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Sigma-Aldrich

Sodium thiosulfate pentahydrate

ACS reagent, ≥99.5%

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About This Item

Fórmula lineal:
Na2S2O3 · 5H2O
Número de CAS:
10102-17-7
Peso molecular:
248.18
Número CE:
231-867-5
Número MDL:
MFCD00149186
Código UNSPSC:
12352302
ID de la sustancia en PubChem:
329752198
NACRES:
NA.21
Ensayo:
≥99.5%
grado:
ACS reagent
Formulario:
crystalline powder
crystals
pellets
solubilidad:
water: soluble(lit.)
En este momento no podemos mostrarle ni los precios ni la disponibilidad

grado

ACS reagent

Nivel de calidad

200

Agency

suitable for EPA 1621
suitable for ISO 25101
suitable for SM 2310
suitable for SM 2320
suitable for SM 4500 - NH3

Ensayo

≥99.5%

Formulario

crystalline powder
crystals
pellets

impurezas

≤0.002% N compounds
≤0.005% insolubles

pH

6.0-8.4 (25 °C, 5%)

solubilidad

water: soluble(lit.)

trazas de anión

S2-: passes test
SO42- and SO32-: ≤0.1%

trazas de catión

N: ≤0.002%

cadena SMILES

O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=S

InChI

1S/2Na.H2O3S2.5H2O/c;;1-5(2,3)4;;;;;/h;;(H2,1,2,3,4);5*1H2/q2*+1;;;;;;/p-2

Clave InChI

PODWXQQNRWNDGD-UHFFFAOYSA-L

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Descripción general

Sodium thiosulfate pentahydrate is a hydrated form of sodium thiosulfate. It is used as a sulfur source for the preparation of various organosulfur compounds.

Aplicación

Applied in a widely useful, thiosulfate-assisted, synthesis of a variety of diamine-CuCN complexes.[1]
Sodium thiosulfate pentahydrate can be used as a sulfur source to synthesize:      
  • Thioester derivatives via one-pot two-step reactions with organic halides and aryl anhydrides.      
  • Sulfur nanoparticles using F. benghalensis leaf extract which acts as a reducing and capping agent.      
  • Unsymmetrical heteroaryl thioethers via multicomponent reaction with heteroaryl chlorides and alcohols.

It can also be used in the fabrication of microencapsulated phase change materials for thermal energy storage applications.

Características y beneficios

Na2S2O3 5H2O is a low toxic and odorless reagent that can be easily used in large-scale operations.

Código de clase de almacenamiento

13 - Non Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
MKCX0705
0000421133
MKCW5730
MKCW3077
MKCV5080

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Sodium thiosulfate pentahydrate: a redetermination by neutron diffraction.
Lisensky GC and Levy HA.
Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials, 34(6), 1975-1977 (1978)
Nuclear magnetic resonance in sodium thiosulfate pentahydrate.
Murty CRK and El Saffar ZM.
Acta Crystallographica, 15(6), 536-538 (1962)
Fingerprint imaging by scanning electrochemical microscopy.
Zhang M and Girault HH.
Electrochemical Communications, 9(7), 1778-1782 (2007)
Fred B. Stocker et al.
Inorganic chemistry, 38(5), 984-991 (2001-10-24)
A new synthetic procedure developed recently in our laboratories has made possible the synthesis of variety of new complexes of CuCN with diamines. Synthesis was effected by adding the ligand to a solution of CuCN in aqueous sodium thiosulfate. This
Fengbo Xie et al.
The Analyst, 137(6), 1343-1350 (2012-01-05)
Nephrotoxicity is one of the major concerns for anticancer drug safety because most drugs are metabolized and excreted by the kidneys. Convenient tools able to perform rapid in vitro cytotoxicity analysis and identify drug side effects in kidney cells during
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Questions

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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