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CAS RN: 16731-55-8 | Product Number: P2480
Potassium Disulfite
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Purity: >97.0%(T)
Synonyms:
- Potassium Metabisulfite
- Potassium Pyrosulfite
Product Documents:
| Size | Unit Price | Same Day | 2-3 Business Days |
|---|---|---|---|
| 25G |
₩33,300
|
12 | 21 |
| 500G |
₩46,300
|
9 | 10 |
* Please contact our distributor of SEJIN CI Co., Ltd.
if you would like to purchase TCI products. The above prices do not include freight cost, customs charge and other charges to the destination. SEJIN CI Co., Ltd. (Phone: 02-2655-2480 / email:
sales@sejinci.co.kr)
* The storage conditions are subject to change without notice.
* The storage conditions are subject to change without notice.
| Product Number | P2480 |
| Purity / Analysis Method | >97.0%(T) |
| Molecular Formula / Molecular Weight | K__2S__2O__5 = 222.31 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature | Room Temperature (Recommended in a cool and dark place, <15°C) |
| CAS RN | 16731-55-8 |
| Reaxys Registry Number | 14412766 |
| PubChem Substance ID | 354334090 |
| Merck Index (14) | 7645 |
| MDL Number | MFCD00167605 |
Specifications
| Appearance | White to Almost white powder to crystal |
| Purity | min. 97.0 % |
Properties (reference)
| Melting Point | 190 °C(dec.) |
| Maximum Absorption Wavelength | 267(H2O) nm |
GHS
| Pictogram |
|
| Signal Word | Danger |
| Hazard Statements | H318 : Causes serious eye damage. |
| Precautionary Statements | P280 : Wear eye protection/ face protection. P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor. |
Related Laws:
| RTECS# | TT4920000 |
Transport Information:
| H.S.code* | 2832.20-000 |
Application
An Antioxidant and an Antimicrobial Additive
Potassium disulfite is used as an antioxidant or an antimicrobial additive in mainly the food industry. (The product is not food-grade and is for research purpose only.)
References
- Chemical composition, enzyme activity and effect of enzyme inactivation on flavor quality of green coconut water
- Influence of chemical additives on the stability of dried tomato powder
- Mutagenicity of five food additives in Ames/Salmonella/microsome test
- Effect of pH on potassium metabisulphite biocidic activity against yeast and human cell cultures
Application
Direct Sulfonation of Aryl Boronic Acids using Potassium Disulfite as a SO2 Source
Reference
- 1)Palladium-Catalyzed Synthesis of (Hetero)Aryl Alkyl Sulfones from (Hetero)Aryl Boronic Acids, Unactivated Alkyl Halides, and Potassium Metabisulfite
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Specifications
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