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Merck

357421

Tungsten

powder, ≤10 μm, ≥99.99% 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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Quality Segment

assay

≥99.99% trace metals basis

form

powder

reaction suitability

core: tungsten

resistivity

4.9 μΩ-cm, 20°C

particle size

≤10 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

Warning

hcodes

Hazard Classifications

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

357421-10G:4.548173938592E12

jan



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