Calcium sulfite - ≥90% , CAS No.10257-55-3

CAS: 10257-55-3 Cat. No.: C111780 Formula: CaSO₃ Peso molecolare: 120.17 Numero EC: 233-596-8

GRADE & PURITY ≥90%

Synonyms

Calciumsulfite | UNII-7078964UQP | Calcium sulphite | Sulfurous acid, calcium salt (1:1) | Calciumsulfit | Q899410 | 7078964UQP | DTXSID10883104 | GBAOBIBJACZTNA-UHFFFAOYSA-L | FT-0623415 | Sulfurous acid calcium salt (1:1) | CALCIUM SULFITE (E 226) | CAL

Storage

Room temperature

Shipped In

Normal

Specifications

Sinonimi

Calciumsulfite | UNII-7078964UQP | Calcium sulphite | Sulfurous acid, calcium salt (1:1) | Calciumsulfit | Q899410 | 7078964UQP | DTXSID10883104 | GBAOBIBJACZTNA-UHFFFAOYSA-L | FT-0623415 | Sulfurous acid calcium salt (1:1) | CALCIUM SULFITE (E 226) | CAL

Specifiche e purezza

≥90%

Condizioni di conservazione di stoccaggio

Room temperature

Spedito in

Normal

Purezza

≥90%

Nomi e identificatori

• Pubchem Sid: 504765287
• Pubchem Sid Url: https://pubchem.ncbi.nlm.nih.gov/substance/504765287
• Sorrisi canonici: [O-]S(=O)[O-].[Ca+2]
• IUPAC Name: calcium;sulfite
• InChIKey: GBAOBIBJACZTNA-UHFFFAOYSA-L
• INCHI: 1S/Ca.H2O3S/c;1-4(2)3/h;(H2,1,2,3)/q+2;/p-2
• Isomeri SMILES: [O-]S(=O)[O-].[Ca+2]
• Peso molecolare: 120.17
• Reaxy-Rn: 11336069
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=11336069&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Inorganic compounds
  • Superclass Mixed metal/non-metal compounds
    • Classe Alkaline earth metal oxoanionic compounds
      • Subclass Alkaline earth metal sulfites

• Kingdom: Inorganic compounds
• Superclass: Mixed metal/non-metal compounds
• Classe: Alkaline earth metal oxoanionic compounds
• Subclass: Alkaline earth metal sulfites
• Intermediate Tree Nodes: Not available
• Direct Parent: Alkaline earth metal sulfites
• Alternative Parents: Inorganic oxides Inorganic calcium salts
• Molecular Framework: Not available
• Substituents: Alkaline earth metal sulfite - Inorganic calcium salt - Inorganic oxide - Inorganic salt
• Descrizione: This compound belongs to the class of inorganic compounds known as alkaline earth metal sulfites. These are inorganic compounds in which the largest oxoanion is sulfite, and in which the heaviest atom not in an oxoanion is an alkaline earth 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.

DOI: 10.1186/s13321-016-0174-y

Proprietà chimiche e fisiche

• Peso molecolare: 120.140 g/mol
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 0
• Exact Mass: 119.919 Da
• Monoisotopic Mass: 119.919 Da
• Topological Polar Surface Area: 82.400 Ų
• Heavy Atom Count: 5
• Formal Charge: 0
• Complexity: 18.800
• 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: 2

XLogP3

Riferimenti

1. Mingyi Liu, Hanchun Chen, Pengfei Xiao, Haodong Ji.  (2023)  Sulfite activation by Jahn-Teller-driven oxygen vacancies Cu-Mn composite oxide for chlortetracycline degradation.  JOURNAL OF HAZARDOUS MATERIALS,      [PMID:37793256] [10.1016/j.jhazmat.2023.132658]

