This is a demo store. No orders will be fulfilled.

Sodium metabisulfite - anhydrous, Reagent Plus, ≥99%, high purity , CAS No.7681-57-4

In stock
Item Number
S433809
Grouped product items
SKU Size
Availability
Price Qty
S433809-500g
500g
Available within 8-12 weeks(?)
Production requires sourcing of materials. We appreciate your patience and understanding.
$110.90

Basic Description

Synonyms Sodium metabisulfite, SO2 58.5% | Sodium bisulfite anhydrous | Sodium metabisulfite | sodium meta-bisulfite | Sodium pyrosulfite | UNII-4VON5FNS3C | EC 231-673-0 | SODIUM METABISULFITE [WHO-DD] | Sodium metabisulphite | Disodium metabisulfite | DISODIUM P
Specifications & Purity anhydrous, high-purity, Reagent grade, ≥99%
Grade anhydrous, high-purity, Reagent Grade
Product Description

Other Notes

As a solid, this product is sodium metabisulfite, Na 2 S 2 O 5 . Dissolved in water, it yields NaHSO 3 .

Taxonomic Classification

Taxonomy Tree

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 sodium salts  Inorganic oxides  
Molecular Framework Not available
Substituents Alkali metal dithionite - Inorganic sodium salt - 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

Mechanisms of Action

Mechanism of Action Action Type target ID Target Name Target Type Target Organism Binding Site Name References

Names and Identifiers

INCHI InChI=1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
InChIKey HRZFUMHJMZEROT-UHFFFAOYSA-L
Smiles [O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+]
Isomeric SMILES [O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+]
WGK Germany 1
RTECS UX8225000
UN Number 3335
Packing Group III
Molecular Weight 190.11

Certificates(CoA,COO,BSE/TSE and Analysis Chart)

