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Merck

510106

Tungsten

powder (monocrystalline), 0.6-1 μm, ≥99.9% trace metals basis

Synonym(s):

W

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About This Item

Empirical Formula (Hill Notation):
W
CAS Number:
Molecular Weight:
183.84
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12141747
EC Number:
231-143-9
MDL number:
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assay

≥99.9% trace metals basis

form

powder (monocrystalline)

reaction suitability

core: tungsten

resistivity

4.9 μΩ-cm, 20°C

particle size

0.6-1 μm

bp

5660 °C (lit.)

mp

3410 °C (lit.)

density

19.3 g/mL at 25 °C (lit.)

SMILES string

[W]

InChI

1S/W

InChI key

WFKWXMTUELFFGS-UHFFFAOYSA-N



pictograms

Flame

signalword

Danger

hcodes

Hazard Classifications

Flam. Sol. 1 - Self-heat. 2

Storage Class

4.2 - Pyrophoric and self-heating hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves, type P3 (EN 143) respirator cartridges


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Group 2: Flammable solids + Metal powder + Hazardous rank II + 1st combustible solid

fsl

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

510106-500G:4.548173942872E12

jan



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Articles

Permanent magnets are an essential technology for energy conversion. Motors and generators are used to convert energy between electrical and mechanical forms.


Weijie Zhao et al.
ACS nano, 7(1), 791-797 (2012-12-22)
Geometrical confinement effect in exfoliated sheets of layered materials leads to significant evolution of energy dispersion in mono- to few-layer thickness regime. Molybdenum disulfide (MoS(2)) was recently found to exhibit indirect-to-direct gap transition when the thickness is reduced to a
Michael L Crichton et al.
Biomaterials, 34(8), 2087-2097 (2012-12-25)
The recent emergence of micro-devices for vaccine delivery into upper layers of the skin holds potential for increased immune responses using physical means to target abundant immune cell populations. A challenge in doing this has been a limited understanding of
Karel Deprez et al.
Medical physics, 40(1), 012501-012501 (2013-01-10)
The construction of complex collimators with a high number of oblique pinholes is very labor intensive, expensive or is sometimes impossible with the current available techniques (drilling, milling or electric discharge machining). All these techniques are subtractive: one starts from