Aluminum potassium sulfate dodecahydrate - UltraBio™, Ultra pure, ≥98% , CAS No.7784-24-9

CAS: 7784-24-9 Cat. No.: A434084 Molecular Weight: 474.39 EC Number: 616-521-7

GRADE & PURITY UltraBio™, Ultra pure, ≥98%

Synonyms

Alum, potassium (USP) | Aluminium potassium sulfate dodecahydrate | Aluminum potassiun sulfate dodecahydrate | Aluminumpotassiumsulfatedodecahydrate | ALUMINIUM POTASSIUM SULFATE (1:1:2) DODECAHYDRATE | MFCD00149143 | Alum, potassium, dodecahydrate | CHEB

Storage

Store at 2-8°C,Desiccated

Shipped In

Wet ice

Specifications

Synonyms

Alum, potassium (USP) | Aluminium potassium sulfate dodecahydrate | Aluminum potassiun sulfate dodecahydrate | Aluminumpotassiumsulfatedodecahydrate | ALUMINIUM POTASSIUM SULFATE (1:1:2) DODECAHYDRATE | MFCD00149143 | Alum, potassium, dodecahydrate | CHEB

Specifications & Purity

UltraBio™, Ultra pure, ≥98%

Storage

Store at 2-8°C, Desiccated

Shipped In

Wet ice

This product requires cold chain shipping. Ground and other economy services are not available.

Grade

Ultra pure, UltraBio™

Purity

≥98%

Names and Identifiers

• Canonical Smiles: O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Al+3].[K+]
• IUPAC Name: aluminum;potassium;disulfate;dodecahydrate
• InChIKey: GNHOJBNSNUXZQA-UHFFFAOYSA-J
• INCHI: 1S/Al.K.2H2O4S.12H2O/c;;2*1-5(2,3)4;;;;;;;;;;;;/h;;2*(H2,1,2,3,4);12*1H2/q+3;+1;;;;;;;;;;;;;;/p-4
• Isomeric SMILES: O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Al+3].[K+]
• WGK Germany: 3
• RTECS: WS5690000
• Alternate CAS: 10043-67-1
• Molecular Weight: 474.39
• Reaxy-Rn: 14851666
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=14851666&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Inorganic compounds
  • Superclass Mixed metal/non-metal compounds
    • Class Post-transition metal oxoanionic compounds
      • Subclass Post-transition metal sulfates

• Kingdom: Inorganic compounds
• Superclass: Mixed metal/non-metal compounds
• Class: Post-transition metal oxoanionic compounds
• Subclass: Post-transition metal sulfates
• Intermediate Tree Nodes: Not available
• Direct Parent: Post-transition metal sulfates
• Alternative Parents: Post-transition metal salts Inorganic salts Inorganic oxides
• Molecular Framework: Not available
• Substituents: Post-transition metal sulfate - Inorganic post-transition metal salt - Inorganic oxide - Inorganic salt
• Description: This compound belongs to the class of inorganic compounds known as post-transition metal sulfates. These are inorganic compounds in which the largest oxoanion is sulfate, and in which the heaviest atom not in an oxoanion is a post-transition metal.
• External Descriptors: potassium salt - hydrate - metal sulfate - aluminium salt

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Solubility: H2O: 0.5M, clear, colorless
• Sensitivity: Moisture & Heat sensitive
• Melt Point(°C): 92.5°C
• Molecular Weight: 474.400 g/mol
• Hydrogen Bond Donor Count: 12
• Hydrogen Bond Acceptor Count: 20
• Rotatable Bond Count: 0
• Exact Mass: 473.975 Da
• Monoisotopic Mass: 473.975 Da
• Topological Polar Surface Area: 189.000 Ų
• Heavy Atom Count: 24
• Formal Charge: 0
• Complexity: 62.200
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 16

XLogP3

References

1. Xiaoqian Feng, Yilin Zhao, Shenghua Liu, Kun Wang, Baoshan Liu, Qijian Zhang, Huan Wang, Yonghua Zhao, Jing Liu, Peng Zhang, Lian Gao.  (2023)  Flower-like hollow Ni0.5/xMgO-Al2O3 catalysts with excellent stability for dry reforming of methane: The role of Mg addition.  FUEL,      [PMID:] [10.1016/j.fuel.2023.130029]

