Gold - ≥99.95% metals basis, powder,mean particle size (fsss) <2 micron,weight 1 g,purity 99.95% , CAS No.7440-57-5

CAS: 7440-57-5 Cat. No.: G434761 Molecular Weight: 196.97 EC Number: 231-165-9 PubChem CID: 23985
AVAILABLE TO ORDER
GRADE & PURITY ≥99.95% metals basis powder,mean particle size (fsss) <2 micron,weight 1 g,purity 99.95%
Synonyms
CI 77480 | Gold Dispersion | Gold, foil, thickness 0.025 mm, size 50 x 50 mm, purity 99.95% | UNII-79Y1949PYO | gold atom | Gold flake | Gold, wire, 0.025 mm diameter, length 10 m, purity 99.99+% | Gold, elemental | Gold, foil, thickness 0.015 mm, size 50
Storage
Room temperature
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1EA
G434761-1EA
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$1,325.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥99.95% metals basis, powder,mean particle size (fsss) <2 micron,weight 1 g,purity 99.95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

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

📋

Quality documents

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

📚

Literature proof

Cited in 25 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

General Description

For updated SDS information please visit www.goodfellow.com

Specifications

Synonyms
CI 77480 | Gold Dispersion | Gold, foil, thickness 0.025 mm, size 50 x 50 mm, purity 99.95% | UNII-79Y1949PYO | gold atom | Gold flake | Gold, wire, 0.025 mm diameter, length 10 m, purity 99.99+% | Gold, elemental | Gold, foil, thickness 0.015 mm, size 50
Specifications & Purity
≥99.95% metals basis, powder, mean particle size (fsss) <2 micron, weight 1 g, purity 99.95%
Legal Information
Product of Goodfellow
Storage
Room temperature
Purity
≥99.95% metals basis
Names and Identifiers
Canonical Smiles[Au]
IUPAC Namegold
InChIKeyPCHJSUWPFVWCPO-UHFFFAOYSA-N
INCHI1S/Au
Isomeric SMILES [Au]
PubChem CID 23985
Molecular Weight 196.97

