Molekula
Thiosulfate d'ammonium
Ammonium thiosulfate
Certifié ISO 9001:2015 & ISO 14001:2015 · Fournisseur pour laboratoires et industries depuis 2000 · Certificat d’Analyse (CoA) pour chaque lot
Ammonium thiosulfate is an inorganic compound primarily used as a photographic fixing agent, in metal processing for cyanide detoxification, and as a reducing agent in chemical synthesis. It appears as a white to off-white crystalline solid, highly soluble in water. Catalogue details: CAS 7783-18-8, molecular formula (NH₄)₂S₂O₃, molecular weight 148.21 g/mol, storable at ambient conditions with no signal word classification. Molekula supplies ammonium thiosulfate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Aperçu
Ammonium thiosulfate is an inorganic compound primarily used as a photographic fixing agent, in metal processing for cyanide detoxification, and as a reducing agent in chemical synthesis. It appears as a white to off-white crystalline solid, highly soluble in water. Catalogue details: CAS 7783-18-8, molecular formula (NH₄)₂S₂O₃, molecular weight 148.21 g/mol, storable at ambient conditions with no signal word classification. Molekula supplies ammonium thiosulfate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Prix et formats de conditionnement
Spécifications
| Property | Value |
|---|---|
| Appearance | Clear colourless liquid |
| Density | 1.320 - 1.335 |
| Colour (Pt-Co) | ≤15 |
| pH | 7.5 - 9.0 |
| Assay | 58.0 - 60.0% |
| Residue on Ignition | ≤0.1% |
| Insoluble Matter | ≤0.2% |
| Heavy Metals (Pb) | ≤0.01% |
| Alkalinity | 0.5 - 1.5% |
| Sulfide | ≤0.0002% |
| Iron (Fe) | ≤0.00025% |
| Sulfite | ≤1.0% |
Stockage et manipulation
| Property | Value |
|---|---|
| Température de stockage | Ambient |
| Acidité | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 29336208 |
| Numéro CAS | 7783-18-8 |
| Formule moléculaire | (NH4)2S2O3 |
| Masse moléculaire | 148.21 |
| SMILES | [NH4+].[NH4+].[O-]S(=O)(=S)[O-] |
| Code REACH | Y110 |
| Inscrit au TSCA | Oui |
| Code HTS | 2832.30.50.00 |
| Code tarifaire | 2832300000 |
Sécurité et GHS
Informations de sécurité détaillées disponibles dans le FDS — voir les documents ci-dessous.
Documents
Fiches de données de sécurité (FDS)
Disponible en English, French, German, Italian, Russian, 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 ammonium thiosulfate commonly used for?
Ammonium thiosulfate is primarily used in photography as a fixing agent, in water treatment for detoxifying chlorine, and in the textile industry for dyeing and bleaching processes.
What is the chemical formula and molecular weight of ammonium thiosulfate?
The chemical formula is **(NH₄)₂S₂O₃**, and the molecular weight is **148.21 g/mol**.
How should ammonium thiosulfate be stored?
Store in a cool, dry place at **ambient temperature**, away from moisture and incompatible substances.
What grades or purities of ammonium thiosulfate does Molekula supply?
Molekula supplies **technical-grade ammonium thiosulfate** suitable for industrial applications.
Can Molekula supply ammonium thiosulfate in bulk quantities?
Yes, we offer **bulk packaging options** (e.g., 25 kg drums, 1 MT big bags) for large-scale industrial needs.
What documentation comes with an order of ammonium thiosulfate?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a packing list.
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