2. Ye Jiang, Xiaochan Wang, Guo Zhao, Yinyan Shi, Yao Wu.  (2023)  In-situ SERS detection of quinolone antibiotic residues in aquaculture water by multifunctional Fe3O4@mTiO2@Ag nanoparticles.  SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,      [PMID:37385202] [10.1016/j.saa.2023.123056]

3. Liangyong Wang, Yaolong Zhu, Chenyang Gan.  (2023)  Nonlinear model predictive control of crystal size in batch cooling crystallization processes.  JOURNAL OF PROCESS CONTROL,      [PMID:] [10.1016/j.jprocont.2023.103020]

4. Huijuan Ma, Qi Shu, Peiyao Wang, Ruilin Qin, Sijia Li, Huan Xu.  (2023)  Formaldehyde exacerbates asthma in mice through the potentiation of HIF-1α-mediated pro-inflammatory responses in pulmonary macrophages.  CHEMICO-BIOLOGICAL INTERACTIONS,      [PMID:37105513] [10.1016/j.cbi.2023.110514]

5. Ying Cheng, Chen Chen, Fang Wang, Zilin Chen.  (2023)  A highly sensitive signal-on biosensor based on restriction enzyme-mediated molecular switch for detection of TET1.  BIOELECTROCHEMISTRY,      [PMID:37031472] [10.1016/j.bioelechem.2023.108433]

6. Honglong Xing, Zeng Chen, Ping Fan, Zichen Liu, Ping Yang, Xiaoli Ji.  (2023)  Polyindole-Derived Nitrogen-Doped Carbon Nanosphere/Al2O3 Composites with High-Performance Microwave Absorption.  ACS Applied Electronic Materials,      [PMID:] [10.1021/acsaelm.2c01625]

7. Liangyong Wang, Yaolong Zhu.  (2022)  Neural-Network-Based Nonlinear Model Predictive Control of Multiscale Crystallization Process.  Processes,  10  (11): (2374).  [PMID:] [10.3390/pr10112374]

8. Chenyang Gan, Liangyong Wang, Shunkai Xiao, Yaolong Zhu.  (2022)  Feedback Control of Crystal Size Distribution for Cooling Batch Crystallization Using Deep Learning-Based Image Analysis.  Crystals,  12  (5): (570).  [PMID:] [10.3390/cryst12050570]

9. Cui-Mei Liu, Hong-Yuan He, Lin Xu, Zhen-Dong Hua.  (2020)  New qualitative analysis strategy for illicit drugs using Raman spectroscopy and characteristic peaks method.  Drug Testing and Analysis,  13  (3): (720-728).  [PMID:33142047] [10.1002/dta.2963]

10. Ai-hong Guan, Yong-yang Chao.  (2019)  Quantitative analysis of alum based on Terahertz time-domain spectroscopy technology and Support vector machine.  OPTIK,      [PMID:] [10.1016/j.ijleo.2019.163017]

11. Liang Huiyi, Peng Bo, Dong Cong, Liu Lixin, Mao Jiaji, Wei Song, Wang Xinlu, Xu Hanshi, Shen Jun, Mao Hai-Quan, Gao Xiaohu, Leong Kam W., Chen Yongming.  (2018)  Cationic nanoparticle as an inhibitor of cell-free DNA-induced inflammation.  Nature Communications,  9  (1): (1-14).  [PMID:30327464] [10.1038/s41467-018-06603-5]

12. Qian Li, Zhen Zeng, Lei Huang, Sijie Zhao, Jia Yan, Xiaoyu Zhao, Zhenxin Chen, Hongguo Zhang.  (2024)  Depth analysis of the mechanism for fluoride removal by adsorption of schwertmannite: Experiments and theoretical calculations.  JOURNAL OF MOLECULAR LIQUIDS,      [PMID:] [10.1016/j.molliq.2024.124658]

13. 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]

