CAS Number16731-55-8
SynonymsPOTASSIUM M-BISULFITE; Potassium Metabisulfite; POTASSIUM DISULFITE; potassium pyrosuifite; dipotassiumdisulfite; POTASSIUM BISULFITE; EINECS 240-795-3; POTASSIUMPYROSULPHITE; Dikaliumdisulfit; MFCD00167605; POTASSIUM BISULPHITE; Potassium pyrosulfite; POTASSIUM METABISULF; Potassium metabisulfite,Potassium pyrosulfite
Molecular FormulaK2S2O5
Molecular Weight222.32
Purity≥98%
Density2.34 g/cm3
Melting Point190ºC
Appearancepowder
EINECS240-795-3
Symbol
Signal WordWarning
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 16731-55-8 |
| Catalog No. | 2A-9015405 |
| Chinese Name | 焦亚硫酸钾 |
| Synonyms | POTASSIUM M-BISULFITE; Potassium Metabisulfite; POTASSIUM DISULFITE; potassium pyrosuifite; dipotassiumdisulfite; POTASSIUM BISULFITE; EINECS 240-795-3; POTASSIUMPYROSULPHITE; Dikaliumdisulfit; MFCD00167605; POTASSIUM BISULPHITE; Potassium pyrosulfite; POTASSIUM METABISULF; Potassium metabisulfite,Potassium pyrosulfite |
| Molecular Formula | K2S2O5 |
| Molecular Weight | 222.32 |
| Purity | ≥98 |
| Density | 2.34 g/cm3 |
| Melting Point | 190ºC |
| Appearance | powder |
| Water Solubility | H2O: 0.1 M at 20 °C, clear, colorless |
| Storage Condition | 1. It should be stored in a cool, ventilated, dry |
| EINECS | 240-795-3 |
| HTC | 2832200000 |
| PubChem ID | 329820140 |
| MDL Number | MFCD00167605 |
| SMILES | [K+].[K+].[O-]S(=O)S([O-])(=O)=O |
| InChI | 1S/2K.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2 |
| InChI Key | RWPGFSMJFRPDDP-UHFFFAOYSA-L |
| NACRES Code | NA.55 |
| UNSPSC | 12352302 |
| Hazard Symbols | Transport |
| MSDS | msds/15405_1_16731_55_8.pdf |
| Transport Info | Shipping Name: UN |
| MSDS Transport Info | Module 14. Shipping information 14.1 UN dangerous goods number European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.2 United Nations shipping name European Land Transport Dangerous Regulations: Non-dangerous goods IMDG Code: Non-dangerous goods International air transport dangerous goods regulations: non-dangerous goods 14.3 Transport hazard categories European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.4 Package group European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.5 Environmental hazards European Land Transport Danger Regulations: No International Maritime Danger Regulations International Air Transport Danger Regulations: No Marine pollutants (yes/no): No 14.6 Special reminder to users No data available |
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| Sodium metabisulfite | 7681-57-4 | 2A-9015697 |
| Sodium nitrate | 7631-99-4 | 2A-9015708 |
| Sodium nitrite | 7632-00-0 | 2A-9015709 |
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