Caesium sulfate - ≥99.9% metals basis , CAS No.10294-54-9

CAS: 10294-54-9 Cat. No.: C105055 Molecular Weight: 361.89 EC Number: 233-662-6
AVAILABLE TO ORDER
GRADE & PURITY ≥99.9% metals basis
Synonyms
CESIUM SULFATE|10294-54-9|Dicesium sulfate|Sulfuric acid, dicesium salt|Caesium sulphate|dicesium;sulfate|MFCD00010959|8D6R91CS62|Sulfuric acid, cesium salt (1:2)|EINECS 233-662-6|UNII-8D6R91CS62|Cs2SO4|EC 233-662-6|CESIUM SULFATE [MI]|Cesium sulfate (99.
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
10g
C105055-10g
3
$22.90
50g
C105055-50g
3
$79.90
250g
C105055-250g
2
$322.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥99.9% metals basis for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal 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 20 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

A salt used to prepare dense aqueous solutions.

Specifications

Synonyms
CESIUM SULFATE | 10294-54-9 | Dicesium sulfate | Sulfuric acid, dicesium salt | Caesium sulphate | dicesium;sulfate | MFCD00010959 | 8D6R91CS62 | Sulfuric acid, cesium salt (1:2) | EINECS 233-662-6 | UNII-8D6R91CS62 | Cs2SO4 | EC 233-662-6 | CESIUM SULFATE [MI] | Cesium sulfate (99.
Specifications & Purity
≥99.9% metals basis
Biochemical and Physiological Mechanisms
Cesium sulfate is the cesium salt of sulfuric acid. It is used to prepare dense aqueous solutions for use in isopycnic centrifugation.
Storage
Room temperature
Shipped In
Normal
Purity
≥99.9% metals basis
Names and Identifiers
Canonical Smiles[O-]S(=O)(=O)[O-].[Cs+].[Cs+]
IUPAC Namedicesium;sulfate
InChIKeyFLJPGEWQYJVDPF-UHFFFAOYSA-L
INCHI1S/2Cs.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
Isomeric SMILES [O-]S(=O)(=O)[O-].[Cs+].[Cs+]
WGK Germany 2
RTECS FL0800000
Molecular Weight 361.89
Reaxy-Rn 13205135
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=13205135&ln=

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
ClassAlkali metal oxoanionic compounds
SubclassAlkali metal sulfates
Intermediate Tree Nodes Not available
Direct ParentAlkali metal sulfates
Alternative Parents Inorganic salts  Inorganic oxides  
Molecular FrameworkNot available
Substituents Alkali metal sulfate - Inorganic oxide - Inorganic salt
DescriptionThis compound belongs to the class of inorganic compounds known as alkali metal sulfates. These are inorganic compounds in which the largest oxoanion is sulfate, and in which the heaviest atom not in an oxoanion is an alkali metal.
External Descriptors Not available
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.

27 results found

Lot NumberCertificate TypeDateItem
A2608286Certificate of AnalysisJan 16, 2026 C105055
A2608238Certificate of AnalysisJan 16, 2026 C105055
L2510243Certificate of AnalysisDec 12, 2025 C105055
L2510242Certificate of AnalysisDec 12, 2025 C105055
L2510241Certificate of AnalysisDec 12, 2025 C105055
L2510229Certificate of AnalysisDec 12, 2025 C105055
B2521212Certificate of AnalysisFeb 26, 2025 C105055
B2521217Certificate of AnalysisFeb 26, 2025 C105055
B2521218Certificate of AnalysisFeb 26, 2025 C105055
I2410437Certificate of AnalysisSep 12, 2024 C105055
I2410436Certificate of AnalysisSep 12, 2024 C105055
I2410435Certificate of AnalysisSep 12, 2024 C105055
K2324061Certificate of AnalysisNov 29, 2023 C105055
J2318049Certificate of AnalysisOct 24, 2023 C105055
J2318310Certificate of AnalysisOct 24, 2023 C105055
G2402030Certificate of AnalysisMar 14, 2023 C105055
F2320010Certificate of AnalysisMar 14, 2023 C105055
C2304346Certificate of AnalysisMar 14, 2023 C105055
J2331020Certificate of AnalysisMar 14, 2023 C105055
K2323038Certificate of AnalysisMar 14, 2023 C105055
C2304335Certificate of AnalysisMar 14, 2023 C105055
C2304348Certificate of AnalysisMar 14, 2023 C105055
C2304347Certificate of AnalysisMar 14, 2023 C105055
G2222217Certificate of AnalysisAug 01, 2022 C105055
E2230022Certificate of AnalysisJun 08, 2022 C105055
G2222219Certificate of AnalysisOct 22, 2021 C105055
J2113532Certificate of AnalysisOct 22, 2021 C105055

