Merck
CN
All Photos(2)

Documents

336734

Sigma-Aldrich

Ammonium tetrathiotungstate

≥99.9% trace metals basis

Sign Into View Organizational & Contract Pricing

Synonym(s):
Ammonium tungsten sulfide ((NH4 )2 WS4 ), Bis(ammonium) tetrathiotungstate(2-) , Diammonium tetrathiotungstate, Diammonium tetrathiotungstate(2-)
Linear Formula:
(NH4)2WS4
CAS Number:
Molecular Weight:
348.18
MDL number:
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

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

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
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
Lang, J-P. Tatsumi, K.
Inorganic Chemistry, 37, 6308-6308 (1998)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service