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Thiosulfate de sodium pentahydraté, 99,5 - 101,0 %, ACS, Thermo Scientific Chemicals

Code produit. 11382468
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Quantité:
500 g
2 kg
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Les retours ne sont pas autorisés pour ce produit. Afficher la politique du retour.

Taux maximal d’impuretés : Matière insoluble 0,005 %, pH d’une solution à 5 % : 6,0-8,4 à25°, composés azotés (tel que le N) 0,002 %, sulfate et sulfure (tel que le SO4) 0,1 %, sulfure P.T. (Limite d’environ 1 ppm)

Sodium thiosulfate pentahydrate is used as an analytical reagent in laboratories. It is used in photographic processing and in gold extraction. Its alkylated derivatives, S-alkylthiosulfonates, are known as Bunte salts. It is involved in the preparation of thioglycolic acid. Furthermore, it is used to dechlorinate tap water, for removing free bromine from solutions and to check the pH of bleach solutions with liquid indicators. Other uses include tanning of leather; as an active component in hand warmers and chemical heating pads and as an anionic surfactant to aid in the dispersion of pharmaceutical preparations.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

TRUSTED_SUSTAINABILITY

Identifiants chimiques

CAS 10102-17-7
Formule moléculaire H10Na2O8S2
Poids moléculaire (g/mol) 248.172
Numéro MDL MFCD00149186
Clé InChI PODWXQQNRWNDGD-UHFFFAOYSA-L
Synonyme sodium thiosulfate pentahydrate, ametox, sodium thiosulfate, pentahydrate, antichlor, tinver, disodium thiosulfate pentahydrate, unii-hx1032v43m, ccris 3952, thiosulfuric acid, disodium salt, pentahydrate, sodium hyposulfite pentahydrate
CID PubChem 61475
ChEBI CHEBI:32150
Nom IUPAC disodium ; dioxido-oxo-sultanylidène-$l^6-sulfane ; pentahydraté
SMILES O.O.O.O.O.[O-]S(=O)(=S)[O-].[Na+].[Na+]

Spécification

Point d’ébullition 100°C-5H{2}O
Nom chimique ou matériau Sodium thiosulfate pentahydrate
Point de fusion 48°C
Note relative au nom For ACS analysis
Couleur Incolore
Forme physique Cristalline
Quantité 2 kg
Plage de pourcentage du dosage 99.5-101.0%
Informations sur la solubilité Soluble in water and ammonia. Insoluble in alcohol and organic solvents.
Poids de la formule 248.17 (158.10 Anhydrous)
Qualité ACS
Odeur Odorless
Aspect Colorless crystalline
Densité 1.69
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RUO – Research Use Only

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