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Potassium pyrosulfite - reagent grade,95%, high purity , CAS No.16731-55-8
Basic Description
Synonyms
POTASSIUM METABISULFITE | 16731-55-8 | Potassium disulfite | Potassium pyrosulfite | Dipotassium pyrosulfite | Sobisu | potassium metabisulphite | Potassium pentaoxodisulfate | Ins-224 | Potassium metabisulfite [NF] | Potassium metabisulfite (e 224) | 65OE787Q7W | Dipotassium di
Specifications & Purity
CP, ≥95%
Shipped In
Normal
Grade
CP
Taxonomic Classification
Kingdom
Inorganic compounds
Superclass
Mixed metal/non-metal compounds
Class
Alkali metal oxoanionic compounds
Subclass
Alkali metal dithionites
Intermediate Tree Nodes
Not available
Direct Parent
Alkali metal dithionites
Alternative Parents
Inorganic salts Inorganic oxides
Molecular Framework
Not available
Substituents
Alkali metal dithionite - Inorganic oxide - Inorganic salt
Description
This compound belongs to the class of inorganic compounds known as alkali metal dithionites. These are inorganic compounds in which the largest oxoanion is dithionite, and in which the heaviest atom not in an oxoanion is an alkali metal.
External Descriptors
Not available
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.
Names and Identifiers
INCHI
InChI=1S/2K.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
InChIKey
RWPGFSMJFRPDDP-UHFFFAOYSA-L
Smiles
[O-]S(=O)S(=O)(=O)[O-].[K+].[K+]
Isomeric SMILES
[O-]S(=O)S(=O)(=O)[O-].[K+].[K+]
UN Number
1759
Packing Group
I
Molecular Weight
222.32
Reaxy-Rn
14412766
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=14412766&ln=
Certificates（CoA,COO,BSE/TSE and Analysis Chart)
Chemical and Physical Properties
Melt Point(°C)
190°C
Molecular Weight
222.330 g/mol
XLogP3
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
6
Rotatable Bond Count
0
Exact Mass
221.846 Da
Monoisotopic Mass
221.846 Da
Topological Polar Surface Area
125.000 Ų
Heavy Atom Count
9
Formal Charge
0
Complexity
136.000
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
3
Citations of This Product
1.
Yijie Wu, Xin Wang, Tiantian She, Taozhu Li, Yunheng Wang, Zhe Xu, Xin Jin, Haiou Song, Shaogui Yang, Shiyin Li, Shicheng Yan, Huan He, Limin Zhang, Zhigang Zou.
(2023)
Iron 3D-Orbital Configuration Dependent Electron Transfer for Efficient Fenton-Like Catalysis. Small,
20
(2):
(2306464).
2.
Yifan Liu, Jiazuo Zhou, Yudong Li, Ziyao Wang, Xiaohan Sun, Haiyue Yang, Chengyu Wang.
(2023)
Intermittent Exothermic and Self-Healing Hydrated Salt Gels for Advanced Thermal Management of Underfloor Radiant Heating System. Small,
19
(50):
(2305134).
3.
Kongming Fan, Yan Li, Qiaofeng Fu, Jinmin Wang, Yong Lin, Linyu Qiu, Li Ran, Junli Yang, Chunyan Yang.
(2023)
Bio-Assay-Guided Isolation of Fractions and Constituents with Antioxidant and Lipid-lowering Activity from Allium cepa. Antioxidants,
12
(7):
(1448).
4.
Ruiying Li, J. Paul Chen, Viatcheslav Freger.
(2023)
A new fabrication approach for mixed matrix membrane fabricated with interstitially sealed MOF nanoparticles. JOURNAL OF MEMBRANE SCIENCE,
671
(121357).
5.
Shi MingYue, Jiang LiJie, Yu ChaoJie, Dong XiaoRu, Yu QingYu, Yao MengMeng, He ShaoShuai, Yue ZhiWei, Yao FangLian, Zhang Hong, Sun Hong, Li JunJie.
(2022)
A robust polyacrylic acid/chitosan cryogel for rapid hemostasis. Science China-Technological Sciences,
65
(5):
(1029-1042).
6.
Shian Zhong, Yanyue Kong, Ling Zhou, Chengyun Zhou, Xiaona Zhang, Yan Wang.
(2014)
Efficient conversion of myricetin from Ampelopsis grossedentata extracts and its purification by MIP-SPE. JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES,
945-946
(39).
7.
Yifan Liu, Jiazuo Zhou, Yudong Li, Xiaohan Sun, Ziyao Wang, Haiyue Yang, Chengyu Wang.
(2024)
A Cellulose Salt Gel with Mechanical Transformation and Thermal Control. ADVANCED FUNCTIONAL MATERIALS,
(2400203).
8.
Xiao Xiao, Guowei Shan, Hong Gao, Zhe Ling, Yujia Tong, Xiaohui Ju, Weixing Li.
(2024)
Combinational strategy of chemical graft and layer-by-layer assembly of novel nanocomposite membranes fabrication for heavy metal ion capture. APPLIED SURFACE SCIENCE,
669
(160590).
9.
Liu Kai, Lian Yinyin, Xie Xingyun, Gao Yuyang, Song Jiajia, Suo Huayi, Zhang Yu.
(2025)
Enhancing blueberry wine quality and antioxidant capacity through mixed fermentation with S. cerevisiae and O. oeni. npj Science of Food,
9
(1):
(1-9).
10.
Zhuojun Jiang, Yufeng Liang, Shuyao Xiong, Guo Li, Qian Zhang, Benzheng Xia, Liangrong Yang, Zheng Li.
(2024)
Synergistic solvent extraction of boric acid by trioctylamine and 2-hydroxydodecanoic acid. CHINESE JOURNAL OF CHEMICAL ENGINEERING,
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10 Citations
E1907173