1.05056
焦亚硫酸钾
E 224
别名:
Potassium disulfite, Potassium metabisulfite, Potassium pyrosulfite
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关于此项目
经验公式（希尔记法）:
K2O5S2
化学文摘社编号:
分子量:
222.32
UNSPSC Code:
12352302
E Number:
E224
EC Index Number:
240-795-3
MDL number:
SMILES string
[K+].[K+].[S](=O)(=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
form
solid
pH
3.0-4.5 (20 °C, 50 g/L in H2O)
mp
150 °C (decomposition)
application(s)
pharma/biopharma processes
storage temp.
15-25°C
Quality Level
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General description
We offer a range of high quality critical raw materials plus the documentation and expertise to help our customers meet stringent regulatory requirements. Our SAFC® portfolio of high-quality products withstands strict quality control procedures.
Application
Potassium disulfite shows preservative and antioxidant properties. Potassium disulfite E224 is suitable for use in pharmaceutical processes and as food additive.
Legal Information
Emprove is a registered trademark of Merck KGaA, Darmstadt, Germany
SAFC is a registered trademark of Merck KGaA, Darmstadt, Germany
supp_hazards
signalword
Danger
存储类别
11 - Combustible Solids
wgk
WGK 1
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Irrit. 2
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