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	PharmPure™, JP, BP, Ph.Eur., NF, pharmaceutical grade
Storage Temp	Room temperature,Argon charged
Shipped In	Normal
Grade	BP, JP, NF, Ph.Eur., pharmaceutical grade, PharmPure™
Product Description	Sodium metabisulfite (MBS, Sodium disulfite) is an inorganic salt. It is the sodium salt of disulphurous (pyrosulfurous) acid. It is widely used as reducing agent in textile and photography industry. It is commonly added to various foods and wines as preservative. Application Sodium disulfite has reducing and anti-septic properties with broad range of applications in pharmaceutical, cosmetic and food industry. It is commonly used as preservative and antioxidant, especially for liquid and semi-solid application. In the food industry it is can help preserving food products and maintaining their fresh appearance.

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
InChi Key	HRZFUMHJMZEROT-UHFFFAOYSA-L
Canonical 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
PubChem CID	656671
UN Number	1759
Packing Group	I
Molecular Weight	190.11

Certificates

Certificate of Analysis(COA)

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4 results found

Lot Number	Certificate Type	Date	Item
G2430521	Certificate of Analysis	Jul 22, 2024	S433804
G2430537	Certificate of Analysis	Jul 22, 2024	S433804
G2430548	Certificate of Analysis	Jul 22, 2024	S433804
L2318496	Certificate of Analysis	Oct 10, 2023	S433804

Chemical and Physical Properties

Sensitivity	Hygroscopic；Air sensitive
Boil Point(°C)	150°C
Melt Point(°C)	>300 °C

Safety and Hazards(GHS)

Pictogram(s)	GHS05, GHS07
Signal	Danger
Hazard Statements	H302:Harmful if swallowed H318:Causes serious eye damage H402:Harmful to aquatic life
Precautionary Statements	P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P501:Dispose of contents/container to ... P264:Wash hands [and …] thoroughly after handling. P270:Do not eat, drink or smoke when using this product. P301+P312+P330:IF SWALLOWED: Call a POISON CENTER/ doctor if you feel unwell. Rinse mouth.
WGK Germany	1
RTECS	UX8225000
Class	8

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, (7): (1-10). [PMID:16710300]
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). [PMID:]
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). [PMID:]
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). [PMID:37297469]
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). [PMID:37254259]
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). [PMID:35817237]

References

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, (7): (1-10). [PMID:16710300]
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). [PMID:]
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). [PMID:]
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). [PMID:37297469]
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). [PMID:37254259]
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). [PMID:35817237]

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Sodium disulfite - (sodium metabisulfite), Pharmaceutical grade, Ph. Eur., BP, JP, NF, E 223, high purity , CAS No.7681-57-4