Potassium gold(III) chloride - ≥99.995% metals basis , CAS No.13682-61-6

CAS: 13682-61-6 Cat. No.: P431995 Molecular Weight: 377.88 EC Number: 237-190-1 PubChem CID: 11337898
AVAILABLE TO ORDER
GRADE & PURITY ≥99.995% metals basis
Synonyms
potassium;tetrachlorogold(1-) | Gold pound cento pound(c)potassium chloride | potassium tetrachloridoaurate(1-) | Potassium tetrachloroaurate(III) | C72475 | FT-0764974 | Potassium gold(III) chloride | Potassium gold(III) chloride, 98% | K[AuCl4] | Aurat
Storage
Room temperature
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
P431995-50mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$95.90
250mg
P431995-250mg
3
$367.90
1g
P431995-1g
3
$947.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥99.995% metals basis for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

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.

📚

Literature proof

Cited in 7 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

The yellow crystals of potassium gold chloride are soluble in water. 1,2


Application

Key raw material for synthesis of new gold(III) dithiolate complexes for luminescence studies or possible uses as photosensitizers or photocatalysts.1

Specifications

Synonyms
potassium;tetrachlorogold(1-) | Gold pound cento pound(c)potassium chloride | potassium tetrachloridoaurate(1-) | Potassium tetrachloroaurate(III) | C72475 | FT-0764974 | Potassium gold(III) chloride | Potassium gold(III) chloride, 98% | K[AuCl4] | Aurat
Specifications & Purity
≥99.995% metals basis
Storage
Room temperature
Purity
≥99.995% metals basis
Names and Identifiers
Pubchem Sid504766310
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504766310
Canonical SmilesCl[Au-](Cl)(Cl)Cl.[K+]
IUPAC Namepotassium;tetrachlorogold(1-)
InChIKeyJMONCQYBAMKVQQ-UHFFFAOYSA-J
INCHI1S/Au.4ClH.K/h;4*1H;/q+3;;;;;+1/p-4
Isomeric SMILES Cl[Au-](Cl)(Cl)Cl.[K+]
WGK Germany 3
PubChem CID 11337898
Molecular Weight 377.88

Documentation

📋 Safety Data Sheet (SDS)

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

Download SDS →

✅ Certificate of Analysis (COA)

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

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomInorganic compounds
SuperclassMixed metal/non-metal compounds
ClassTransition metal salts
SubclassTransition metal chlorides
Intermediate Tree Nodes Not available
Direct ParentTransition metal chlorides
Alternative Parents Inorganic chloride salts  
Molecular FrameworkNot available
Substituents Transition metal chloride - Inorganic chloride salt - Inorganic salt
DescriptionThis compound belongs to the class of inorganic compounds known as transition metal chlorides. These are inorganic compounds in which the largest halogen atom is Chlorine, and the heaviest metal atom is a transition metal.
External Descriptors perchlorometallate salt
3D Structure
Interactive Chemical Structure Model





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.

2 results found

Lot NumberCertificate TypeDateItem
A2404012Certificate of AnalysisJan 10, 2024 P431995
A2404029Certificate of AnalysisJan 09, 2024 P431995
Chemical and Physical Properties
SolubilityH2O: soluble; alcohol: soluble; ethanol: soluble
Melt Point(°C)300°C
Molecular Weight377.900 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count0
Exact Mass377.803 Da
Monoisotopic Mass375.806 Da
Topological Polar Surface Area0.000 Ų
Heavy Atom Count6
Formal Charge0
Complexity19.100
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 Count2
Citations of This Product
References
1. Ying Wu, Qing Yu Liu, Zhen Qi Bu, Min Xia Quan, Jie Zhou, Zhi Xin Xie, Jiao Yang Lu, Wei Tao Huang.  (2023)  Colorimetric/Fluorescent Sensing of Metal Ions and Advanced Molecular Information Safety Based on Fish Scale-Derived Carbon–Gold Nanocomposites.  ACS Applied Nano Materials,      [PMID:] [10.1021/acsanm.3c02707]
2. Yanju Chen, Chao Feng, Wenhong Wang, Zhi Liu, Junxi Li, Chenguang Liu, Yuan Pan, Yunqi Liu.  (2022)  Electronic structure engineering of bimetallic Pd-Au alloy nanocatalysts for improving electrocatalytic hydrodechlorination performance.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2022.120731]
3. Zhen Zhang, Xiaoling Cui, Wei Yuan, Qihao Yang, Huarong Liu, Hangxun Xu, Hai-Long Jiang.  (2017)  Encapsulating surface-clean metal nanoparticles inside metal–organic frameworks for enhanced catalysis using a novel γ-ray radiation approach.  Inorganic Chemistry Frontiers,  (1): (29-38).  [PMID:] [10.1039/C7QI00577F]
4. Lu Jiao Yang, Xie Zhi Xin, Zhou Jie, Wu Meng Yao, Tian Yu Qing, Fu Tian Tian, Wang Dong Hua, He Bin Sheng, Huang Wei Tao.  (2025)  Multifunctional antimonene-gold nanocomposites for fluorescence sensing of exosomes and metal ions, molecular information encoding and protection.  Advanced Composites and Hybrid Materials,  (4): (1-19).  [PMID:] [10.1007/s42114-025-01334-w]
5. Ying Wu, Min Xia Quan, Qing Yu Liu, Zhen Qi Bu, Jie Zhou, Zhi Xin Xie, Jiao Yang Lu, Wei Tao Huang.  (2024)  Six-channel colorimetric sensing of metal ions and advanced molecular information security based on fish scale-derived carbon–gold–silver nanocomposites.  Materials Today Chemistry,      [PMID:] [10.1016/j.mtchem.2024.102220]
6. Xishun Peng, Zhongchen Bai, Caizhen Zu, Yuxue He, Qi Zhao.  (2025)  A flexible dual-mode EC-SERS sensor of SPE/RGO/Au@Ag film for sensitively detecting thiram residues on fruit peels.  FOOD CONTROL,      [PMID:] [10.1016/j.foodcont.2025.111820]
7. Liu Di, Bai Haoyun, Chen Mingpeng, Peng Shuyang, Kang Jiaqian, Li Lun, Feng Ziwen, Liu Chunfa, Ip Weng Fai, Pan Hui.  (2026)  Unravelling the Ru-promoted dynamic evolution of Cobalt hydroxide during nitrate reduction towards ammonia production.  Nature Communications,      [PMID:] [10.1038/s41467-026-70531-y]
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