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Sodium thiosulfate pentahydrate

SIGALD/13479 - puriss., meets analytical specification of Ph. Eur., BP, USP

CAS Number: 10102-17-7
Empirical Formula (Hill Notation): Na2O3S2 · 5H2O
Molecular Weight: 248.18
EC Number: 231-867-5
MDL Number: MFCD00149186
Linear Formula: Na2S2O3 · 5H2O
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-13479-500G-R 500 g
 $64.50
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: 13479-500G-R
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: 13479-2.5KG-R

 

agency suitable for EPA 1621
  suitable for ISO 25101
anion traces sulfate, sulfite (as SO42-): ≤2000 mg/kg
  sulfide (S2-): in accordance
application(s) PFAS testing
assay 99.0-100.5% (USP, dry basis)
  99.0-101.0% (EP)
cation traces As: ≤3 mg/kg
  Ca: ≤50 mg/kg
  Fe: ≤10 mg/kg
form crystalline
grade puriss.
impurities residual solvents, complies
  ≤0.0005% heavy metals (as Pb)
InChI 1S/2Na.H2O3S2.5H2O/c;;1-5(2,3)4;;;;;/h;;(H2,1,2,3,4);5*1H2/q2*+1;;;;;;/p-2
InChI key PODWXQQNRWNDGD-UHFFFAOYSA-L
loss 32-37% loss on drying, 16 h (vacuum)
pH 6.0-8.4 (20 °C, 10%)
quality meets analytical specification of Ph. Eur., BP, USP
Quality Level 200 
SMILES string O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=S
suitability complies for appearance of solution
Packaging: 2.5, 6×2.5 kg in poly bottle
Packaging: 500 g in poly bottle
RIDADR NONH for all modes of transport
WGK Germany WGK 1
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity 99.0-100.5% (USP, dry basis); 99.0-101.0% (EP)
UNSPSC 12352302

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