2. Lingxiang Zhao, Xinyue Cheng, Zhaoxian Wang, Enzhe Zhang, Zilian Liu, Huajing Zhou, Liang He, Qingqing Guan.  (2023)  Generating high-valent iron-oxo ≡FeIV=O complexes by calcium sulfite activation in neutral microenvironments for enhanced degradation of CIP.  ENVIRONMENTAL POLLUTION,      [PMID:37633439] [10.1016/j.envpol.2023.122449]

3. Linsong Cheng, Yuanxiang Mao, Lei Jiang, Rui Ma, Jiangsen Ma, Yiyuan Zhuo, Qiushi Shen, Caocong Liu, Liuwei Zhao, Xiaoyi Xu, Fangying Ji.  (2023)  Mn(VII) enhanced by CaSO3 to remove trace organic pollutants in high salt organic wastewater: Further enhancement of salinity.  CHEMOSPHERE,      [PMID:37211162] [10.1016/j.chemosphere.2023.138964]

4. Wenxin Song, Zhimin Gao, Fengxun Tan, Xiaoxiang Cheng, Tao Yang, Daoji Wu, Jingxin Yang, Heng Liang.  (2023)  Calcium sulfite oxidation activated by ferrous iron integrated with membrane filtration for removal of typical algal contaminants.  CHEMOSPHERE,      [PMID:37209855] [10.1016/j.chemosphere.2023.138956]

5. Xiaoxiang Cheng, Jinchuan Lian, Bin Liu, Xuewu Zhu, Yan Jin, Lijie Zhang, Fengxun Tan, Daoji Wu, Heng Liang.  (2023)  Integrated ferrate and calcium sulfite to treat algae-laden water for controlling ultrafiltration membrane fouling: High-efficiency oxidation and simultaneous cell integrity maintaining.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2023.141880]

6. Xiongwei Tian, Qiyu Weng, Tao Lyu, Shujuan Wang, Huiqing Wang, XuSheng Wu, Yuqun Zhuo.  (2021)  Selenium migration mechanism in wet FGD slurry: Experimental and DFT analysis.  JOURNAL OF HAZARDOUS MATERIALS,      [PMID:34673395] [10.1016/j.jhazmat.2021.127426]

7. Minjuan Cai, Sen Quan, Jinjun Li, Feng Wu, Gilles Mailhot.  (2021)  Calcium Sulfite Solids Activated by Iron for Enhancing As(III) Oxidation in Water.  MOLECULES,  26  (4): (1154).  [PMID:33670050] [10.3390/molecules26041154]

8. Pengfei Fan, Shunzhen He, Jianlin Cheng, Congcong Hu, Can Liu, Shengyuan Yang, Jinquan Liu.  (2020)  l-Cysteine modified silver nanoparticles-based colorimetric sensing for the sensitive determination of Hg2+ in aqueous solutions.  LUMINESCENCE,  36  (3): (698-704).  [PMID:33270343] [10.1002/bio.3990]

9. Qingfeng Wang, Yue Liu, Zhenmei Yang, Haiqiang Wang, Xiaole Weng, Yuejun Wang, Zhongbiao Wu.  (2014)  Study of mercury re-emission in a simulated WFGD solution containing thiocyanate and sulfide ions.  FUEL,      [PMID:] [10.1016/j.fuel.2014.05.080]

10. Guang-En Yuan, Yan-Ge Ma, Kangning Huangfu, Yunbei Li, Xin Zhang, Fenglin Yang.  (2024)  Bisulfite enhances p-nitrophenol degradation by zero-valent iron under oxic conditions: Combination of indirect reduction by superoxide radical and direct reduction.  Journal of Environmental Chemical Engineering,      [PMID:] [10.1016/j.jece.2024.114416]

