1.06516
Sodium thiosulfate pentahydrate
for analysis EMSURE® ACS,ISO,Reag. Ph Eur
동의어(들):
Sodium thiosulfate pentahydrate, Antichlor
크기 선택
제품정보 (DICE 배송 시 비용 별도)
grade
ACS reagent
Quality Segment
agency
reag. ISO, reag. Ph. Eur., suitable for SM 2310, suitable for SM 2320, suitable for SM 4500 - NH3
product line
EMSURE®
assay
99.5-101.0% (iodometric)
form
solid
potency
>5000 mg/kg LD50, oral (Rat)
impurities
≤0.005% Insoluble matter
pH
6.0-7.5 (20 °C, 100 g/L in H2O)
mp
48 °C
density
1.74 g/cm3 at 20 °C
bulk density
1000 kg/m3
anion traces
chloride (Cl-): ≤0.008%, sulfate, sulfite (as SO42-): ≤0.1%, sulfide (S2-): passes test
cation traces
Ca: ≤0.002%, Cu: ≤0.0005%, Fe: ≤0.0005%, K: ≤0.001%, Mg: ≤0.001%, N: ≤0.002%, Pb: ≤0.0005%, heavy metals (as Pb): ≤0.001%
storage temp.
2-30°C
SMILES string
[Na+].[Na+].[S](=S)(=O)([O-])[O-].O.O.O.O.O
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
Application
- Synthesis of Aryl Amides from Acyl-Bunte Salts and Aryl Azides: Details the application of sodium thiosulfate pentahydrate in synthetic organic chemistry, specifically in the synthesis of aryl amides, illustrating its utility in facilitating complex chemical reactions (Chen et al., 2023).
Analysis Note
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.005 %
pH-value (5 %; water, 25 °C): 6.0 - 7.5
pH-value (10 %; water): 6.0 - 7.5
Chloride (Cl): ≤ 0.008 %
Sulfate and sulphite (as SO₄): ≤ 0.1 %
Sulfide (S): passes test
Heavy metals (as Pb): ≤ 0.001 %
Total nitrogen (N): ≤ 0.002 %
Ca (Calcium): ≤ 0.002 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.001 %
Mg (Magnesium): ≤ 0.001 %
Pb (Lead): ≤ 0.0005 %
Corresponds to ACS, ISO, Reag. Ph Eur
Other Notes
Legal Information
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저장 등급
13 - Non Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable