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217247

Sigma-Aldrich

Sodium thiosulfate pentahydrate

ACS reagent, ≥99.5%

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About This Item

Formule linéaire :
Na2S2O3 · 5H2O
Numéro CAS:
10102-17-7
Poids moléculaire :
248.18
Numéro CE :
231-867-5
Numéro MDL:
MFCD00149186
Code UNSPSC :
12352302
ID de substance PubChem :
329752198
Nomenclature NACRES :
NA.21
Essai:
≥99.5%
Qualité:
ACS reagent
Forme:
crystalline powder
crystals
pellets
Solubilité:
water: soluble(lit.)
Le tarif et la disponibilité ne sont pas disponibles actuellement.

Qualité

ACS reagent

Niveau de qualité

200

Agence

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

Essai

≥99.5%

Forme

crystalline powder
crystals
pellets

Impuretés

≤0.002% N compounds
≤0.005% insolubles

pH

6.0-8.4 (25 °C, 5%)

Solubilité

water: soluble(lit.)

Traces d'anions

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

Traces de cations

N: ≤0.002%

Chaîne 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

Clé InChI

PODWXQQNRWNDGD-UHFFFAOYSA-L

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Catégories apparentées

Description générale

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

Application

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.

Caractéristiques et avantages

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

Code de la classe de stockage

13 - Non Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

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Certificats d'analyse (COA)

Lot/Batch Number
MKCX0705
0000421133
MKCW5730
MKCW3077
MKCV5080

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

Fingerprint imaging by scanning electrochemical microscopy.
Zhang M and Girault HH.
Electrochemical Communications, 9(7), 1778-1782 (2007)
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)
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
Nuclear magnetic resonance in sodium thiosulfate pentahydrate.
Murty CRK and El Saffar ZM.
Acta Crystallographica, 15(6), 536-538 (1962)
Melani Sooriyaarachchi et al.
Metallomics : integrated biometal science, 5(3), 197-207 (2013-02-28)
Cis-Platin (CP) is a remarkably effective Pt-based anticancer drug, but it also exhibits severe toxic side-effects, including nephrotoxicity and ototoxicity. Previous studies conducted with mammalian model organisms have clearly demonstrated that the intravenous administration of N-acetyl-L-cysteine (NAC) or sodium thiosulfate
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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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