H42N10O42W12
3060.5 g/mol
Industrial ChemicalWarning
Decaammonium tungstate
CAS11120-25-5EC234-364-9
Category
Industrial Chemical
Compound Class
Inorganic Salt
Primary Use
Tungsten alloy production
Decaammonium tungstate is an inorganic ammonium tungstate salt used in the production of tungsten alloys. It serves as a precursor in metal preparation and foundry applications.
Tungsten alloy productionMetal preparation and pouring (foundry)
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:EU REACH Restriction List
CAS 11120-25-5
Related Compounds
StrongStructure SimilarSimilarity 1.00
Ammonium tetrafluoroberyllate
CAS14874-86-3
industrial chemical raw material
StrongStructure SimilarSimilarity 1.00
Calcium ammonium nitrate
CAS15245-12-2
Soil amendment fertilizer
StrongStructure SimilarSimilarity 1.00
Ammonium fluorosilicate
CAS16919-19-0
insecticide, miticide, wood preservative
StrongStructure SimilarSimilarity 1.00
Ammonium hexafluorotitanate
CAS16962-40-6
fluorinating agent or precursor
ReferenceSame Category
Calcium zirconium oxide
CAS11129-15-0
ceramic and refractory material
ReferenceSame Category
Aluminium--silane (1/1)
CAS11145-27-0
hydride reagent and reducing agent
ReferenceSame Category
Trioctylamine
CAS1116-76-3
Extractant for metal processing and dye identification
ReferenceSame Category
1,3-butanediol diacetate
CAS1117-31-3
solvent and intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Regulatory Compliance1
- EU REACH Restriction ListEURegulationRestrictedSource
Customs Tariff Classification
The international HS code for Decaammonium tungstate (CAS 11120-25-5) is 2841.80.
HS code (international, 6-digit)
2841.80
EU CN code (8-digit)
2841 80 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
decaazanium;hexakis(dioxido(dioxo)tungsten);hydron;hexakis(trioxotungsten)
InChIKey
XAYGUHUYDMLJJV-UHFFFAOYSA-Z
SMILES
[H+].[H+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[O-][W](=O)(=O)[O-].[O-][W](=O)(=O)[O-].[O-][W](=O)(=O)[O-].[O-][W](=O)(=O)[O-].[O-][W](=O)(=O)[O-].[O-][W](=O)(=O)[O-].O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O
Synonyms (6)
- AMMONIUM PARATUNGSTATE
- Ammonium tungstate
- Decaammonium tungstate