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
SuperclassHomogeneous metal compounds
ClassHomogeneous transition metal compounds
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentHomogeneous transition metal compounds
Alternative Parents Not available
Molecular FrameworkNot available
Substituents Homogeneous transition metal
DescriptionThis compound belongs to the class of inorganic compounds known as homogeneous transition metal compounds. These are inorganic compounds containing only metal atoms,with the largest atom being a transition metal atom.
External Descriptors elemental gold
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Chemical and Physical Properties
Boil Point(°C)2808°C
Melt Point(°C)1063°C
Molecular Weight196.966 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count0
Rotatable Bond Count0
Exact Mass196.967 Da
Monoisotopic Mass196.967 Da
Topological Polar Surface Area0.000 Ų
Heavy Atom Count1
Formal Charge0
Complexity0.000
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 Count1
Documents & Articles
Citations of This Product
References
1. Jun Wang, Jiawen Han, Juan Wang, Xujuan Lv, Daoqing Fan, Shaojun Dong.  (2023)  A cost-effective, “mix & act” G-quadruplex/Cu (II) metal-nanozyme-based ratiometric fluorescent platform for highly sensitive and selective cysteine/bleomycin detection and multilevel contrary logic computing.  BIOSENSORS & BIOELECTRONICS,      [PMID:37924655] [10.1016/j.bios.2023.115801]
2. Jinyao Zhong, Haitao Xu, Junwei Zhao, Fuhao Gao, Jinxin Zhou, Yongbing Long.  (2023)  Magnesium fluoride microcavity-based non-fullerene semitransparent organic solar cells with high peak transmittance and low efficiency loss rate.  ORGANIC ELECTRONICS,      [PMID:] [10.1016/j.orgel.2023.106864]
3. Zhujuan Li, Shuliang Chen, Futing Zi, Xianzhi Hu, Yunlong Chen.  (2023)  Aminophosphonic acid derivatized polyacrylonitrile fiber for rapid adsorption of Au(S2O3)23– from thiosulfate solution.  Arabian Journal of Chemistry,      [PMID:] [10.1016/j.arabjc.2023.105009]
4. Shuhan Hou, Inseob Noh, Xinlu Shi, Yanbin Wang, Hyung Do Kim, Hideo Ohkita, Biaobing Wang.  (2023)  Facile fabrication of flexible superhydrophobic surfaces with high durability and good mechanical strength through embedding silica nanoparticle into polymer substrate by spraying method.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2023.131181]
5. Bolin Wang, Yuxue Yue, Yuliang Li, Lu Yu, Hong Tang, Haifeng Zhang, Feng Feng.  (2023)  Noble Metals Dissolution Catalyzed by [AlCl4–]-Based Ionic Liquids.  ACS Omega,      [PMID:36910984] [10.1021/acsomega.2c07064]
6. Pengcheng Li, Shujuan Dai, Xiaoan Li, Wenhan Sun, Shujie Liu.  (2022)  Study of the effect of high-temperature activation of quartz on the adsorption of gold cyanide.  JOURNAL OF MOLECULAR LIQUIDS,      [PMID:] [10.1016/j.molliq.2022.119569]
7. Xiao-fang Ma, Qi Zhao, Yan Cheng, Dong-Mei Yan, Wei-Feng Zhu, Fei Li.  (2021)  Metabolomics reveals the role of isopentenyl group in coumarins metabolism.  BIOMEDICAL CHROMATOGRAPHY,  36  (1): (e5239).  [PMID:34494281] [10.1002/bmc.5239]
8. Feng Feng, Jiamei Liu, Mingxing Zhao, Lu Yu, Haixin Wang, Chunshan Lu, Qunfeng Zhang, Jia Zhao, Yanxia Sun, Jie Cen, Xiaonian Li.  (2021)  Study of an Environmentally Friendly Method for the Dissolution of Precious Metal with Ionic Liquid and Iodoalkane.  Metals,  11  (6): (919).  [PMID:] [10.3390/met11060919]
9. Jinyao Zhong, Zheng Xiao, Wenyue Liang, Yifei Wu, Qiaojue Ye, Haitao Xu, Haidong Deng, Liang Shen, Xiliang Feng, Yongbing Long.  (2019)  Highly Efficient and High Peak Transmittance Colorful Semitransparent Organic Solar Cells with Hybrid-Electrode-Mirror Microcavity Structure.  ACS Applied Materials & Interfaces,      [PMID:31789018] [10.1021/acsami.9b19174]
10. Si Chen, Zhinan Guo, David K. Sang, Huide Wang, Yanhua Xu, Siying Tang, Qian Luo, Rui Cao, Xiaolei Wang, Ling Zhang, Jianghai Liao, Han Zhang, Xue-Feng Yu, Bing Zhao, Dianyuan Fan.  (2018)  Gold-patterned microarray chips for ultrasensitive surface-enhanced Raman scattering detection of ultratrace samples.  JOURNAL OF RAMAN SPECTROSCOPY,  50  (1): (26-33).  [PMID:] [10.1002/jrs.5506]
11. Rong Wang, Shengxia Zhang, Yun Su, Junxia Liu, Ye Ying, Feng Wang, Xiaowei Cao.  (2017)  Semi-solid state electrochromic device based on deep eutectic solvent gel electrolyte and transparent Au modified FTO electrode.  ELECTROCHIMICA ACTA,      [PMID:] [10.1016/j.electacta.2017.11.052]
