60508
Potassium disulfite
BioUltra, ≥97.0% (RT)
Sinonimo/i:
Potassium metabisulfite, Potassium pyrosulfite
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| Taglio della confezione | SKU | Disponibilità | Prezzo |
|---|---|---|---|
| 250 g | Disponibile per la spedizione OGGIdaSchnelldorf Distribution | 59,70 € |
Informazioni su questo articolo
grade
reagent grade
Quality Segment
product line
BioUltra
assay
≥97.0% (RT)
impurities
insoluble matter, passes filter test
pH
2.5-4.5 (25 °C, 0.1 M in H2O)
solubility
H2O: 0.1 M at 20 °C, clear, colorless
anion traces
chloride (Cl-): ≤50 mg/kg
cation traces
Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤1000 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg
absorption
cut-off at 308 nm in H2O at 0.1 M
SMILES string
[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
Application
1 of 1
Questo articolo | |||
|---|---|---|---|
| solubility H2O: 0.1 M at 20 °C, clear, colorless | solubility - | solubility - | solubility H2O: 0.5 M at 20 °C, clear, colorless |
| assay ≥97.0% (RT) | assay 95.0-101.0% (iodometric) | assay 95.0-101.0% (iodometric) | assay ≥99.0% (AT) |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 200 |
| grade reagent grade | grade - | grade - | grade reagent grade |
| pH 2.5-4.5 (25 °C, 0.1 M in H2O) | pH 3.5-4.5 (20 °C, 5%) | pH 3.5-4.5 (20 °C, 5%) | pH 5.5-7.5 (25 °C, 0.5 M in H2O) |
| impurities insoluble matter, passes filter test | impurities organic volatile impurities, complies (GC), residual solvents, in accordance, ≤0.001% heavy metals (as Pb), ≤0.08% thiosulfate (S2O3), 51.8-57.6% sulfur dioxide | impurities organic volatile impurities, complies (GC), residual solvents, in accordance, ≤0.001% heavy metals (as Pb), ≤0.08% thiosulfate (S2O3), 51.8-57.6% sulfur dioxide | impurities insoluble matter, passes filter test, ≤0.0005% total nitrogen (N) |
| solubility H2O: 0.1 M at 20 °C, clear, colorless | solubility - | solubility - | solubility H2O: 0.5 M at 20 °C, clear, colorless |
| assay ≥97.0% (RT) | assay 95.0-101.0% (iodometric) | assay 95.0-101.0% (iodometric) | assay ≥99.0% (AT) |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 200 |
| grade reagent grade | grade - | grade - | grade reagent grade |
| pH 2.5-4.5 (25 °C, 0.1 M in H2O) | pH 3.5-4.5 (20 °C, 5%) | pH 3.5-4.5 (20 °C, 5%) | pH 5.5-7.5 (25 °C, 0.5 M in H2O) |
| impurities insoluble matter, passes filter test | impurities organic volatile impurities, complies (GC), residual solvents, in accordance, ≤0.001% heavy metals (as Pb), ≤0.08% thiosulfate (S2O3), 51.8-57.6% sulfur dioxide | impurities organic volatile impurities, complies (GC), residual solvents, in accordance, ≤0.001% heavy metals (as Pb), ≤0.08% thiosulfate (S2O3), 51.8-57.6% sulfur dioxide | impurities insoluble matter, passes filter test, ≤0.0005% total nitrogen (N) |
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signalword
Danger
supp_hazards
Classe di stoccaggio
11 - Combustible Solids
wgk
WGK 1
ppe
dust mask type N95 (US), Eyeshields, Gloves
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Irrit. 2
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Numero articolo commerciale globale
| SKU | GTIN |
|---|---|
| 60508-5KG | 04061833459324 |
| 60508-250G | 04061832675947 |