
The nutritional status of pregnant women is vital for healthy outcomes and is a concern for a large proportion of the world's population. The role of the microbiota in pregnancy and nutrition is a promising new area of study with
David K Packham et al.
The New England journal of medicine, 372(3), 222-231 (2014-11-22)
Hyperkalemia (serum potassium level, >5.0 mmol per liter) is associated with increased mortality among patients with heart failure, chronic kidney disease, or diabetes. We investigated whether sodium zirconium cyclosilicate (ZS-9), a novel selective cation exchanger, could lower serum potassium levels
Mayumi Tada et al.
The European journal of neuroscience, 39(11), 1720-1728 (2014-01-11)
Calcium imaging of individual neurons is widely used for monitoring their activity in vitro and in vivo. Synthetic fluorescent calcium indicator dyes are commonly used, but the resulting calcium signals sometimes suffer from a low signal-to-noise ratio (SNR). Therefore, it
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