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Chemistry & Biochemicals
Potassium disulfite - UltraBio™, ≥97%(RT), high purity , CAS No.16731-55-8

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Potassium disulfite - UltraBio™, ≥97%(RT), high purity , CAS No.16731-55-8

4 Citations

COA

Grade & Purity:

UltraBio™

≥97%(RT)

Cas Number: 16731-55-8
Molecular Weight: 222.32
EC Number: 240-795-3
MDL number: MFCD00167605
PubChem CID: 28019

In stock

Item Number

P755621

Grouped product items
SKU	Size	Availability	Price	Qty
P755621-250g	250g	Available within 8-12 weeks(?) Production requires sourcing of materials. We appreciate your patience and understanding.	$41.90

Basic Description

Specifications & Purity	UltraBio™, ≥97%(RT)
Storage Temp	Room temperature
Shipped In	Normal
Grade	UltraBio™
Product Description	Potassium disulfite (Potassium metabisulfite) may be use to study is antioxidant effects and ability to preserve food. Potassium disulfite may be used as an inhibitor of yeasts, bacteria, and fungi growth. Potassium metabisulfite may be used to study its potential toxicities in vivo.

Taxonomic Classification

Taxonomy Tree

Kingdom Inorganic compounds
- Superclass Mixed metal/non-metal compounds
  - Class Alkali metal oxoanionic compounds
    - Subclass Alkali metal dithionites

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
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

Names and Identifiers

PH	2.5-4.5 (25 °C, 0.1 M in H 2 O)
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)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Chemical and Physical Properties

Solubility	H 2 O: 0.1 M at 20 °C, clear, colorless
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 Å²
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

How to Cite Aladdin Scientific Products?

1. 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).
2. 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).
3. 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).
4. 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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