Tungsten Disulfide(WS2)
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Post Date:
Dec 17,2024
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Expiry Date:
Jun 15,2025
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Detailed Description:
Cas No. :12138-09-9
Tungsten Disulfide WS2
General Grades
- Typical values -
Chemical properties
WS2 > 99.9 %
W ca. 74.14 %
S (total) ca. 25.80 %
S (free) ca. 0.02 %
H2O ca. 0.04 %
Fe < 0.0002 %
Al < 0.0001 %
Cu < 0.0002 %
Mo < 0.0011 %
Si < 0.0002 %
Mg < 0.0002 %
Ca < 0.0002 %
Ni < 0.0001 %
C < 0.001 %
Physical properties
Grade 1 Grade 2 Grade Nano Grade 3-5 Micron
Spec. surface area m2/g ca. 4.6 ca. 3.03 Ca. 8.5064 Ca. 2.8972
F.S.S.S. (particle size) µm ca. 0.5 – 0.7 ca. 0.8 – 1.1 <0.0023 Ca. 3.4~5
Tamped density g/cm3 ca. 2.04 ca. 2.63 ---- ----
Bulk density g/cm3 ca. 0.44 ca. 0.8 Ca. 7.88 Ca.12.83
Grain size distribution
Grade 1 Grade 2 Grade Nano Grade 3-5 Micron
D 10 % µm ca. 0.41 – 1 ca. 1 – 3 ---- Ca. 5-8
D 50 % µm ca. 1 – 4 ca. 6 – 9 ---- Ca. 18-23
D 90 % µm ca. 4 – 8 ca. 14 – 17 ---- Ca.34-43
Mean diameter µm ca. 7 – 10 ca. 7 – 10 Ca. 0.08 Ca. 20-50
The above mentioned values are typical data which vary in accordance to tolerances in production. They only serve to describe the material and are no guaranteed properties.
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CAS Registry Number:
12138-09-9
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Synonyms:
;Tungsten sulfide (WS2);Tungsten disulphide;dithioxotungsten;tungsten(4+) disulfide;Tungsten disulfide;
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Molecular Formula:
S2W
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Molecular Weight:
247.97
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Molecular Structure:
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