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Sigma-Aldrich

Ammonium tetrathiotungstate

≥99.9% trace metals basis

Synonym(s):

Ammonium tungsten sulfide ((NH4 )2 WS4 ), Bis(ammonium) tetrathiotungstate(2-) , Diammonium tetrathiotungstate, Diammonium tetrathiotungstate(2-)

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About This Item

Linear Formula:
(NH4)2WS4
CAS Number:
Molecular Weight:
348.18
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.23

Quality Level

assay

≥99.9% trace metals basis

form

crystalline

density

2.71 g/mL at 25 °C (lit.)

SMILES string

N.N.S[W](S)(=S)=S

InChI

1S/2H3N.2H2S.2S.W/h2*1H3;2*1H2;;;/q;;;;;;+2/p-2

InChI key

MZSROLOWPFQNGM-UHFFFAOYSA-L

Related Categories

Application

This classic building block for transition metal sulfide cluster compounds was recently used in a low-temperature, solid state synthesis of a new series of heterometallic sulfide clusters stabilized with dppm [bis(diphenylphosphino)methane] ligands.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


Certificates of Analysis (COA)

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J Mason et al.
Journal of inorganic biochemistry, 35(2), 115-126 (1989-02-01)
[185W]trithio- and tetrathiotungstates (0.5 mg W) were injected intravenously into sheep. The compounds circulated in plasma bound reversibly to plasma proteins, particularly to albumin. After the first few minutes, levels declined exponentially with a T 1/2 of 12-14 hr. The
B W Young et al.
Journal of inorganic biochemistry, 16(2), 121-134 (1982-04-01)
The effects of dietary supplementation with ammonium tetrathiotungstate and dithiotungstate on copper metabolism in young rats have been investigated. The addition of WS4(2-) (4-32 mg W/kg diet) decreased growth rates and induced clinical and biochemical signs of Cu deficiency. These
Guoqing Hou et al.
Translational research : the journal of laboratory and clinical medicine, 149(5), 260-264 (2007-05-01)
Tetrathiomolybdate (TM) is an anticopper drug under development for treating Wilson's disease. Its mechanism of action involves forming a tight tripartite complex in the blood with serum albumin and available copper. When available copper levels are lowered in animals with
Shu Min Tan et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 23(35), 8510-8519 (2017-04-28)
A multitude of research into the application of transition-metal dichalcogenides as earth-abundant hydrogen evolution reaction (HER) electrocatalysts has been conducted. However, current synthetic methods generally deploy environmentally harmful chemicals and energy-consuming reaction conditions, despite the primary intent to attain renewable
Won-Hee Ryu et al.
ACS nano, 10(3), 3257-3266 (2016-01-26)
Heterogeneous electrode materials with hierarchical architectures promise to enable considerable improvement in future energy storage devices. In this study, we report on a tailored synthetic strategy used to create heterogeneous tungsten sulfide/oxide core-shell nanofiber materials with vertically and randomly aligned

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