11. Zhenjun Xiao, Junlong Zhang, Yijie Lin, Kaixuan Zheng, Zili Lin, Mengyang Niu, Wanlin Lin, Yuchun Hong, Zhongyang Li, Ping Chen, Qingbin Song, Wenying Lv, Guoguang Liu.  (2025)  Degradation of phoxim by ultrasonic assisted calcium sulfite activated persulfate: Kinetics and mechanisms insights.  Journal of Environmental Chemical Engineering,      [PMID:] [10.1016/j.jece.2025.115413]

12. Huiling Du, Jingwen Wang, Pengchao Xie, Yong Liu.  (2024)  Insights into the photo-reduction of nitrate in the presence of CaSO3: Performance and mechanism.  Journal of Environmental Chemical Engineering,      [PMID:] [10.1016/j.jece.2024.112292]

13. Yanting Pan, Feng Zhang, Wenfeng Tan, Xionghan Feng.  (2024)  New insight into wastewater treatment by activation of sulfite with humic acid under visible light irradiation.  WATER RESEARCH,      [PMID:38796910] [10.1016/j.watres.2024.121773]

14. Jinyuan Zhang, Ziqin Xing, Jianxin Liu, Yawen Wang, Xiaochao Zhang, Rui Li, Yunfang Wang, Caimei Fan.  (2024)  New insights into sulfite activation by amorphous Fe1−xNixS for RhB removal: the synergistic effect of free radical and non-free radical pathway.  NEW JOURNAL OF CHEMISTRY,  48  (34): (15202-15214).  [PMID:] [10.1039/D4NJ03327B]

15. Xiaoqin Sun, Xuejiao Feng, Yuan Dang, Sining Yun.  (2024)  Urchin-like Ni-Fe-Mo sulfide: An effective electrochemical calcium sulfite activator for tetracycline degradation.  Journal of Environmental Chemical Engineering,      [PMID:] [10.1016/j.jece.2024.112954]

16. Dandan Rao, Jie Chen, Hongyu Dong, Junlian Qiao, Baoxue Zhou, Yuankui Sun, Xiaohong Guan.  (2020)  Enhanced Oxidation of Organic Contaminants by Mn(VII)/CaSO3 Under Environmentally Relevant Conditions: Performance and Mechanisms.  WATER RESEARCH,      [PMID:33039830] [10.1016/j.watres.2020.116481]

17. Jinyuan Zhang, Long Cao, Jianxin Liu, Yawen Wang, Rui Li, Xiaochao Zhang, Yunfang Wang, Caimei Fan.  (2025)  Selective sulfite activation based on a non-radical reaction pathway with dominant 1O2 generation triggered by oxygen vacancies-enriched CuCo2O4 for efficient degradation of Ciprofloxacin.  Journal of Environmental Chemical Engineering,      [PMID:] [10.1016/j.jece.2025.117210]

18. Yuqiong Gao, Qingqing Yang, Jiaxin Ma, Juxiang Chen, Cong Li, Naiyun Gao.  (2026)  Efficient oxidation of ibuprofen by the Fe(III)/CaSO3 system: Assessment of key factors and elucidation of mechanism.  Desalination and Water Treatment,      [PMID:] [10.1016/j.dwt.2026.101636]

19. Junren Zhu, Juanjuan Zou, Ting Peng, Xinyi Li, Chaohan Jiang, Shiyang Bai, Wei Ding, Zhenzhen Jiang.  (2026)  Bicarbonate-enabled high-valent cobalt-oxo and singlet oxygen generation for pathway switching from radical to non-radical oxidation in Co(II)/calcium sulfite system.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2026.180707]

Domande frequenti

What is the purity of this product?

This product is supplied at ≥90% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.

How should this product be stored?

Store at room temperature.

How is this product shipped?

This product ships under standard ambient conditions. No temperature-controlled packaging is required.

What are the CAS number, molecular formula and molecular weight?

The CAS Number is 10257-55-3, the molecular formula is CaSO3, and the molecular weight is 120.17 g/mol. InChIKey GBAOBIBJACZTNA-UHFFFAOYSA-L.

What documentation is provided?

Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.