Ammonium tungstate - PrimorTrace™, ≥99.99% metals basis , CAS No.11140-77-5

CAS: 11140-77-5 Cat. No.: A475152 Formula: (NH4)10H2(W2O7)6 Molecular Weight: 3059.6 EC Number: 628-957-5
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GRADE & PURITY PrimorTrace™ ? PrimorTrace™ — Aladdin's trace-metal-analysis line with ultra-low metal background. Use for ICP/AAS trace-metal work where contamination must be minimal. ≥99.99% metals basis
Synonyms
PUBCHEM_71306883 | Azane;5,7,9,11,13,15,17,19,21,23-decahydroxy-2,4,6,8,10,12,14,16,18,20,22,24,25,26,27,28,29,30,31-nonadecaoxa-1lambda6,3lambda6,5lambda6,7lambda6,9lambda6,11lambda6,13lambda6,15lambda6,17lambda6,19lambda6,21lambda6,23lambda6-dodecatungs
Storage
Room temperature
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Size
Germany (EU)
USA*
Price
Qty
1g
A475152-1g
—
3 In stock
€34.62
5g
A475152-5g
—
2 In stock
€130.07
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Why this grade

PrimorTrace™, ≥99.99% metals basis PrimorTrace™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 31 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Ammonium tungstate, also called ammonium paratungstate or APT is a white crystalline salt with a chemical formula either written (NH4)10H2(W2O7)6 or (NH4)10(H2W12O42). APT is extracted from tungsten ores and is the critical raw material for the production of tungsten metal. Additionally, it is employed in the manufacturing of catalysts, pigments, and specialty chemicals. Its applications extend to the electronics industry, where it is utilized in the production of electronic components and semiconductor materials due to its excellent thermal and electrical properties. It is also a key material in the field of energy storage, particularly in the development of advanced batteries and energy-efficient devices.

Product Application:

Ammonium Paratungstate is used as a source for high-purity tungsten oxides, tungsten metal powders, carbides, or as a laboratory reagent. Other applications are in the fields of absorbent gels, coloring agent in the porcelain industry, and the catalyst industry.

Specifications

Synonyms
PUBCHEM_71306883 | Azane;5,7,9,11,13,15,17,19,21,23-decahydroxy-2,4,6,8,10,12,14,16,18,20,22,24,25,26,27,28,29,30,31-nonadecaoxa-1lambda6,3lambda6,5lambda6,7lambda6,9lambda6,11lambda6,13lambda6,15lambda6,17lambda6,19lambda6,21lambda6,23lambda6-dodecatungs
Specifications & Purity
PrimorTrace™, ≥99.99% metals basis
Storage
Room temperature
Grade
PrimorTrace™
Purity
≥99.99% metals basis
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/504772022
Canonical Smiles
N.N.N.N.N.N.N.N.N.N.O[W]12(=O)O[W]3(O)(=O)O[W](O)(=O)(O3)O[W]4(O)(=O)O[W](O)(=O)(O4)O[W]5(O)(=O)O[W]6(=O)(O5)O[W]7(=O)(O[W](O)(=O)(O[W]8(O)(=O)O[W](O)(=O)(O[W](O)(=O)(O1)O2)O8)O7)O6
IUPAC Name
azane;5,7,9,11,13,15,17,19,21,23-decahydroxy-2,4,6,8,10,12,14,16,18,20,22,24,25,26,27,28,29,30,31-nonadecaoxa-1λ6,3λ6,5λ6,7λ6,9λ6,11λ6,13λ6,15λ6,17λ6,19λ6,21λ6,23λ6-dodecatungstaoctacyclo[21.1.1.11,3.13,5.17,9.111,13.115,17.119,21]hentriacontane 1,3,5,7,9,11,13,15,17,19,21,23-dodecaoxide
InChIKey
LMAJGSPZJYEENT-UHFFFAOYSA-D
INCHI
1S/10H3N.10H2O.31O.12W/h10*1H3;10*1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/q;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;10*+1/p-10
Isomeric SMILES
N.N.N.N.N.N.N.N.N.N.O[W]12(=O)O[W]3(=O)(O[W](=O)(O3)(O[W]4(=O)(O[W](=O)(O4)(O[W]5(=O)(O[W]6(=O)(O5)O[W]7(=O)(O6)O[W](=O)(O7)(O[W]8(=O)(O[W](=O)(O8)(O[W](=O)(O1)(O2)O)O)O)O)O)O)O)O)O
Molecular Weight
3059.6
Reaxy-Rn
14735991
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=14735991&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

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✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomInorganic compounds
SuperclassMixed metal/non-metal compounds
ClassTransition metal organides
SubclassTransition metal oxides
Intermediate Tree Nodes Not available
Direct ParentTransition metal oxides
Alternative Parents Metalloheterocyclic compounds  Inorganic salts  Inorganic oxides  
Molecular FrameworkNot available
Substituents Transition metal oxide - Metalloheterocycle - Inorganic oxide - Inorganic salt
DescriptionThis compound belongs to the class of inorganic compounds known as transition metal oxides. These are inorganic compounds containing an oxygen atom of an oxidation state of -2, in which the heaviest atom bonded to the oxygen is a transition metal.
External Descriptors Not available
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

17 results found

Lot NumberCertificate TypeDateItem
A2402316Certificate of AnalysisSep 22, 2026 A475152
A2402323Certificate of AnalysisSep 22, 2026 A475152
I2614255Certificate of AnalysisSep 05, 2026 A475152
I2614254Certificate of AnalysisSep 05, 2026 A475152
H2613058Certificate of AnalysisSep 11, 2025 A475152
I2519161Certificate of AnalysisSep 11, 2025 A475152
I2519162Certificate of AnalysisSep 11, 2025 A475152
G2531205Certificate of AnalysisMar 26, 2025 A475152
G2531220Certificate of AnalysisMar 26, 2025 A475152
E2520200Certificate of AnalysisMar 21, 2025 A475152
E2520238Certificate of AnalysisMar 21, 2025 A475152
L2409019Certificate of AnalysisNov 27, 2024 A475152
L2409018Certificate of AnalysisNov 27, 2024 A475152
A2513289Certificate of AnalysisNov 27, 2024 A475152
D2424110Certificate of AnalysisMar 20, 2024 A475152
A2402322Certificate of AnalysisDec 01, 2023 A475152
A2402321Certificate of AnalysisDec 01, 2023 A475152
Chemical and Physical Properties
SolubilitySoluble in warm water
Melt Point(°C)> 300 °C
Molecular Weight3042.400 g/mol
XLogP3
Hydrogen Bond Donor Count20
Hydrogen Bond Acceptor Count51
Rotatable Bond Count0
Exact Mass3041.55 Da
Monoisotopic Mass3043.55 Da
Topological Polar Surface Area593.000 Ų
Heavy Atom Count63
Formal Charge0
Complexity2660.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count11
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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