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

Chemical and Physical Properties

Boil Point(°C) 150°C
Melt Point(°C) >300 °C
Molecular Weight 190.110 g/mol
XLogP3
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 6
Rotatable Bond Count 0
Exact Mass 189.898 Da
Monoisotopic Mass 189.898 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. Zhao Haitao, Bian Guoqing, Xu Xiang, He Weiwei, Zhang Lifen, Cheng Zhenping.  (2023)  Persistent radical anion of perylene dianhydride: an emerging metal-free photocatalyst for near-infrared photocontrolled RAFT polymerization.  Science China-Chemistry,    (1-10). 
2. Shi-Long Xu, Peng Yin, Lu-Jie Zuo, Shi-Yi Yin, Yue Lin, Wanqun Zhang, Sheng-Qi Chu, Hai-Wei Liang, Xian-Zhu Fu.  (2023)  Scalable Synthesis of Low-Pt PtCu3 Intermetallic Oxygen Reduction Electrocatalysts via Sulfur-Containing Inorganic Salt-Assisted Strategy.  ACS Sustainable Chemistry & Engineering,  11  (32): (12093–12101). 
3. Zhenhui Bai, ZhengQi Wang, Jie Jia, Dequn Wu, Xueli Wang, Jianyong Yu, Ruchao Yuan, Faxue Li.  (2023)  A highly thermostable flame retardant for poly(ethylene terephthalate) and its fabric with satisfactory comprehensive flame retardancy.  POLYMER,  283  (126194). 
4. Shihua Mai, Yue Ma, Hongsheng Liu, Chao Li, Yuqing Song, Kaizhen Hu, Xinyan Chen, Ying Chen, Wei Zou.  (2023)  Dynamic Modulation of SO2 Atmosphere for Enhanced Fresh-Keeping of Grapes Using a Novel Starch-Based Biodegradable Foam Packaging.  Foods,  12  (11): (2222). 
5. Sha Cheng, Cheng Huang, Wen Chen, Pengchao Zhang.  (2023)  Directional Superspreading of Water Droplets on Grooved Hydrogel Surfaces for Open Microfluidic Platforms.  Small Methods,    (2300221). 
6. Guoguang Chen, Yaxin Zhou, Jie Dai, Shiyu Yan, Wenjun Miao, Lili Ren.  (2022)  Calcium alginate/PNIPAAm hydrogel with body temperature response and great biocompatibility: Application as burn wound dressing.  INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,  216  (686). 
7. Shu-Chuan Mei, Xian-Hong Rui, Liang Li, Gui-Xiang Huang, Xiao-Qiang Pan, Ming-Kun Ke, Zhao-Hua Wang, Han-Qing Yu, Yan Yu.  (2021)  Quantitative Coassembly for Precise Synthesis of Mesoporous Nanospheres with Pore Structure-Dependent Catalytic Performance.  ADVANCED MATERIALS,  33  (43): (2103130). 
8. Keming Zhang, Xiaochan An, Yan Bai, Chong Shen, Yinpeng Jiang, Yunxia Hu.  (2021)  Exploration of food preservatives as draw solutes in the forward osmosis process for juice concentration.  JOURNAL OF MEMBRANE SCIENCE,  635  (119495). 
9. Yongsong Tan, Kamen Ivanov, Zhanyong Mei, Hui Li, Huihui Li, Ludwig Lubich, Chaoxia Wang, Lei Wang.  (2021)  A Soft Wearable and Fully-Textile Piezoresistive Sensor for Plantar Pressure Capturing.  Micromachines,  12  (2): (110). 
10. Sun Chao, Gao Xiaoqi, Wang Lei, Zhou Nan.  (2021)  Rapid Response and High Selectivity for Reactive Nitrogen Species Based on Carbon Quantum Dots Fluorescent Probes.  Food Analytical Methods,  14  (6): (1121-1132). 
11. Yixian Wu, Yilin Yang, Yaxin Li, Chenxu Zhang, Yanan Wang, Hongwei Tian.  (2021)  Highly efficient hybrid electrocatalyst Fe4.5Ni4.5S8/Fe7S8 extracted from nickel ore for hydrogen evolution reaction.  CERAMICS INTERNATIONAL,  47  (12002). 
12. Min Zhang, Jing Gao, Guanhua Liu, Miyu Zhang, Hengrao Liu, Liya Zhou, Yunting Liu, Xiaobing Zheng, Yanjun Jiang.  (2021)  High-Throughput Zwitterion-Modified MoS2 Membranes: Preparation and Application in Dye Desalination.  LANGMUIR,  37  (1): (417–427). 
13. Xue-Li Liu, Kun Zhang, Yu Hu, Zhengjuan Zhang, Jun Chen, TianLin Ma, JiaJia Wang.  (2020)  Determination of Molar Substitution of γ-Hydroxypropyl Starch.  STARCH-STARKE,  73  (3-4): (2000013). 
14. Hengrao Liu, Guanhua Liu, Min Zhang, Hao Zhao, Yanjun Jiang, Jing Gao.  (2020)  Rapid preparation of Tannic acid (TA) based zwitterionic nanofiltration membrane via a multiple layer-by-layer (mLBL) assembly strategy for enhanced antifouling performance.  SEPARATION AND PURIFICATION TECHNOLOGY,  253  (117519). 
15. Bin Feng, Di Wang, Yuhui Li, Junpeng Qian, Chenlei Yu, Mingsi Wang, Danni Luo, Shuangying Wei.  (2020)  Mechanical Properties of a Soy Protein Isolate–Grafted–Acrylate (SGA) Copolymer Used for Wood Coatings.  Polymers,  12  (5): (1137). 
16. Hongbin Li, Xianhua Zeng, Wenying Shi, Haixia Zhang, Shoufa Huang, Rong Zhou, Xiaohong Qin.  (2020)  Recovery and purification of potato proteins from potato starch wastewater by hollow fiber separation membrane integrated process.  Innovative Food Science & Emerging Technologies,  63  (102380). 