14. Ming Guan, Yao Chen, Xin Li, Yunli Wang, Xiaojing Kang, Xingjun Hu, Liang Qu, Guanghua Li.  (2024)  Evaluation of color degradation on unearthed silks: A data analytical strategy based on microfading spectrometry.  JOURNAL OF CULTURAL HERITAGE,      [PMID:] [10.1016/j.culher.2024.01.003]

15. Zhen Zeng, Qisheng Huang, Qian Li, Jia Yan, Xiaoyu Zhao, Lei Huang, Sijie Zhao, Hongguo Zhang.  (2024)  Experimental and DFT calculation study on the efficient removal of high fluoride wastewater from metallurgical wastewater by kaolinite.  ENVIRONMENTAL RESEARCH,      [PMID:39002636] [10.1016/j.envres.2024.119604]

16. Huijuan Ma, Tingqian Wang, Junfeng Wang, Peiyao Wang, Qi Shu, Ruilin Qin, Sijia Li, Huan Xu.  (2024)  Formaldehyde exacerbates inflammation and biases T helper cell lineage commitment through IFN-γ/STAT1/T-bet pathway in asthma.  ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,      [PMID:38823345] [10.1016/j.ecoenv.2024.116534]

17. Dongyin Niu, Tiantian Zhang, Xuedan Zhang, Yufei Tan, Lukai Zhai.  (2024)  Thermal Performance and Structural Optimization of Electric Heating Module Based on KAl(SO4)2·12H2O/Expanded Graphite Composite Phase-Change Material.  Energy Technology,      [PMID:] [10.1002/ente.202400707]

18. Lei Wang, Qiuyu Zhu, Haijuan Yu, Guangyuan Xie, Zhicheng Yu.  (2022)  Agricultural crops of sarsaparilla root as source of natural dye for inkjet printing and bio-functional finishing of cotton fabric.  INDUSTRIAL CROPS AND PRODUCTS,      [PMID:] [10.1016/j.indcrop.2022.115490]

19. Yan Jin, Xinyuan Wang, Ya-Ping Dong.  (2022)  Variation of Water Quality in Ningxia Section of the Yellow River in Recent 5 Years.  Journal of Chemistry,      [PMID:] [10.1155/2022/7704513]

20. Ying Cheng, Jing Tang, Xue Chen, Fang Wang, Zilin Chen.  (2021)  Assay for TET1 activity and its inhibitors screening with signal amplification by both nanoparticles and Ru(III) redox recycling.  JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS,      [PMID:34182409] [10.1016/j.jpba.2021.114228]

21. KangDi Chen, Siqi Chai, Guoqiang Li, Zeyu Li, Youqian Wang, Heting Li, Liwei Ma, Mai Wei, Guojie Zhang, Ying Wang.  (2024)  Impact of H2 Reduction on the Performance and Stability of Phenol Catalytic Wet Air Oxidation (CWAO) Over Cu−Ce/AC Catalysts.  ChemistrySelect,  9  (32): (e202402012).  [PMID:] [10.1002/slct.202402012]

22. Yuandong Shen, Junyi Niu, Yuzhu Luan, Wei Liu, Haobin Qiu, Xuenong Gao.  (2024)  Preparation and thermal conductivity enhancement of binary non-eutectic phase change materials based on alum-urea for solar heat storage system.  SOLAR ENERGY MATERIALS AND SOLAR CELLS,      [PMID:] [10.1016/j.solmat.2024.112850]

23. Shuheng Hu, Liangke Mao, Peng Qin, Zimu Xu, Lijian Ding, Helong Li, Ya Wei, Xiaoli Wang, Zhangyin Li, Zhaozhong Huang.  (2025)  Dual-Temperature Composite Phase Change Material Adapted for Wide-Temperature-Range Applications in Battery Thermal Management.  ACS Applied Materials & Interfaces,      [PMID:41376331] [10.1021/acsami.5c17887]

24. Ziyi Wang, Wenqi Wang, Lang Zhao, Min He, Rong Li.  (2026)  Microcrystalline cellulose modified with ethylenediamine disuccinate via ring-opening grafting reaction: A novel and efficient biosorbent for heavy metal ions.  CARBOHYDRATE POLYMERS,      [PMID:41831994] [10.1016/j.carbpol.2026.125078]