Show more ⌵

Chemical and Physical Properties
SensitivityMoisture sensitive
Boil Point(°C)1900℃
Melt Point(°C)1019°C
Molecular Weight361.880 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Exact Mass361.763 Da
Monoisotopic Mass361.763 Da
Topological Polar Surface Area88.600 Ų
Heavy Atom Count7
Formal Charge0
Complexity62.200
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 Count3
Citations of This Product
References
1. Kong Kejian, Li An-Zhen, Wang Ye, Shi Qiujin, Li Jing, Ji Kaiyue, Duan Haohong.  (2023)  Electrochemical carbon–carbon coupling with enhanced activity and racemate stereoselectivity by microenvironment regulation.  Nature Communications,  14  (1): (1-12).  [PMID:37903827] [10.1038/s41467-023-42724-2]
2. Yanfei Fan, Ziyu Zhuang, Dandan Gao, Dongdong Li, Dewen Zeng.  (2023)  Revisiting the Solid–Liquid Phase Equilibrium of the Li2SO4 + Rb2SO4 + H2O and Li2SO4 + Cs2SO4 + H2O Systems.  JOURNAL OF CHEMICAL AND ENGINEERING DATA,      [PMID:] [10.1021/acs.jced.3c00434]
3. Jingxiao Liu, Dayi Yang, Fei Shi, Xiaoying Song, Guohao Cui, Huijun Sun, Chaofan Chen, Ziwei Tian, Meiyu Wang.  (2023)  In-situ synthesis of Pt-CsxWO3/SiO2 composite aerogel with synergistic effect of near-infrared shielding and low thermal conductivity for energy-saving window applications.  JOURNAL OF SOLID STATE CHEMISTRY,      [PMID:] [10.1016/j.jssc.2023.123909]
4. Dayi Yang, Jingxiao Liu, Fei Shi, Yi Li, Jiaxiang Wan, Xinyu Yuan, Ziwei Tian, Meiyu Wang, Chuangchuang Ma.  (2023)  One-step solvothermal synthesis of CsxWO3: Crystal growth regulation by halogen acids with generating oxygen vacancies and W5+ for improving transparent thermal insulation performance.  JOURNAL OF ALLOYS AND COMPOUNDS,      [PMID:] [10.1016/j.jallcom.2023.169119]
5. Hao Cui, Richen Zhong, Zimeng Li, Huan Chen, Chang Yu, Yanxia Li, Yifan Ling.  (2022)  The temperature dependence of Raman intensity of aqueous species (SO42− and H3PO40): Implication for in situ fluid composition investigation at elevated temperature.  CHEMICAL GEOLOGY,      [PMID:] [10.1016/j.chemgeo.2022.121261]
6. Huan Chen, Richen Zhong, Yuling Xie, Hao Cui, Chang Yu, Yifan Ling, Zimeng Li, Lamei Li.  (2021)  Solubility of K2SO4 in silica-saturated solutions and applications to determine the composition of ore-forming fluids.  CHEMICAL GEOLOGY,      [PMID:] [10.1016/j.chemgeo.2021.120387]
7. Yaoguo Shen, Xiaoling Xue, Wenyuan Tu, Zhiqun Liu, Renwen Yan, Hong Zhang, Junrong Jia.  (2020)  Synthesis, Crystal Structure, and Characterization of a Noncentrosymmetric Sulfate Cs2Ca2(SO4)3.  EUROPEAN JOURNAL OF INORGANIC CHEMISTRY,  2020  (10): (854-858).  [PMID:] [10.1002/ejic.202000025]
8. Hui Chen, Yuanhang Ge, Sunjie Ye, Zhifeng Zhu, Yingfeng Tu, Denteng Ge, Zhao Xu, Wei Chen, Xiaoming Yang.  (2020)  Water transport facilitated by carbon nanotubes enables a hygroresponsive actuator with negative hydrotaxis.  Nanoscale,  12  (10): (6104-6110).  [PMID:32129414] [10.1039/D0NR00932F]
9. Yanfei Fan, Dongdong Li, Dandan Gao, Dewen Zeng, Wu Li.  (2019)  Heat capacity of Rb2SO4(aq) and Cs2SO4(aq) solutions and thermodynamic modelling of (Rb2SO4 + H2O) and (Cs2SO4 + H2O) systems.  JOURNAL OF CHEMICAL THERMODYNAMICS,      [PMID:] [10.1016/j.jct.2019.106001]