17. Yan-Peng Ni, Wan-Shou Wu, Lin Chen, Xi Zhao, Zi-Hao Qin, Xiu-Li Wang, Yu-Zhong Wang.  (2019)  How Hydrogen Bond Interactions Affect the Flame Retardancy and Anti-Dripping Performances of PET.  MACROMOLECULAR MATERIALS AND ENGINEERING,  305  (1): (1900661). 
18. Chuanqing Fu, Hailong Ye, Aoke Lei, Guojun Yang, Pan Wan.  (2020)  Effect of novel superabsorbent polymer composites on the fresh and hardened properties of alkali-activated slag.  CONSTRUCTION AND BUILDING MATERIALS,  232  (117225). 
19. Yu Zhang, Yixin Dong, Xun Li, Fei Wang.  (2019)  Proanthocyanidin Encapsulated in Ferritin Enhances Its Cellular Absorption and Antioxidant Activity.  JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,  67  (41): (11498–11507). 
20. Xueting Wang, Yanhua Yuan, Lei Chen, Zhanxiong Li.  (2019)  Synthesis of branched gem-bisfluoroalkylsilane with short-chain perfluoroalkyl moieties and its self-assembled monolayers.  Materials Research Express,  (8): (86417). 
21. Liang Liping, Wang Chenlu, Wang Hongfang, Zhan Haihua, Meng Xu.  (2018)  Bioinspired Fabric with Superhydrophilicity and Superoleophobicity for Efficient Oil/Water Separation.  FIBERS AND POLYMERS,  19  (9): (1828-1834). 
22. Huixuan Bu, Xin Xu, Jiaming Chen, Yuecheng Cui, Li-Qun Wang.  (2017)  Synthesis of a hemoglobin-conjugated triblock copolymer for oxygen carrying and specific recognition of cancer cells.  RSC Advances,  (76): (48166-48175). 
23. Tiantian Chen, Tingwen Wei, Zhijie Zhang, Yahui Chen, Jian Qiang, Fang Wang, Xiaoqiang Chen.  (2017)  Highly sensitive and selective ESIPT-based fluorescent probes for detection of Pd2+ with large Stocks shifts.  DYES AND PIGMENTS,  140  (392). 
24. Ting Zhou, Ting Zhao, Qing Cheng, Shan Liu, Ling Xu, Wen Tan.  (2013)  A sensitive LC-MS/MS method for simultaneous determination of R-bambuterol and its active metabolite R-terbutaline in human plasma and urine with application to a clinical pharmacokinetic study.  BIOMEDICAL CHROMATOGRAPHY,  28  (7): (994-1002). 
25. Xianxian Li, Xiaohe Song, Liran Zhang, Yi Huang, Yiting Tong, Yang Chen, Changhuan Zhang, Han Wu, Pibo Ma.  (2024)  Biocompatible Polylactic Acid/Wool Keratin/Carbon Nanotubes Fibers via Electrospinning as a Flexible Pressure Electronic Sensor.  ACS Applied Electronic Materials,  (8): (6131-6139). 
26. Ronglin Ma, Chunya Ji, Mengdan Shen, Shujuan Xu, Guojia Fan, Chengcheng Wu, Qiang Yu, Linliang Yin.  (2024)  Development of Small HN Linked Radionuclide Iodine-125 for Nanocarrier Image Tracing in Mouse Model.  International Journal of Nanomedicine,     
27. Xiaoqin Cao, Yujun Feng, Hongyao Yin.  (2024)  Facile access to highly functionalized polyacrylamide with ultra-high molecular weight: Multicomponent initiators-based free radical polymerization.  POLYMER,  315  (127825). 
28. Jie Qi, Miaomiao Qing, Yang Yang, Siwei Chen, Yong Zhang, Na Wang, Hongsheng Lu, Zheng Zhang.  (2025)  Intensifying Stabilization and Dissolution Capacity of Polyacrylamide Emulsion Drag Reducers Using a pH-Switchable Four-Tailed Ionic Liquid Surfactant.  LANGMUIR,     
29. Ye Zhang, Yutong Wen, Yingying Li, Zhiqi Li, Zhen Wang, Bing Fan, Qiaoyu Li, Wanchen Cai, Ying Li.  (2025)  Lignin-based nanoenzyme doped hydrogel for NO-enhanced chemodynamic therapy of bacterial infections.  INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,  302  (140489). 
30. Kun Zhang, Ni Dan, Ruo-Yu Zhang, Jiaojiao Wei, Rui-Xue Tian, Yongfan Zhang, Hong-Ru Fu, Mei Qiu, Lu-Fang Ma, Shuang-Quan Zang.  (2025)  Multi-Stimuli-Responsive Circularly Polarized Luminescence with Handedness Inversion and Near-Infrared Phosphorescence in Chiral Metal-Organic Framework Platform for White Light Emission and Information Encryption.  Advanced Science,    (2502784). 
31. Xiaobao Tuo, Yanhua Duan, Guanting Lin, Tianci Jiang, Wenhui Liu, Fangyi Chen, Xianjun Xie, Yan Zheng.  (2024)  Rapid screening of inorganic arsenic in groundwater on-site by a portable three-channel colorimeter.  Journal of Environmental Sciences,     
32. Yang Yang, Caifu Zhi, Yong Zhang, Xin Long, Jie Qi, Yang Wu, Zheng Zhang, Hongsheng Lu.  (2025)  Surfactivity-switchable dynamic covalent trimeric stabilizer for enhanced dissolution efficiency of friction reducer emulsions.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,  711  (136362). 
33. Jianing Li, Zheng Zhou, Qi Wu, Zhaofang Liu, Lin Zhu, Shuhong Ye, Yan Ding.  (2025)  Untargeted metabolomics reveals the formation pathways of bound sulfite in sodium metabisulfite-soaked Hemerocallis citrina Baroni.  FOOD CHEMISTRY,  465  (141927). 

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.