72030
Sodium tetrathionate dihydrate
purum p.a., ≥98.0% (T)
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| Size/SKU | Availability | Price |
|---|---|---|
100 g | Check Cart for Availability | $1,000.00 |
About This Item
grade
purum p.a.
Quality Segment
assay
≥98.0% (T)
form
powder or crystals
impurities
10.5-20.0% water (Karl Fischer)
pH
4-6 (25 °C, 30.6 g/L)
solubility
H2O: 50 mg/mL, slightly turbid, colorless
density
2.1 g/mL at 25 °C (lit.)
anion traces
thiosulfate (S2O32-): ≤500 mg/kg
cation traces
Ca: ≤500 mg/kg, Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤50 mg/kg, K: ≤100 mg/kg, Ni: ≤50 mg/kg, Pb: ≤50 mg/kg, Zn: ≤50 mg/kg
storage temp.
2-8°C
SMILES string
O.O.[Na+].[Na+].[O-]S(=O)(=O)SSS([O-])(=O)=O
InChI
1S/2Na.H2O6S4.2H2O/c;;1-9(2,3)7-8-10(4,5)6;;/h;;(H,1,2,3)(H,4,5,6);2*1H2/q2*+1;;;/p-2
InChI key
HAEPBEMBOAIUPN-UHFFFAOYSA-L
General description
1 of 1
This Item | |||
|---|---|---|---|
| description purum p.a., ≥98.0% (T) | description ≥98% (titration) | description - | description 100 μg/mL in cyclohexane, PESTANAL®, analytical standard |
| form powder or crystals | form - | form powder | form - |
| assay ≥98.0% (T) | assay ≥98% (titration) | assay ≥98.0% (titration) | assay - |
| solubility H2O: 50 mg/mL, slightly turbid, colorless | solubility H2O: 200 + 4mL H2O mg, clear to hazy, colorless to faintly yellow | solubility - | solubility - |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 100 |
| grade purum p.a. | grade - | grade - | grade analytical standard |
| cation traces Fe: ≤50 mg/kg, Cu: ≤50 mg/kg, Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Ca: ≤500 mg/kg, Zn: ≤50 mg/kg, K: ≤100 mg/kg, Pb: ≤50 mg/kg, Ni: ≤50 mg/kg | cation traces - | cation traces - | cation traces - |
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Signal Word
Warning
Hazard Codes
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class
11 - Combustible Solids
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
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