10. Minglun Li, Bilin Zhuang, Yuyuan Lu, Zhen-Gang Wang, Lijia An.  (2017)  Accurate Determination of Ion Polarizabilities in Aqueous Solutions.  JOURNAL OF PHYSICAL CHEMISTRY B,      [PMID:28594180] [10.1021/acs.jpcb.7b04111]
11. Yanfei Fan, Dandan Gao, Dongdong Li, Dewen Zeng.  (2025)  Dissolution and recrystallization of alum to separate cesium, rubidium and potassium using their different precipitation kinetics to reach higher purity than solubility equilibria based purity of MAl(SO4)2 (M = Cs, Rb, K).  HYDROMETALLURGY,      [PMID:] [10.1016/j.hydromet.2025.106454]
12. Yi Wang, Zilong Zhang, Ze Wang, Yan Zuo, Haichuan Zhou, Dongya Sun, Yuechan Li, Yujie Yan, Tong Feng, An Xie.  (2025)  Self-seeded growth of hexagonal-phase WO3 film by a one-step hydrothermal method for high-performance electrochromic energy storage devices.  JOURNAL OF POWER SOURCES,      [PMID:] [10.1016/j.jpowsour.2025.236350]
13. Yanran Shang, Hongyuan Sha, Dongling Yang, Zhian Li, Zujian Wang, Chao He, Rongbing Su, Bin Su, Xiaoming Yang, Xifa Long.  (2024)  The design of a non-centrosymmetric structure in sulfates by cation-induced symmetry breaking.  Journal of Materials Chemistry C,      [PMID:] [10.1039/D4TC03433C]
14. Shaonan Zhang, Yuandong Yan, Qian Zheng, Shicheng Yan, Zhigang Zou.  (2025)  Alkali cations modulating electrostatic field of frustrated Lewis pairs for CO2 electroreduction in neutral medium.  APPLIED CATALYSIS B-ENVIRONMENTAL,      [PMID:] [10.1016/j.apcatb.2025.125503]
15. Chen Li, Hong Zhang, Siyao Gu, Wenlong Lu, Xinyu Chen, Liuliu Zhong, Mingjun Zheng, Hui Wan, Lei Wang, Guofeng Guan.  (2025)  The study of structure-property relationships of heteropolyacids regulated by cesium sources in selective oxidation with methacrolein.  CHEMICAL ENGINEERING RESEARCH & DESIGN,      [PMID:] [10.1016/j.cherd.2025.04.044]
16. Wei Shilei, Hua Hang, Zhao Yuxuan, Luo Jingshan.  (2025)  Porous membranes enable selective and stable zero-gap acidic CO2 electrolysers.  Nature Communications,  16  (1): (1-9).  [PMID:41120307] [10.1038/s41467-025-64342-w]
17. Luyong Zhang, Zhencheng Wu, Jingdong Yan, Shibin Wang, Zilong Chen, Zhihua Yang, Fangfang Zhang, Shilie Pan.  (2025)  Enhancement of Birefringence in Alkali Metal Sulfates Induced by Rare Earth Metal-Centered Polyhedra and Structure Regulation via Cations.  CHEMISTRY OF MATERIALS,      [PMID:] [10.1021/acs.chemmater.5c02373]
18. Jiale Xue, Shuyao Wang, Xiande Peng, Zhengyan Lin, Xuehua Dong, Liling Cao, Ling Huang, Guohong Zou.  (2025)  Dual Lone Pair Strategy for High Birefringence in Antimony(III)-Based Tellurite Sulfates with Short-Wave UV Transparency.  INORGANIC CHEMISTRY,      [PMID:39851143] [10.1021/acs.inorgchem.4c05312]
19. Shuchang Zhang, Meiqian Chen, Bingyang Li, Yuelong Pan, Linjun Yang.  (2025)  Thermal degradation of spent cation exchange resin with fixatives or metal ion catalysts: Insights from experiments, thermodynamics and kinetics.  THERMOCHIMICA ACTA,      [PMID:] [10.1016/j.tca.2025.180174]
20. Luyong Zhang, Jianyi Zuo, Guangsheng Xu, Jinbin Fan, Xue Bai, Zhihua Yang, Fangfang Zhang, Shilie Pan.  (2026)  Significant Enhancement of Birefringence Resulting from the Introduction of [BO2(OH)] Groups into Borosulfates.  CHEMISTRY OF MATERIALS,      [PMID:] [10.1021/acs.chemmater.5c03014]
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.