12. Gang Lu, Peng Zhang, Dongqing Sun, Lei Wang, Kebin Zhou, Zhi-Xiang Wang, Guo-Cong Guo.  (2013)  Gold catalyzed hydrogenations of small imines and nitriles: enhanced reactivity of Au surface toward H2via collaboration with a Lewis base.  Chemical Science,  (3): (1082-1090).  [PMID:] [10.1039/C3SC52851K]
13. Shi Peng, Qiang Zheng, Xin Zhang, Linghui Dai, Jingxian Zhu, Yanbin Pi, Xiaoqing Hu, Wenqing Cheng, Chunyan Zhou, Yinlin Sha, Yingfang Ao.  (2013)  Detection of ADAMTS-4 Activity Using a Fluorogenic Peptide-Conjugated Au Nanoparticle Probe in Human Knee Synovial Fluid.  ACS Applied Materials & Interfaces,      [PMID:23716507] [10.1021/am400854z]
14. Yijing Kuang, Wei Yuan, Xuyuan Chen, Xiaoning Wang, Xiaoying Wang.  (2025)  A dual-mode immunosensor for detection of oncoprotein c-Myc via indirect competition using trimetallic nanocomposite as an excellent label.  ANALYTICA CHIMICA ACTA,      [PMID:39984205] [10.1016/j.aca.2025.343724]
15. Heng Yang, Mingjun Ma, Yongfeng Pei, Yufan Kang, Jialu Yan, Dong He, Changzhong Jiang, Wenqing Li, Xiangheng Xiao.  (2024)  Lewis acid-doped transition metal dichalcogenides for ultraviolet–visible photodetectors.  Chinese Physics B,  33  (9): (098501).  [PMID:] [10.1088/1674-1056/ad597f]
16. Xia Niu, Wen-Yuan Pei, Jian-Fang Ma.  (2024)  Medium entropy FeCoNi nanoalloy supported on reduced graphene oxide for efficient electrochemical detection of roxarsone in food samples.  FOOD CHEMISTRY,      [PMID:38824727] [10.1016/j.foodchem.2024.139918]
17. Shengxi Zhai, Mengyuan Bai, Fengling Yue, Haifang Wang, Jingcheng Huang, Haowei Dong, Bei Yuan, Zhengtao Li, Pengwei Zhang, Mingxin Zhao, Yemin Guo, Xia Sun, WenPing Zhao.  (2024)  Strip biosensors based on broad-spectrum aptamers and cationic polymers for the on-site rapid detection of tetracycline antibiotics residues in milk.  FOOD CHEMISTRY,      [PMID:39467503] [10.1016/j.foodchem.2024.141743]
18. Rui Zhou, Dong-Jie Cui, Qi Zhao, Kai-Kai Liu, Wen-Bo Zhao, Qian Liu, Ruo-Nan Ma, Zhen Jiao, Lin Dong, Chong-Xin Shan.  (2022)  Effective control of microbial spoilage in soybeans by water-soluble ZnO nanoparticles.  FOOD CHEMISTRY,      [PMID:35460964] [10.1016/j.foodchem.2022.132994]
19. Youbing Li, Shuairu Zhu, Jia-Bo Le, Jun Lu, Xue Wang, Lu Chen, Haoming Ding, Ke Chen, Mian Li, Shiyu Du, Hui Wang, Runnan Zhang, Per O.Å. Persson, Lars Hultman, Per Eklund, Yongbo Kuang, Zhifang Chai, Qing Huang.  (2024)  A-site alloying-guided universal design of noble metal-based MAX phases.  Matter,      [PMID:] [10.1016/j.matt.2023.12.006]
20. Jian-cheng Hu, Peng Wen, Yu Wang, Jin-yi Yang, Zhi-li Xiao, Zhen-lin Xu, Yu-dong Shen, Hong Wang, Bruce D. Hammock.  (2024)  Fabrication of a label-free electrochemical immunosensor by functionalized nanofiber membrane for the ultrasensitive detection of quinalphos.  FOOD CONTROL,      [PMID:] [10.1016/j.foodcont.2024.110423]
21. Binbin Chu, Zhiming Chen, Xiaofeng Wu, Haoliang Shi, Xiangbowen Jin, Bin Song, Mingyue Cui, Yadan Zhao, Yingying Zhao, Yao He, Houyu Wang, Fenglin Dong.  (2024)  Photoactivated Gas-Generating Nanocontrast Agents for Long-Term Ultrasonic Imaging-Guided Combined Therapy of Tumors.  ACS Nano,      [PMID:38847586] [10.1021/acsnano.4c01041]
22. Yanpei Xu, Silong Li, Shuxian Gao, Fudong Jia, Liang Guo, Jiangrong Hou, Shaowei Ma, Heya Zheng, Chuxiao Sun, Qi Wang.  (2025)  Ni(OH)2/MXene-decorated plasmonic interface with dual signal enhancement for sensitive PSA immunoassay in serum.  SENSORS AND ACTUATORS B-CHEMICAL,      [PMID:] [10.1016/j.snb.2025.138797]
23. Ling Cen, Yu He, Qingyou Liu, Linli Xu, Yanxiang Yuan.  (2025)  Hot-pressing synthesis and first-principles investigation of Au-bearing arsenopyrite.  JOURNAL OF ALLOYS AND COMPOUNDS,      [PMID:] [10.1016/j.jallcom.2025.181787]
24. Wenhui Zhou, Boxu Dong, Shan Zhu, Fengxiang Ma, Ziqi Si, Likui Feng, Liang Zhang, Yue Zhao, Jiantao Zai, Xuefeng Qian.  (2025)  Mo2C-bridged MoOx/N-doped carbon heterojunctions for efficient photodegradation of sulfur hexafluoride.  Journal of Environmental Chemical Engineering,      [PMID:] [10.1016/j.jece.2025.119993]
25. Jingkai Wang, Jiangjie Chen, Jinyang Chen, Kaishun Xia, Pengcheng Yuan, Xiaopeng Zhou, Ronghao Wang, Chao Yu, Yi Li, Kesi Shi, Yuang Zhang, Haibin Xu, Tengfei Zhao, Hao Li, Qixin Chen, Shiqing Feng, Chengzhen Liang.  (2025)  Central Nervous System Targeting Nanovesicles for Trans-Barrier Delivery and Spinal Cord Injury Treatment.  ACS Nano,      [PMID:41420148] [10.1021/acsnano.5c08255]
Solution Calculators
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.