Molekula
Thiosulfate de potassium
Potassium thiosulfate
Certifié ISO 9001:2015 & ISO 14001:2015 · Fournisseur pour laboratoires et industries depuis 2000 · Certificat d’Analyse (CoA) pour chaque lot
Potassium thiosulfate is an inorganic compound with the chemical formula K2O3S2, primarily used as a reducing agent, antichlor in water treatment, and in photography for fixing developed films. It’s also employed in chemical analysis, gold extraction, and as a food additive (E227) to prevent discoloration. This chemical has a CAS number of 10294-66-3, a molecular weight of 190.3248, and requires ambient storage conditions. It carries no signal word under standard hazard classifications. Molekula supplies potassium thiosulfate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Aperçu
Potassium thiosulfate is an inorganic compound with the chemical formula K2O3S2, primarily used as a reducing agent, antichlor in water treatment, and in photography for fixing developed films. It’s also employed in chemical analysis, gold extraction, and as a food additive (E227) to prevent discoloration. This chemical has a CAS number of 10294-66-3, a molecular weight of 190.3248, and requires ambient storage conditions. It carries no signal word under standard hazard classifications. Molekula supplies potassium thiosulfate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Prix et formats de conditionnement
Spécifications
| Property | Value |
|---|---|
| Appearance | White crystal powder |
| Water | ≤8.5% |
| Assay | ≥98% |
| Iron (Fe) | ≤40ppm |
| Total Potassium Oxide (K2O) | ≥48% |
| Sulphur (S) | ≥30.5% |
Stockage et manipulation
| Property | Value |
|---|---|
| Température de stockage | Ambient |
| Acidité | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90022936 |
| Numéro CAS | 10294-66-3 |
| Formule moléculaire | K2O3S2 |
| Masse moléculaire | 190.3248 |
| SMILES | [K].O=S(=O)(O)S |
| Code REACH | Y113 |
| Inscrit au TSCA | Oui |
| Code HTS | 28323050 |
| Code tarifaire | 2832300000 |
Sécurité et GHS
-
Health Hazard
GHS07
Déclarations de danger
- H315 Provoque une irritation cutanée.
- H319 Provoque une sévère irritation des yeux.
Déclarations de précaution
- P280 Porter des gants de protection/des vêtements de protection/un équipement de protection des yeux/du visage/une protection auditive/...
- P302+352 EN CAS DE CONTACT AVEC LA PEAU : laver abondamment à l'eau/...
- P305+351+338 EN CAS DE CONTACT AVEC LES YEUX : rincer avec précaution à l'eau pendant plusieurs minutes. Enlever les lentilles de contact si la victime en porte et si elles peuvent être facilement enlevées. Continuer à rincer.
Documents
Fiches de données de sécurité (FDS)
Disponible en English, French, German, Italian, Spanish.
Certificat d'analyse (CoA) par lot
Saisissez un numéro de lot ou de série pour récupérer le certificat d'analyse correspondant à ce lot spécifique. Nous pouvons en générer un à partir des données de spécification si aucun PDF n'est disponible.
Synonymes
Aucun autre nom enregistré pour ce produit.
Questions fréquentes
What is potassium thiosulfate commonly used for?
Potassium thiosulfate is primarily used in photography as a fixer to remove unexposed silver halide from photographic emulsions, as well as in water treatment, chemical analysis, and as a reducing agent in various industrial processes.
What is the chemical formula and molecular weight of potassium thiosulfate?
The chemical formula is **K₂O₃S₂** (or **K₂S₂O₃**), and the molecular weight is **190.3248 g/mol**.
How should potassium thiosulfate be stored?
Store at **ambient temperature** in a cool, dry place, away from incompatible substances like strong oxidizers. Ensure containers are tightly sealed.
What grades of potassium thiosulfate does Molekula supply?
Molekula supplies **technical grade** potassium thiosulfate, suitable for industrial and laboratory applications requiring high purity and consistency.
Can Molekula supply potassium thiosulfate in bulk quantities?
Yes, Molekula can provide potassium thiosulfate in **bulk quantities** tailored to your specific requirements—please contact us for pricing and availability.
What documentation comes with a potassium thiosulfate order?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a packing list detailing product specifications and batch information.
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