Products

Sodium thiosulfate

Product Name
Sodium thiosulfate
Cat.No.
PE-0095
Particle Size
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Product Details

Category
Antioxidants
Molecular Formula
Na2S2O3
Grade
purum p.a.
CAS Number
7772-98-7
Purity
≥98.0% (RT)
Solubility
Immiscible with alcohol.
Quality Level
200
Storage
Store at 5°C to 30°C.
Boiling Point
100°C
Melting Point
48°C
Density
1.01 g/mL at 25 °C
Product Description
The product is anhydrous sodium thiosulfate (Na2S2O3). It can be obtained from Na2S2O3.10H2O by heating above 100°C. It can be synthesized from sodium sulfate.
EC Number
231-867-5
Molecular Weight (g/mol)
158.11
Physical State
Crystals
MDL number
MFCD00003499
NACRES
NA.21
pH
6.0-8.5 (25℃, 50mg/mL in H2O)
SMILES
[Na+].[Na+].[O-]S([O-])(=O)=S
InChI
1S/2Na.H2O3S2/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
Hazard Codes
Xi
Safety Statements
24/25-23-36-26
WGK Germany
1
RTECS
XN6476000
HS Code
28323000
Water Solubility
Soluble in water. Insoluble in alcohol.
Color
White
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