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244856

Sigma-Aldrich

Potassium

ingot, 99.95% trace metals basis

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About This Item

Empirical Formula (Hill Notation):
K
CAS Number:
7440-09-7
Molecular Weight:
39.10
EC Number:
231-119-8
MDL number:
MFCD00133776
UNSPSC Code:
12352000
PubChem Substance ID:
24854712
NACRES:
NA.23

vapor pressure

0.09 mmHg ( 260 °C)

assay

99.95% trace metals basis

form

ingot

reaction suitability

reagent type: reductant

resistivity

6.1 μΩ-cm, 20°C

bp

760 °C (lit.)

mp

64 °C (lit.)

density

0.86 g/mL at 25 °C (lit.)

SMILES string

[K]

InChI

1S/K

InChI key

ZLMJMSJWJFRBEC-UHFFFAOYSA-N

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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_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

Certificates of Analysis (COA)

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